ref: 50dd3eb62c55d705ddc7b0f98658e9603c1dcc92
parent: c7e2bd62987ba5e4f8c74feed9175e07bb99ff22
author: Kaustubh Raste <kaustubh.raste@imgtec.com>
date: Mon Jan 9 12:21:09 EST 2017
Fix mips dspr2 idct32x32 functions for large coefficient input Change-Id: If9da7099f226a27a09cc9e2899eb66a1158909d2
--- a/vpx_dsp/mips/itrans32_cols_dspr2.c
+++ b/vpx_dsp/mips/itrans32_cols_dspr2.c
@@ -14,24 +14,24 @@
#if HAVE_DSPR2
void vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride) {- int16_t step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;
- int16_t step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;
- int16_t step1_14, step1_15, step1_16, step1_17, step1_18, step1_19;
- int16_t step1_20, step1_21, step1_22, step1_23, step1_24, step1_25, step1_26;
- int16_t step1_27, step1_28, step1_29, step1_30, step1_31;
- int16_t step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;
- int16_t step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;
- int16_t step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;
- int16_t step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;
- int16_t step2_28, step2_29, step2_30, step2_31;
- int16_t step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;
- int16_t step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;
- int16_t step3_22, step3_23, step3_24, step3_25, step3_26, step3_27;
- int16_t step3_28, step3_29, step3_30, step3_31;
+ int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;
+ int step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;
+ int step1_14, step1_15, step1_16, step1_17, step1_18, step1_19, step1_20;
+ int step1_21, step1_22, step1_23, step1_24, step1_25, step1_26, step1_27;
+ int step1_28, step1_29, step1_30, step1_31;
+ int step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;
+ int step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;
+ int step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;
+ int step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;
+ int step2_28, step2_29, step2_30, step2_31;
+ int step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;
+ int step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;
+ int step3_22, step3_23, step3_24, step3_25, step3_26, step3_27, step3_28;
+ int step3_29, step3_30, step3_31;
int temp0, temp1, temp2, temp3;
int load1, load2, load3, load4;
int result1, result2;
- int i, temp21;
+ int i;
uint8_t *dest_pix, *dest_pix1;
const int const_2_power_13 = 8192;
uint8_t *cm = vpx_ff_cropTbl;
@@ -102,9 +102,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_16] "=r"(step1_16),
- [step1_17] "=r"(step1_17), [step1_30] "=r"(step1_30),
- [step1_31] "=r"(step1_31)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_16] "=&r"(step1_16), [step1_17] "=&r"(step1_17),
+ [step1_30] "=&r"(step1_30), [step1_31] "=&r"(step1_31)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_31_64] "r"(cospi_31_64), [cospi_1_64] "r"(cospi_1_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_17_64] "r"(cospi_17_64),
@@ -162,9 +162,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_18] "=r"(step1_18),
- [step1_19] "=r"(step1_19), [step1_28] "=r"(step1_28),
- [step1_29] "=r"(step1_29)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_18] "=&r"(step1_18), [step1_19] "=&r"(step1_19),
+ [step1_28] "=&r"(step1_28), [step1_29] "=&r"(step1_29)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_23_64] "r"(cospi_23_64), [cospi_9_64] "r"(cospi_9_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_7_64] "r"(cospi_7_64),
@@ -222,9 +222,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_20] "=r"(step1_20),
- [step1_21] "=r"(step1_21), [step1_26] "=r"(step1_26),
- [step1_27] "=r"(step1_27)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_20] "=&r"(step1_20), [step1_21] "=&r"(step1_21),
+ [step1_26] "=&r"(step1_26), [step1_27] "=&r"(step1_27)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_27_64] "r"(cospi_27_64), [cospi_5_64] "r"(cospi_5_64),
[cospi_11_64] "r"(cospi_11_64), [cospi_21_64] "r"(cospi_21_64),
@@ -278,9 +278,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_22] "=r"(step1_22),
- [step1_23] "=r"(step1_23), [step1_24] "=r"(step1_24),
- [step1_25] "=r"(step1_25)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_22] "=&r"(step1_22), [step1_23] "=&r"(step1_23),
+ [step1_24] "=&r"(step1_24), [step1_25] "=&r"(step1_25)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_19_64] "r"(cospi_19_64), [cospi_13_64] "r"(cospi_13_64),
[cospi_3_64] "r"(cospi_3_64), [cospi_29_64] "r"(cospi_29_64),
@@ -334,9 +334,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_8] "=r"(step2_8),
- [step2_9] "=r"(step2_9), [step2_14] "=r"(step2_14),
- [step2_15] "=r"(step2_15)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_8] "=&r"(step2_8),
+ [step2_9] "=&r"(step2_9), [step2_14] "=&r"(step2_14),
+ [step2_15] "=&r"(step2_15)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_30_64] "r"(cospi_30_64), [cospi_2_64] "r"(cospi_2_64),
[cospi_14_64] "r"(cospi_14_64), [cospi_18_64] "r"(cospi_18_64),
@@ -390,9 +390,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_10] "=r"(step2_10),
- [step2_11] "=r"(step2_11), [step2_12] "=r"(step2_12),
- [step2_13] "=r"(step2_13)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step2_10] "=&r"(step2_10), [step2_11] "=&r"(step2_11),
+ [step2_12] "=&r"(step2_12), [step2_13] "=&r"(step2_13)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_22_64] "r"(cospi_22_64), [cospi_10_64] "r"(cospi_10_64),
[cospi_6_64] "r"(cospi_6_64), [cospi_26_64] "r"(cospi_26_64),
@@ -433,11 +433,11 @@
"extp %[step3_11], $ac2, 31 \n\t"
"extp %[step3_12], $ac3, 31 \n\t"
- : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [step3_8] "=r"(step3_8),
- [step3_9] "=r"(step3_9), [step3_10] "=r"(step3_10),
- [step3_11] "=r"(step3_11), [step3_12] "=r"(step3_12),
- [step3_13] "=r"(step3_13), [step3_14] "=r"(step3_14),
- [step3_15] "=r"(step3_15)
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [step3_8] "=&r"(step3_8),
+ [step3_9] "=&r"(step3_9), [step3_10] "=&r"(step3_10),
+ [step3_11] "=&r"(step3_11), [step3_12] "=&r"(step3_12),
+ [step3_13] "=&r"(step3_13), [step3_14] "=&r"(step3_14),
+ [step3_15] "=&r"(step3_15)
: [const_2_power_13] "r"(const_2_power_13), [step2_8] "r"(step2_8),
[step2_9] "r"(step2_9), [step2_10] "r"(step2_10),
[step2_11] "r"(step2_11), [step2_12] "r"(step2_12),
@@ -444,105 +444,143 @@
[step2_13] "r"(step2_13), [step2_14] "r"(step2_14),
[step2_15] "r"(step2_15), [cospi_16_64] "r"(cospi_16_64));
- step2_18 = step1_17 - step1_18;
- step2_29 = step1_30 - step1_29;
-
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
- "msub $ac0, %[step2_18], %[cospi_8_64] \n\t"
- "madd $ac0, %[step2_29], %[cospi_24_64] \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "sub %[temp0], %[step1_17], %[step1_18] \n\t"
+ "sub %[temp1], %[step1_30], %[step1_29] \n\t"
+ "add %[step3_17], %[step1_17], %[step1_18] \n\t"
+ "add %[step3_30], %[step1_30], %[step1_29] \n\t"
+
+ "msub $ac0, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac0, %[temp1], %[cospi_24_64] \n\t"
"extp %[step3_18], $ac0, 31 \n\t"
+ "madd $ac1, %[temp0], %[cospi_24_64] \n\t"
+ "madd $ac1, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_29], $ac1, 31 \n\t"
- : [step3_18] "=r"(step3_18)
- : [const_2_power_13] "r"(const_2_power_13), [step2_18] "r"(step2_18),
- [step2_29] "r"(step2_29), [cospi_24_64] "r"(cospi_24_64),
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_18] "=&r"(step3_18), [step3_29] "=&r"(step3_29),
+ [step3_17] "=&r"(step3_17), [step3_30] "=&r"(step3_30)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_17] "r"(step1_17),
+ [step1_18] "r"(step1_18), [step1_30] "r"(step1_30),
+ [step1_29] "r"(step1_29), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = step2_18 * cospi_24_64 + step2_29 * cospi_8_64;
- step3_29 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
- step2_19 = step1_16 - step1_19;
- step2_28 = step1_31 - step1_28;
-
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
- "msub $ac0, %[step2_19], %[cospi_8_64] \n\t"
- "madd $ac0, %[step2_28], %[cospi_24_64] \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "sub %[temp0], %[step1_16], %[step1_19] \n\t"
+ "sub %[temp1], %[step1_31], %[step1_28] \n\t"
+ "add %[step3_16], %[step1_16], %[step1_19] \n\t"
+ "add %[step3_31], %[step1_31], %[step1_28] \n\t"
+
+ "msub $ac0, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac0, %[temp1], %[cospi_24_64] \n\t"
"extp %[step3_19], $ac0, 31 \n\t"
+ "madd $ac1, %[temp0], %[cospi_24_64] \n\t"
+ "madd $ac1, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_28], $ac1, 31 \n\t"
- : [step3_19] "=r"(step3_19)
- : [const_2_power_13] "r"(const_2_power_13), [step2_19] "r"(step2_19),
- [step2_28] "r"(step2_28), [cospi_24_64] "r"(cospi_24_64),
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_16] "=&r"(step3_16), [step3_31] "=&r"(step3_31),
+ [step3_19] "=&r"(step3_19), [step3_28] "=&r"(step3_28)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_16] "r"(step1_16),
+ [step1_19] "r"(step1_19), [step1_31] "r"(step1_31),
+ [step1_28] "r"(step1_28), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = step2_19 * cospi_24_64 + step2_28 * cospi_8_64;
- step3_28 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
- step3_16 = step1_16 + step1_19;
- step3_17 = step1_17 + step1_18;
- step3_30 = step1_29 + step1_30;
- step3_31 = step1_28 + step1_31;
-
- step2_20 = step1_23 - step1_20;
- step2_27 = step1_24 - step1_27;
-
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
- "msub $ac0, %[step2_20], %[cospi_24_64] \n\t"
- "msub $ac0, %[step2_27], %[cospi_8_64] \n\t"
- "extp %[step3_20], $ac0, 31 \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "sub %[temp0], %[step1_23], %[step1_20] \n\t"
+ "sub %[temp1], %[step1_24], %[step1_27] \n\t"
+ "add %[step3_23], %[step1_23], %[step1_20] \n\t"
+ "add %[step3_24], %[step1_24], %[step1_27] \n\t"
- : [step3_20] "=r"(step3_20)
- : [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
- [step2_27] "r"(step2_27), [cospi_24_64] "r"(cospi_24_64),
+ "msub $ac0, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac0, %[temp1], %[cospi_24_64] \n\t"
+ "extp %[step3_27], $ac0, 31 \n\t"
+ "msub $ac1, %[temp0], %[cospi_24_64] \n\t"
+ "msub $ac1, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_20], $ac1, 31 \n\t"
+
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_23] "=&r"(step3_23), [step3_24] "=&r"(step3_24),
+ [step3_20] "=&r"(step3_20), [step3_27] "=&r"(step3_27)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_23] "r"(step1_23),
+ [step1_20] "r"(step1_20), [step1_24] "r"(step1_24),
+ [step1_27] "r"(step1_27), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = -step2_20 * cospi_8_64 + step2_27 * cospi_24_64;
- step3_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
- step2_21 = step1_22 - step1_21;
- step2_26 = step1_25 - step1_26;
-
__asm__ __volatile__(
+ "mtlo %[const_2_power_13], $ac0 \n\t"
+ "mthi $zero, $ac0 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
- "msub $ac1, %[step2_21], %[cospi_24_64] \n\t"
- "msub $ac1, %[step2_26], %[cospi_8_64] \n\t"
- "extp %[step3_21], $ac1, 31 \n\t"
+ "sub %[temp0], %[step1_22], %[step1_21] \n\t"
+ "sub %[temp1], %[step1_25], %[step1_26] \n\t"
+ "add %[step3_22], %[step1_22], %[step1_21] \n\t"
+ "add %[step3_25], %[step1_25], %[step1_26] \n\t"
- : [step3_21] "=r"(step3_21)
- : [const_2_power_13] "r"(const_2_power_13), [step2_21] "r"(step2_21),
- [step2_26] "r"(step2_26), [cospi_24_64] "r"(cospi_24_64),
+ "msub $ac0, %[temp0], %[cospi_24_64] \n\t"
+ "msub $ac0, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_21], $ac0, 31 \n\t"
+ "msub $ac1, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac1, %[temp1], %[cospi_24_64] \n\t"
+ "extp %[step3_26], $ac1, 31 \n\t"
+
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_22] "=&r"(step3_22), [step3_25] "=&r"(step3_25),
+ [step3_21] "=&r"(step3_21), [step3_26] "=&r"(step3_26)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_22] "r"(step1_22),
+ [step1_21] "r"(step1_21), [step1_25] "r"(step1_25),
+ [step1_26] "r"(step1_26), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = -step2_21 * cospi_8_64 + step2_26 * cospi_24_64;
- step3_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ __asm__ __volatile__(
+ "add %[step2_16], %[step3_16], %[step3_23] \n\t"
+ "add %[step2_17], %[step3_17], %[step3_22] \n\t"
+ "add %[step2_18], %[step3_18], %[step3_21] \n\t"
+ "add %[step2_19], %[step3_19], %[step3_20] \n\t"
+ "sub %[step2_20], %[step3_19], %[step3_20] \n\t"
+ "sub %[step2_21], %[step3_18], %[step3_21] \n\t"
+ "sub %[step2_22], %[step3_17], %[step3_22] \n\t"
+ "sub %[step2_23], %[step3_16], %[step3_23] \n\t"
- step3_22 = step1_21 + step1_22;
- step3_23 = step1_20 + step1_23;
- step3_24 = step1_24 + step1_27;
- step3_25 = step1_25 + step1_26;
+ : [step2_16] "=&r"(step2_16), [step2_17] "=&r"(step2_17),
+ [step2_18] "=&r"(step2_18), [step2_19] "=&r"(step2_19),
+ [step2_20] "=&r"(step2_20), [step2_21] "=&r"(step2_21),
+ [step2_22] "=&r"(step2_22), [step2_23] "=&r"(step2_23)
+ : [step3_16] "r"(step3_16), [step3_23] "r"(step3_23),
+ [step3_17] "r"(step3_17), [step3_22] "r"(step3_22),
+ [step3_18] "r"(step3_18), [step3_21] "r"(step3_21),
+ [step3_19] "r"(step3_19), [step3_20] "r"(step3_20));
- step2_16 = step3_16 + step3_23;
- step2_17 = step3_17 + step3_22;
- step2_18 = step3_18 + step3_21;
- step2_19 = step3_19 + step3_20;
- step2_20 = step3_19 - step3_20;
- step2_21 = step3_18 - step3_21;
- step2_22 = step3_17 - step3_22;
- step2_23 = step3_16 - step3_23;
+ __asm__ __volatile__(
+ "sub %[step2_24], %[step3_31], %[step3_24] \n\t"
+ "sub %[step2_25], %[step3_30], %[step3_25] \n\t"
+ "sub %[step2_26], %[step3_29], %[step3_26] \n\t"
+ "sub %[step2_27], %[step3_28], %[step3_27] \n\t"
+ "add %[step2_28], %[step3_28], %[step3_27] \n\t"
+ "add %[step2_29], %[step3_29], %[step3_26] \n\t"
+ "add %[step2_30], %[step3_30], %[step3_25] \n\t"
+ "add %[step2_31], %[step3_31], %[step3_24] \n\t"
- step2_24 = step3_31 - step3_24;
- step2_25 = step3_30 - step3_25;
- step2_26 = step3_29 - step3_26;
- step2_27 = step3_28 - step3_27;
- step2_28 = step3_28 + step3_27;
- step2_29 = step3_29 + step3_26;
- step2_30 = step3_30 + step3_25;
- step2_31 = step3_31 + step3_24;
+ : [step2_24] "=&r"(step2_24), [step2_28] "=&r"(step2_28),
+ [step2_25] "=&r"(step2_25), [step2_29] "=&r"(step2_29),
+ [step2_26] "=&r"(step2_26), [step2_30] "=&r"(step2_30),
+ [step2_27] "=&r"(step2_27), [step2_31] "=&r"(step2_31)
+ : [step3_31] "r"(step3_31), [step3_24] "r"(step3_24),
+ [step3_30] "r"(step3_30), [step3_25] "r"(step3_25),
+ [step3_29] "r"(step3_29), [step3_26] "r"(step3_26),
+ [step3_28] "r"(step3_28), [step3_27] "r"(step3_27));
__asm__ __volatile__(
"lh %[load1], 0(%[input]) \n\t"
@@ -579,9 +617,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [result1] "=&r"(result1),
[result2] "=&r"(result2), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_0] "=r"(step1_0),
- [step1_1] "=r"(step1_1), [step1_2] "=r"(step1_2),
- [step1_3] "=r"(step1_3)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_0] "=&r"(step1_0),
+ [step1_1] "=&r"(step1_1), [step1_2] "=&r"(step1_2),
+ [step1_3] "=&r"(step1_3)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_24_64] "r"(cospi_24_64), [cospi_8_64] "r"(cospi_8_64),
[cospi_16_64] "r"(cospi_16_64));
@@ -637,96 +675,137 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_4] "=r"(step1_4),
- [step1_5] "=r"(step1_5), [step1_6] "=r"(step1_6),
- [step1_7] "=r"(step1_7)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_4] "=&r"(step1_4),
+ [step1_5] "=&r"(step1_5), [step1_6] "=&r"(step1_6),
+ [step1_7] "=&r"(step1_7)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_20_64] "r"(cospi_20_64), [cospi_12_64] "r"(cospi_12_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_28_64] "r"(cospi_28_64),
[cospi_16_64] "r"(cospi_16_64));
- step2_0 = step1_0 + step1_7;
- step2_1 = step1_1 + step1_6;
- step2_2 = step1_2 + step1_5;
- step2_3 = step1_3 + step1_4;
- step2_4 = step1_3 - step1_4;
- step2_5 = step1_2 - step1_5;
- step2_6 = step1_1 - step1_6;
- step2_7 = step1_0 - step1_7;
+ __asm__ __volatile__(
+ "add %[step2_0], %[step1_0], %[step1_7] \n\t"
+ "add %[step2_1], %[step1_1], %[step1_6] \n\t"
+ "add %[step2_2], %[step1_2], %[step1_5] \n\t"
+ "add %[step2_3], %[step1_3], %[step1_4] \n\t"
+ "sub %[step2_4], %[step1_3], %[step1_4] \n\t"
+ "sub %[step2_5], %[step1_2], %[step1_5] \n\t"
+ "sub %[step2_6], %[step1_1], %[step1_6] \n\t"
+ "sub %[step2_7], %[step1_0], %[step1_7] \n\t"
- // stage 7
- step1_0 = step2_0 + step3_15;
- step1_1 = step2_1 + step3_14;
- step1_2 = step2_2 + step3_13;
- step1_3 = step2_3 + step3_12;
- step1_4 = step2_4 + step3_11;
- step1_5 = step2_5 + step3_10;
- step1_6 = step2_6 + step3_9;
- step1_7 = step2_7 + step3_8;
- step1_8 = step2_7 - step3_8;
- step1_9 = step2_6 - step3_9;
- step1_10 = step2_5 - step3_10;
- step1_11 = step2_4 - step3_11;
- step1_12 = step2_3 - step3_12;
- step1_13 = step2_2 - step3_13;
- step1_14 = step2_1 - step3_14;
- step1_15 = step2_0 - step3_15;
+ : [step2_0] "=&r"(step2_0), [step2_4] "=&r"(step2_4),
+ [step2_1] "=&r"(step2_1), [step2_5] "=&r"(step2_5),
+ [step2_2] "=&r"(step2_2), [step2_6] "=&r"(step2_6),
+ [step2_3] "=&r"(step2_3), [step2_7] "=&r"(step2_7)
+ : [step1_0] "r"(step1_0), [step1_7] "r"(step1_7),
+ [step1_1] "r"(step1_1), [step1_6] "r"(step1_6),
+ [step1_2] "r"(step1_2), [step1_5] "r"(step1_5),
+ [step1_3] "r"(step1_3), [step1_4] "r"(step1_4));
+ // stage 7
__asm__ __volatile__(
- "sub %[temp0], %[step2_27], %[step2_20] \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
- "extp %[step1_20], $ac0, 31 \n\t"
+ "add %[step1_0], %[step2_0], %[step3_15] \n\t"
+ "add %[step1_1], %[step2_1], %[step3_14] \n\t"
+ "add %[step1_2], %[step2_2], %[step3_13] \n\t"
+ "add %[step1_3], %[step2_3], %[step3_12] \n\t"
+ "sub %[step1_12], %[step2_3], %[step3_12] \n\t"
+ "sub %[step1_13], %[step2_2], %[step3_13] \n\t"
+ "sub %[step1_14], %[step2_1], %[step3_14] \n\t"
+ "sub %[step1_15], %[step2_0], %[step3_15] \n\t"
- : [temp0] "=&r"(temp0), [step1_20] "=r"(step1_20)
- : [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
- [step2_27] "r"(step2_27), [cospi_16_64] "r"(cospi_16_64));
+ : [step1_0] "=&r"(step1_0), [step1_12] "=&r"(step1_12),
+ [step1_1] "=&r"(step1_1), [step1_13] "=&r"(step1_13),
+ [step1_2] "=&r"(step1_2), [step1_14] "=&r"(step1_14),
+ [step1_3] "=&r"(step1_3), [step1_15] "=&r"(step1_15)
+ : [step2_0] "r"(step2_0), [step3_15] "r"(step3_15),
+ [step2_1] "r"(step2_1), [step3_14] "r"(step3_14),
+ [step2_2] "r"(step2_2), [step3_13] "r"(step3_13),
+ [step2_3] "r"(step2_3), [step3_12] "r"(step3_12));
- temp21 = (step2_20 + step2_27) * cospi_16_64;
- step1_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
__asm__ __volatile__(
- "sub %[temp0], %[step2_26], %[step2_21] \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
- "extp %[step1_21], $ac0, 31 \n\t"
+ "add %[step1_4], %[step2_4], %[step3_11] \n\t"
+ "add %[step1_5], %[step2_5], %[step3_10] \n\t"
+ "add %[step1_6], %[step2_6], %[step3_9] \n\t"
+ "add %[step1_7], %[step2_7], %[step3_8] \n\t"
+ "sub %[step1_8], %[step2_7], %[step3_8] \n\t"
+ "sub %[step1_9], %[step2_6], %[step3_9] \n\t"
+ "sub %[step1_10], %[step2_5], %[step3_10] \n\t"
+ "sub %[step1_11], %[step2_4], %[step3_11] \n\t"
- : [temp0] "=&r"(temp0), [step1_21] "=r"(step1_21)
- : [const_2_power_13] "r"(const_2_power_13), [step2_26] "r"(step2_26),
- [step2_21] "r"(step2_21), [cospi_16_64] "r"(cospi_16_64));
+ : [step1_4] "=&r"(step1_4), [step1_8] "=&r"(step1_8),
+ [step1_5] "=&r"(step1_5), [step1_9] "=&r"(step1_9),
+ [step1_6] "=&r"(step1_6), [step1_10] "=&r"(step1_10),
+ [step1_7] "=&r"(step1_7), [step1_11] "=&r"(step1_11)
+ : [step2_4] "r"(step2_4), [step3_11] "r"(step3_11),
+ [step2_5] "r"(step2_5), [step3_10] "r"(step3_10),
+ [step2_6] "r"(step2_6), [step3_9] "r"(step3_9),
+ [step2_7] "r"(step2_7), [step3_8] "r"(step3_8));
- temp21 = (step2_21 + step2_26) * cospi_16_64;
- step1_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
__asm__ __volatile__(
- "sub %[temp0], %[step2_25], %[step2_22] \n\t"
+ "sub %[temp0], %[step2_27], %[step2_20] \n\t"
+ "add %[temp1], %[step2_27], %[step2_20] \n\t"
+ "sub %[temp2], %[step2_26], %[step2_21] \n\t"
+ "add %[temp3], %[step2_26], %[step2_21] \n\t"
+
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "mtlo %[const_2_power_13], $ac2 \n\t"
+ "mthi $zero, $ac2 \n\t"
+ "mtlo %[const_2_power_13], $ac3 \n\t"
+ "mthi $zero, $ac3 \n\t"
+
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
- "extp %[step1_22], $ac0, 31 \n\t"
+ "madd $ac1, %[temp1], %[cospi_16_64] \n\t"
+ "madd $ac2, %[temp2], %[cospi_16_64] \n\t"
+ "madd $ac3, %[temp3], %[cospi_16_64] \n\t"
- : [temp0] "=&r"(temp0), [step1_22] "=r"(step1_22)
- : [const_2_power_13] "r"(const_2_power_13), [step2_25] "r"(step2_25),
- [step2_22] "r"(step2_22), [cospi_16_64] "r"(cospi_16_64));
+ "extp %[step1_20], $ac0, 31 \n\t"
+ "extp %[step1_27], $ac1, 31 \n\t"
+ "extp %[step1_21], $ac2, 31 \n\t"
+ "extp %[step1_26], $ac3, 31 \n\t"
- temp21 = (step2_22 + step2_25) * cospi_16_64;
- step1_25 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
+ [temp3] "=&r"(temp3), [step1_20] "=&r"(step1_20),
+ [step1_27] "=&r"(step1_27), [step1_21] "=&r"(step1_21),
+ [step1_26] "=&r"(step1_26)
+ : [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
+ [step2_27] "r"(step2_27), [step2_21] "r"(step2_21),
+ [step2_26] "r"(step2_26), [cospi_16_64] "r"(cospi_16_64));
__asm__ __volatile__(
- "sub %[temp0], %[step2_24], %[step2_23] \n\t"
+ "sub %[temp0], %[step2_25], %[step2_22] \n\t"
+ "add %[temp1], %[step2_25], %[step2_22] \n\t"
+ "sub %[temp2], %[step2_24], %[step2_23] \n\t"
+ "add %[temp3], %[step2_24], %[step2_23] \n\t"
+
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "mtlo %[const_2_power_13], $ac2 \n\t"
+ "mthi $zero, $ac2 \n\t"
+ "mtlo %[const_2_power_13], $ac3 \n\t"
+ "mthi $zero, $ac3 \n\t"
+
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
- "extp %[step1_23], $ac0, 31 \n\t"
+ "madd $ac1, %[temp1], %[cospi_16_64] \n\t"
+ "madd $ac2, %[temp2], %[cospi_16_64] \n\t"
+ "madd $ac3, %[temp3], %[cospi_16_64] \n\t"
- : [temp0] "=&r"(temp0), [step1_23] "=r"(step1_23)
- : [const_2_power_13] "r"(const_2_power_13), [step2_24] "r"(step2_24),
- [step2_23] "r"(step2_23), [cospi_16_64] "r"(cospi_16_64));
+ "extp %[step1_22], $ac0, 31 \n\t"
+ "extp %[step1_25], $ac1, 31 \n\t"
+ "extp %[step1_23], $ac2, 31 \n\t"
+ "extp %[step1_24], $ac3, 31 \n\t"
- temp21 = (step2_23 + step2_24) * cospi_16_64;
- step1_24 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
+ [temp3] "=&r"(temp3), [step1_22] "=&r"(step1_22),
+ [step1_25] "=&r"(step1_25), [step1_23] "=&r"(step1_23),
+ [step1_24] "=&r"(step1_24)
+ : [const_2_power_13] "r"(const_2_power_13), [step2_22] "r"(step2_22),
+ [step2_25] "r"(step2_25), [step2_23] "r"(step2_23),
+ [step2_24] "r"(step2_24), [cospi_16_64] "r"(cospi_16_64));
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix]) \n\t"
--- a/vpx_dsp/mips/itrans32_dspr2.c
+++ b/vpx_dsp/mips/itrans32_dspr2.c
@@ -18,24 +18,23 @@
#if HAVE_DSPR2
static void idct32_rows_dspr2(const int16_t *input, int16_t *output,
uint32_t no_rows) {- int16_t step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;
- int16_t step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;
- int16_t step1_14, step1_15, step1_16, step1_17, step1_18, step1_19, step1_20;
- int16_t step1_21, step1_22, step1_23, step1_24, step1_25, step1_26, step1_27;
- int16_t step1_28, step1_29, step1_30, step1_31;
- int16_t step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;
- int16_t step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;
- int16_t step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;
- int16_t step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;
- int16_t step2_28, step2_29, step2_30, step2_31;
- int16_t step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;
- int16_t step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;
- int16_t step3_22, step3_23, step3_24, step3_25, step3_26, step3_27, step3_28;
- int16_t step3_29, step3_30, step3_31;
+ int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;
+ int step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;
+ int step1_14, step1_15, step1_16, step1_17, step1_18, step1_19, step1_20;
+ int step1_21, step1_22, step1_23, step1_24, step1_25, step1_26, step1_27;
+ int step1_28, step1_29, step1_30, step1_31;
+ int step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;
+ int step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;
+ int step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;
+ int step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;
+ int step2_28, step2_29, step2_30, step2_31;
+ int step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;
+ int step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;
+ int step3_22, step3_23, step3_24, step3_25, step3_26, step3_27, step3_28;
+ int step3_29, step3_30, step3_31;
int temp0, temp1, temp2, temp3;
int load1, load2, load3, load4;
int result1, result2;
- int temp21;
int i;
const int const_2_power_13 = 8192;
const int32_t *input_int;
@@ -147,9 +146,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_16] "=r"(step1_16),
- [step1_17] "=r"(step1_17), [step1_30] "=r"(step1_30),
- [step1_31] "=r"(step1_31)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_16] "=&r"(step1_16), [step1_17] "=&r"(step1_17),
+ [step1_30] "=&r"(step1_30), [step1_31] "=&r"(step1_31)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_31_64] "r"(cospi_31_64), [cospi_1_64] "r"(cospi_1_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_17_64] "r"(cospi_17_64),
@@ -207,9 +206,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_18] "=r"(step1_18),
- [step1_19] "=r"(step1_19), [step1_28] "=r"(step1_28),
- [step1_29] "=r"(step1_29)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_18] "=&r"(step1_18), [step1_19] "=&r"(step1_19),
+ [step1_28] "=&r"(step1_28), [step1_29] "=&r"(step1_29)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_23_64] "r"(cospi_23_64), [cospi_9_64] "r"(cospi_9_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_7_64] "r"(cospi_7_64),
@@ -267,9 +266,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_20] "=r"(step1_20),
- [step1_21] "=r"(step1_21), [step1_26] "=r"(step1_26),
- [step1_27] "=r"(step1_27)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_20] "=&r"(step1_20), [step1_21] "=&r"(step1_21),
+ [step1_26] "=&r"(step1_26), [step1_27] "=&r"(step1_27)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_27_64] "r"(cospi_27_64), [cospi_5_64] "r"(cospi_5_64),
[cospi_11_64] "r"(cospi_11_64), [cospi_21_64] "r"(cospi_21_64),
@@ -289,7 +288,6 @@
"madd $ac1, %[load1], %[cospi_19_64] \n\t"
"msub $ac1, %[load2], %[cospi_13_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
-
"madd $ac3, %[load1], %[cospi_13_64] \n\t"
"madd $ac3, %[load2], %[cospi_19_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
@@ -302,7 +300,6 @@
"madd $ac2, %[load3], %[cospi_3_64] \n\t"
"msub $ac2, %[load4], %[cospi_29_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
-
"madd $ac1, %[load3], %[cospi_29_64] \n\t"
"madd $ac1, %[load4], %[cospi_3_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
@@ -314,12 +311,10 @@
"sub %[load1], %[temp1], %[temp0] \n\t"
"sub %[load2], %[temp2], %[temp3] \n\t"
-
"msub $ac1, %[load1], %[cospi_12_64] \n\t"
"msub $ac1, %[load2], %[cospi_20_64] \n\t"
"msub $ac3, %[load1], %[cospi_20_64] \n\t"
"madd $ac3, %[load2], %[cospi_12_64] \n\t"
-
"extp %[step1_22], $ac1, 31 \n\t"
"extp %[step1_25], $ac3, 31 \n\t"
"add %[step1_23], %[temp0], %[temp1] \n\t"
@@ -327,9 +322,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_22] "=r"(step1_22),
- [step1_23] "=r"(step1_23), [step1_24] "=r"(step1_24),
- [step1_25] "=r"(step1_25)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step1_22] "=&r"(step1_22), [step1_23] "=&r"(step1_23),
+ [step1_24] "=&r"(step1_24), [step1_25] "=&r"(step1_25)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_19_64] "r"(cospi_19_64), [cospi_13_64] "r"(cospi_13_64),
[cospi_3_64] "r"(cospi_3_64), [cospi_29_64] "r"(cospi_29_64),
@@ -349,7 +344,6 @@
"madd $ac1, %[load1], %[cospi_30_64] \n\t"
"msub $ac1, %[load2], %[cospi_2_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
-
"madd $ac3, %[load1], %[cospi_2_64] \n\t"
"madd $ac3, %[load2], %[cospi_30_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
@@ -362,7 +356,6 @@
"madd $ac2, %[load3], %[cospi_14_64] \n\t"
"msub $ac2, %[load4], %[cospi_18_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
-
"madd $ac1, %[load3], %[cospi_18_64] \n\t"
"madd $ac1, %[load4], %[cospi_14_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
@@ -374,12 +367,10 @@
"sub %[load1], %[temp0], %[temp1] \n\t"
"sub %[load2], %[temp3], %[temp2] \n\t"
-
"msub $ac1, %[load1], %[cospi_8_64] \n\t"
"madd $ac1, %[load2], %[cospi_24_64] \n\t"
"madd $ac3, %[load1], %[cospi_24_64] \n\t"
"madd $ac3, %[load2], %[cospi_8_64] \n\t"
-
"extp %[step2_9], $ac1, 31 \n\t"
"extp %[step2_14], $ac3, 31 \n\t"
"add %[step2_8], %[temp0], %[temp1] \n\t"
@@ -387,9 +378,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_8] "=r"(step2_8),
- [step2_9] "=r"(step2_9), [step2_14] "=r"(step2_14),
- [step2_15] "=r"(step2_15)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_8] "=&r"(step2_8),
+ [step2_9] "=&r"(step2_9), [step2_14] "=&r"(step2_14),
+ [step2_15] "=&r"(step2_15)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_30_64] "r"(cospi_30_64), [cospi_2_64] "r"(cospi_2_64),
[cospi_14_64] "r"(cospi_14_64), [cospi_18_64] "r"(cospi_18_64),
@@ -409,7 +400,6 @@
"madd $ac1, %[load1], %[cospi_22_64] \n\t"
"msub $ac1, %[load2], %[cospi_10_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
-
"madd $ac3, %[load1], %[cospi_10_64] \n\t"
"madd $ac3, %[load2], %[cospi_22_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
@@ -422,7 +412,6 @@
"madd $ac2, %[load3], %[cospi_6_64] \n\t"
"msub $ac2, %[load4], %[cospi_26_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
-
"madd $ac1, %[load3], %[cospi_26_64] \n\t"
"madd $ac1, %[load4], %[cospi_6_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
@@ -434,12 +423,10 @@
"sub %[load1], %[temp1], %[temp0] \n\t"
"sub %[load2], %[temp2], %[temp3] \n\t"
-
"msub $ac1, %[load1], %[cospi_24_64] \n\t"
"msub $ac1, %[load2], %[cospi_8_64] \n\t"
"madd $ac3, %[load2], %[cospi_24_64] \n\t"
"msub $ac3, %[load1], %[cospi_8_64] \n\t"
-
"extp %[step2_10], $ac1, 31 \n\t"
"extp %[step2_13], $ac3, 31 \n\t"
"add %[step2_11], %[temp0], %[temp1] \n\t"
@@ -447,9 +434,9 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_10] "=r"(step2_10),
- [step2_11] "=r"(step2_11), [step2_12] "=r"(step2_12),
- [step2_13] "=r"(step2_13)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3),
+ [step2_10] "=&r"(step2_10), [step2_11] "=&r"(step2_11),
+ [step2_12] "=&r"(step2_12), [step2_13] "=&r"(step2_13)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_22_64] "r"(cospi_22_64), [cospi_10_64] "r"(cospi_10_64),
[cospi_6_64] "r"(cospi_6_64), [cospi_26_64] "r"(cospi_26_64),
@@ -462,7 +449,6 @@
"sub %[temp0], %[temp0], %[step2_9] \n\t"
"add %[temp0], %[temp0], %[step2_10] \n\t"
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
-
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"sub %[temp1], %[step2_14], %[step2_13] \n\t"
@@ -469,7 +455,6 @@
"add %[temp1], %[temp1], %[step2_9] \n\t"
"sub %[temp1], %[temp1], %[step2_10] \n\t"
"madd $ac1, %[temp1], %[cospi_16_64] \n\t"
-
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"sub %[temp0], %[step2_15], %[step2_12] \n\t"
@@ -476,7 +461,6 @@
"sub %[temp0], %[temp0], %[step2_8] \n\t"
"add %[temp0], %[temp0], %[step2_11] \n\t"
"madd $ac2, %[temp0], %[cospi_16_64] \n\t"
-
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[temp1], %[step2_15], %[step2_12] \n\t"
@@ -488,17 +472,16 @@
"add %[step3_9], %[step2_9], %[step2_10] \n\t"
"add %[step3_14], %[step2_13], %[step2_14] \n\t"
"add %[step3_15], %[step2_12], %[step2_15] \n\t"
-
"extp %[step3_10], $ac0, 31 \n\t"
"extp %[step3_13], $ac1, 31 \n\t"
"extp %[step3_11], $ac2, 31 \n\t"
"extp %[step3_12], $ac3, 31 \n\t"
- : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [step3_8] "=r"(step3_8),
- [step3_9] "=r"(step3_9), [step3_10] "=r"(step3_10),
- [step3_11] "=r"(step3_11), [step3_12] "=r"(step3_12),
- [step3_13] "=r"(step3_13), [step3_14] "=r"(step3_14),
- [step3_15] "=r"(step3_15)
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [step3_8] "=&r"(step3_8),
+ [step3_9] "=&r"(step3_9), [step3_10] "=&r"(step3_10),
+ [step3_11] "=&r"(step3_11), [step3_12] "=&r"(step3_12),
+ [step3_13] "=&r"(step3_13), [step3_14] "=&r"(step3_14),
+ [step3_15] "=&r"(step3_15)
: [const_2_power_13] "r"(const_2_power_13), [step2_8] "r"(step2_8),
[step2_9] "r"(step2_9), [step2_10] "r"(step2_10),
[step2_11] "r"(step2_11), [step2_12] "r"(step2_12),
@@ -505,105 +488,143 @@
[step2_13] "r"(step2_13), [step2_14] "r"(step2_14),
[step2_15] "r"(step2_15), [cospi_16_64] "r"(cospi_16_64));
- step2_18 = step1_17 - step1_18;
- step2_29 = step1_30 - step1_29;
-
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
- "msub $ac0, %[step2_18], %[cospi_8_64] \n\t"
- "madd $ac0, %[step2_29], %[cospi_24_64] \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "sub %[temp0], %[step1_17], %[step1_18] \n\t"
+ "sub %[temp1], %[step1_30], %[step1_29] \n\t"
+ "add %[step3_17], %[step1_17], %[step1_18] \n\t"
+ "add %[step3_30], %[step1_30], %[step1_29] \n\t"
+
+ "msub $ac0, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac0, %[temp1], %[cospi_24_64] \n\t"
"extp %[step3_18], $ac0, 31 \n\t"
+ "madd $ac1, %[temp0], %[cospi_24_64] \n\t"
+ "madd $ac1, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_29], $ac1, 31 \n\t"
- : [step3_18] "=r"(step3_18)
- : [const_2_power_13] "r"(const_2_power_13), [step2_18] "r"(step2_18),
- [step2_29] "r"(step2_29), [cospi_24_64] "r"(cospi_24_64),
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_18] "=&r"(step3_18), [step3_29] "=&r"(step3_29),
+ [step3_17] "=&r"(step3_17), [step3_30] "=&r"(step3_30)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_17] "r"(step1_17),
+ [step1_18] "r"(step1_18), [step1_30] "r"(step1_30),
+ [step1_29] "r"(step1_29), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = step2_18 * cospi_24_64 + step2_29 * cospi_8_64;
- step3_29 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
- step2_19 = step1_16 - step1_19;
- step2_28 = step1_31 - step1_28;
-
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
- "msub $ac0, %[step2_19], %[cospi_8_64] \n\t"
- "madd $ac0, %[step2_28], %[cospi_24_64] \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "sub %[temp0], %[step1_16], %[step1_19] \n\t"
+ "sub %[temp1], %[step1_31], %[step1_28] \n\t"
+ "add %[step3_16], %[step1_16], %[step1_19] \n\t"
+ "add %[step3_31], %[step1_31], %[step1_28] \n\t"
+
+ "msub $ac0, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac0, %[temp1], %[cospi_24_64] \n\t"
"extp %[step3_19], $ac0, 31 \n\t"
+ "madd $ac1, %[temp0], %[cospi_24_64] \n\t"
+ "madd $ac1, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_28], $ac1, 31 \n\t"
- : [step3_19] "=r"(step3_19)
- : [const_2_power_13] "r"(const_2_power_13), [step2_19] "r"(step2_19),
- [step2_28] "r"(step2_28), [cospi_24_64] "r"(cospi_24_64),
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_16] "=&r"(step3_16), [step3_31] "=&r"(step3_31),
+ [step3_19] "=&r"(step3_19), [step3_28] "=&r"(step3_28)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_16] "r"(step1_16),
+ [step1_19] "r"(step1_19), [step1_31] "r"(step1_31),
+ [step1_28] "r"(step1_28), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = step2_19 * cospi_24_64 + step2_28 * cospi_8_64;
- step3_28 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
- step3_16 = step1_16 + step1_19;
- step3_17 = step1_17 + step1_18;
- step3_30 = step1_29 + step1_30;
- step3_31 = step1_28 + step1_31;
-
- step2_20 = step1_23 - step1_20;
- step2_27 = step1_24 - step1_27;
-
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
- "msub $ac0, %[step2_20], %[cospi_24_64] \n\t"
- "msub $ac0, %[step2_27], %[cospi_8_64] \n\t"
- "extp %[step3_20], $ac0, 31 \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "sub %[temp0], %[step1_23], %[step1_20] \n\t"
+ "sub %[temp1], %[step1_24], %[step1_27] \n\t"
+ "add %[step3_23], %[step1_23], %[step1_20] \n\t"
+ "add %[step3_24], %[step1_24], %[step1_27] \n\t"
- : [step3_20] "=r"(step3_20)
- : [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
- [step2_27] "r"(step2_27), [cospi_24_64] "r"(cospi_24_64),
+ "msub $ac0, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac0, %[temp1], %[cospi_24_64] \n\t"
+ "extp %[step3_27], $ac0, 31 \n\t"
+ "msub $ac1, %[temp0], %[cospi_24_64] \n\t"
+ "msub $ac1, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_20], $ac1, 31 \n\t"
+
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_23] "=&r"(step3_23), [step3_24] "=&r"(step3_24),
+ [step3_20] "=&r"(step3_20), [step3_27] "=&r"(step3_27)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_23] "r"(step1_23),
+ [step1_20] "r"(step1_20), [step1_24] "r"(step1_24),
+ [step1_27] "r"(step1_27), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = -step2_20 * cospi_8_64 + step2_27 * cospi_24_64;
- step3_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
-
- step2_21 = step1_22 - step1_21;
- step2_26 = step1_25 - step1_26;
-
__asm__ __volatile__(
+ "mtlo %[const_2_power_13], $ac0 \n\t"
+ "mthi $zero, $ac0 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
- "msub $ac1, %[step2_21], %[cospi_24_64] \n\t"
- "msub $ac1, %[step2_26], %[cospi_8_64] \n\t"
- "extp %[step3_21], $ac1, 31 \n\t"
+ "sub %[temp0], %[step1_22], %[step1_21] \n\t"
+ "sub %[temp1], %[step1_25], %[step1_26] \n\t"
+ "add %[step3_22], %[step1_22], %[step1_21] \n\t"
+ "add %[step3_25], %[step1_25], %[step1_26] \n\t"
- : [step3_21] "=r"(step3_21)
- : [const_2_power_13] "r"(const_2_power_13), [step2_21] "r"(step2_21),
- [step2_26] "r"(step2_26), [cospi_24_64] "r"(cospi_24_64),
+ "msub $ac0, %[temp0], %[cospi_24_64] \n\t"
+ "msub $ac0, %[temp1], %[cospi_8_64] \n\t"
+ "extp %[step3_21], $ac0, 31 \n\t"
+ "msub $ac1, %[temp0], %[cospi_8_64] \n\t"
+ "madd $ac1, %[temp1], %[cospi_24_64] \n\t"
+ "extp %[step3_26], $ac1, 31 \n\t"
+
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
+ [step3_22] "=&r"(step3_22), [step3_25] "=&r"(step3_25),
+ [step3_21] "=&r"(step3_21), [step3_26] "=&r"(step3_26)
+ : [const_2_power_13] "r"(const_2_power_13), [step1_22] "r"(step1_22),
+ [step1_21] "r"(step1_21), [step1_25] "r"(step1_25),
+ [step1_26] "r"(step1_26), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
- temp21 = -step2_21 * cospi_8_64 + step2_26 * cospi_24_64;
- step3_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ __asm__ __volatile__(
+ "add %[step2_16], %[step3_16], %[step3_23] \n\t"
+ "add %[step2_17], %[step3_17], %[step3_22] \n\t"
+ "add %[step2_18], %[step3_18], %[step3_21] \n\t"
+ "add %[step2_19], %[step3_19], %[step3_20] \n\t"
+ "sub %[step2_20], %[step3_19], %[step3_20] \n\t"
+ "sub %[step2_21], %[step3_18], %[step3_21] \n\t"
+ "sub %[step2_22], %[step3_17], %[step3_22] \n\t"
+ "sub %[step2_23], %[step3_16], %[step3_23] \n\t"
- step3_22 = step1_21 + step1_22;
- step3_23 = step1_20 + step1_23;
- step3_24 = step1_24 + step1_27;
- step3_25 = step1_25 + step1_26;
+ : [step2_16] "=&r"(step2_16), [step2_17] "=&r"(step2_17),
+ [step2_18] "=&r"(step2_18), [step2_19] "=&r"(step2_19),
+ [step2_20] "=&r"(step2_20), [step2_21] "=&r"(step2_21),
+ [step2_22] "=&r"(step2_22), [step2_23] "=&r"(step2_23)
+ : [step3_16] "r"(step3_16), [step3_23] "r"(step3_23),
+ [step3_17] "r"(step3_17), [step3_22] "r"(step3_22),
+ [step3_18] "r"(step3_18), [step3_21] "r"(step3_21),
+ [step3_19] "r"(step3_19), [step3_20] "r"(step3_20));
- step2_16 = step3_16 + step3_23;
- step2_17 = step3_17 + step3_22;
- step2_18 = step3_18 + step3_21;
- step2_19 = step3_19 + step3_20;
- step2_20 = step3_19 - step3_20;
- step2_21 = step3_18 - step3_21;
- step2_22 = step3_17 - step3_22;
- step2_23 = step3_16 - step3_23;
+ __asm__ __volatile__(
+ "sub %[step2_24], %[step3_31], %[step3_24] \n\t"
+ "sub %[step2_25], %[step3_30], %[step3_25] \n\t"
+ "sub %[step2_26], %[step3_29], %[step3_26] \n\t"
+ "sub %[step2_27], %[step3_28], %[step3_27] \n\t"
+ "add %[step2_28], %[step3_28], %[step3_27] \n\t"
+ "add %[step2_29], %[step3_29], %[step3_26] \n\t"
+ "add %[step2_30], %[step3_30], %[step3_25] \n\t"
+ "add %[step2_31], %[step3_31], %[step3_24] \n\t"
- step2_24 = step3_31 - step3_24;
- step2_25 = step3_30 - step3_25;
- step2_26 = step3_29 - step3_26;
- step2_27 = step3_28 - step3_27;
- step2_28 = step3_28 + step3_27;
- step2_29 = step3_29 + step3_26;
- step2_30 = step3_30 + step3_25;
- step2_31 = step3_31 + step3_24;
+ : [step2_24] "=&r"(step2_24), [step2_28] "=&r"(step2_28),
+ [step2_25] "=&r"(step2_25), [step2_29] "=&r"(step2_29),
+ [step2_26] "=&r"(step2_26), [step2_30] "=&r"(step2_30),
+ [step2_27] "=&r"(step2_27), [step2_31] "=&r"(step2_31)
+ : [step3_31] "r"(step3_31), [step3_24] "r"(step3_24),
+ [step3_30] "r"(step3_30), [step3_25] "r"(step3_25),
+ [step3_29] "r"(step3_29), [step3_26] "r"(step3_26),
+ [step3_28] "r"(step3_28), [step3_27] "r"(step3_27));
__asm__ __volatile__(
"lh %[load1], 0(%[input]) \n\t"
@@ -627,30 +648,26 @@
"madd $ac3, %[load3], %[cospi_24_64] \n\t"
"msub $ac3, %[load4], %[cospi_8_64] \n\t"
"extp %[temp2], $ac3, 31 \n\t"
-
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"madd $ac1, %[load3], %[cospi_8_64] \n\t"
"madd $ac1, %[load4], %[cospi_24_64] \n\t"
"extp %[temp3], $ac1, 31 \n\t"
+ "add %[step1_0], %[temp0], %[temp3] \n\t"
+ "add %[step1_1], %[temp1], %[temp2] \n\t"
+ "sub %[step1_2], %[temp1], %[temp2] \n\t"
+ "sub %[step1_3], %[temp0], %[temp3] \n\t"
- "add %[step1_0], %[temp0], %[temp3] \n\t"
- "add %[step1_1], %[temp1], %[temp2] \n\t"
- "sub %[step1_2], %[temp1], %[temp2] \n\t"
- "sub %[step1_3], %[temp0], %[temp3] \n\t"
-
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [result1] "=&r"(result1),
[result2] "=&r"(result2), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_0] "=r"(step1_0),
- [step1_1] "=r"(step1_1), [step1_2] "=r"(step1_2),
- [step1_3] "=r"(step1_3)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_0] "=&r"(step1_0),
+ [step1_1] "=&r"(step1_1), [step1_2] "=&r"(step1_2),
+ [step1_3] "=&r"(step1_3)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
- [cospi_16_64] "r"(cospi_16_64), [cospi_24_64] "r"(cospi_24_64),
- [cospi_8_64] "r"(cospi_8_64)
+ [cospi_24_64] "r"(cospi_24_64), [cospi_8_64] "r"(cospi_8_64),
+ [cospi_16_64] "r"(cospi_16_64));
- );
-
__asm__ __volatile__(
"lh %[load1], 8(%[input]) \n\t"
"lh %[load2], 56(%[input]) \n\t"
@@ -665,7 +682,6 @@
"madd $ac1, %[load1], %[cospi_28_64] \n\t"
"msub $ac1, %[load2], %[cospi_4_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
-
"madd $ac3, %[load1], %[cospi_4_64] \n\t"
"madd $ac3, %[load2], %[cospi_28_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
@@ -678,7 +694,6 @@
"madd $ac2, %[load3], %[cospi_12_64] \n\t"
"msub $ac2, %[load4], %[cospi_20_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
-
"madd $ac1, %[load3], %[cospi_20_64] \n\t"
"madd $ac1, %[load4], %[cospi_12_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
@@ -691,11 +706,9 @@
"sub %[load1], %[temp3], %[temp2] \n\t"
"sub %[load1], %[load1], %[temp0] \n\t"
"add %[load1], %[load1], %[temp1] \n\t"
-
"sub %[load2], %[temp0], %[temp1] \n\t"
"sub %[load2], %[load2], %[temp2] \n\t"
"add %[load2], %[load2], %[temp3] \n\t"
-
"madd $ac1, %[load1], %[cospi_16_64] \n\t"
"madd $ac3, %[load2], %[cospi_16_64] \n\t"
@@ -706,130 +719,247 @@
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
- [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_4] "=r"(step1_4),
- [step1_5] "=r"(step1_5), [step1_6] "=r"(step1_6),
- [step1_7] "=r"(step1_7)
+ [temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_4] "=&r"(step1_4),
+ [step1_5] "=&r"(step1_5), [step1_6] "=&r"(step1_6),
+ [step1_7] "=&r"(step1_7)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_20_64] "r"(cospi_20_64), [cospi_12_64] "r"(cospi_12_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_28_64] "r"(cospi_28_64),
[cospi_16_64] "r"(cospi_16_64));
- step2_0 = step1_0 + step1_7;
- step2_1 = step1_1 + step1_6;
- step2_2 = step1_2 + step1_5;
- step2_3 = step1_3 + step1_4;
- step2_4 = step1_3 - step1_4;
- step2_5 = step1_2 - step1_5;
- step2_6 = step1_1 - step1_6;
- step2_7 = step1_0 - step1_7;
+ __asm__ __volatile__(
+ "add %[step2_0], %[step1_0], %[step1_7] \n\t"
+ "add %[step2_1], %[step1_1], %[step1_6] \n\t"
+ "add %[step2_2], %[step1_2], %[step1_5] \n\t"
+ "add %[step2_3], %[step1_3], %[step1_4] \n\t"
+ "sub %[step2_4], %[step1_3], %[step1_4] \n\t"
+ "sub %[step2_5], %[step1_2], %[step1_5] \n\t"
+ "sub %[step2_6], %[step1_1], %[step1_6] \n\t"
+ "sub %[step2_7], %[step1_0], %[step1_7] \n\t"
- step1_0 = step2_0 + step3_15;
- step1_1 = step2_1 + step3_14;
- step1_2 = step2_2 + step3_13;
- step1_3 = step2_3 + step3_12;
- step1_4 = step2_4 + step3_11;
- step1_5 = step2_5 + step3_10;
- step1_6 = step2_6 + step3_9;
- step1_7 = step2_7 + step3_8;
- step1_8 = step2_7 - step3_8;
- step1_9 = step2_6 - step3_9;
- step1_10 = step2_5 - step3_10;
- step1_11 = step2_4 - step3_11;
- step1_12 = step2_3 - step3_12;
- step1_13 = step2_2 - step3_13;
- step1_14 = step2_1 - step3_14;
- step1_15 = step2_0 - step3_15;
+ : [step2_0] "=&r"(step2_0), [step2_4] "=&r"(step2_4),
+ [step2_1] "=&r"(step2_1), [step2_5] "=&r"(step2_5),
+ [step2_2] "=&r"(step2_2), [step2_6] "=&r"(step2_6),
+ [step2_3] "=&r"(step2_3), [step2_7] "=&r"(step2_7)
+ : [step1_0] "r"(step1_0), [step1_7] "r"(step1_7),
+ [step1_1] "r"(step1_1), [step1_6] "r"(step1_6),
+ [step1_2] "r"(step1_2), [step1_5] "r"(step1_5),
+ [step1_3] "r"(step1_3), [step1_4] "r"(step1_4));
+ // stage 7
__asm__ __volatile__(
- "sub %[temp0], %[step2_27], %[step2_20] \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
- "extp %[step1_20], $ac0, 31 \n\t"
+ "add %[step1_0], %[step2_0], %[step3_15] \n\t"
+ "add %[step1_1], %[step2_1], %[step3_14] \n\t"
+ "add %[step1_2], %[step2_2], %[step3_13] \n\t"
+ "add %[step1_3], %[step2_3], %[step3_12] \n\t"
+ "sub %[step1_12], %[step2_3], %[step3_12] \n\t"
+ "sub %[step1_13], %[step2_2], %[step3_13] \n\t"
+ "sub %[step1_14], %[step2_1], %[step3_14] \n\t"
+ "sub %[step1_15], %[step2_0], %[step3_15] \n\t"
- : [temp0] "=&r"(temp0), [step1_20] "=r"(step1_20)
- : [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
- [step2_27] "r"(step2_27), [cospi_16_64] "r"(cospi_16_64));
+ : [step1_0] "=&r"(step1_0), [step1_12] "=&r"(step1_12),
+ [step1_1] "=&r"(step1_1), [step1_13] "=&r"(step1_13),
+ [step1_2] "=&r"(step1_2), [step1_14] "=&r"(step1_14),
+ [step1_3] "=&r"(step1_3), [step1_15] "=&r"(step1_15)
+ : [step2_0] "r"(step2_0), [step3_15] "r"(step3_15),
+ [step2_1] "r"(step2_1), [step3_14] "r"(step3_14),
+ [step2_2] "r"(step2_2), [step3_13] "r"(step3_13),
+ [step2_3] "r"(step2_3), [step3_12] "r"(step3_12));
- temp21 = (step2_20 + step2_27) * cospi_16_64;
- step1_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ __asm__ __volatile__(
+ "add %[step1_4], %[step2_4], %[step3_11] \n\t"
+ "add %[step1_5], %[step2_5], %[step3_10] \n\t"
+ "add %[step1_6], %[step2_6], %[step3_9] \n\t"
+ "add %[step1_7], %[step2_7], %[step3_8] \n\t"
+ "sub %[step1_8], %[step2_7], %[step3_8] \n\t"
+ "sub %[step1_9], %[step2_6], %[step3_9] \n\t"
+ "sub %[step1_10], %[step2_5], %[step3_10] \n\t"
+ "sub %[step1_11], %[step2_4], %[step3_11] \n\t"
+ : [step1_4] "=&r"(step1_4), [step1_8] "=&r"(step1_8),
+ [step1_5] "=&r"(step1_5), [step1_9] "=&r"(step1_9),
+ [step1_6] "=&r"(step1_6), [step1_10] "=&r"(step1_10),
+ [step1_7] "=&r"(step1_7), [step1_11] "=&r"(step1_11)
+ : [step2_4] "r"(step2_4), [step3_11] "r"(step3_11),
+ [step2_5] "r"(step2_5), [step3_10] "r"(step3_10),
+ [step2_6] "r"(step2_6), [step3_9] "r"(step3_9),
+ [step2_7] "r"(step2_7), [step3_8] "r"(step3_8));
+
__asm__ __volatile__(
- "sub %[temp0], %[step2_26], %[step2_21] \n\t"
+ "sub %[temp0], %[step2_27], %[step2_20] \n\t"
+ "add %[temp1], %[step2_27], %[step2_20] \n\t"
+ "sub %[temp2], %[step2_26], %[step2_21] \n\t"
+ "add %[temp3], %[step2_26], %[step2_21] \n\t"
+
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "mtlo %[const_2_power_13], $ac2 \n\t"
+ "mthi $zero, $ac2 \n\t"
+ "mtlo %[const_2_power_13], $ac3 \n\t"
+ "mthi $zero, $ac3 \n\t"
+
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
- "extp %[step1_21], $ac0, 31 \n\t"
+ "madd $ac1, %[temp1], %[cospi_16_64] \n\t"
+ "madd $ac2, %[temp2], %[cospi_16_64] \n\t"
+ "madd $ac3, %[temp3], %[cospi_16_64] \n\t"
- : [temp0] "=&r"(temp0), [step1_21] "=r"(step1_21)
- : [const_2_power_13] "r"(const_2_power_13), [step2_26] "r"(step2_26),
- [step2_21] "r"(step2_21), [cospi_16_64] "r"(cospi_16_64));
+ "extp %[step1_20], $ac0, 31 \n\t"
+ "extp %[step1_27], $ac1, 31 \n\t"
+ "extp %[step1_21], $ac2, 31 \n\t"
+ "extp %[step1_26], $ac3, 31 \n\t"
- temp21 = (step2_21 + step2_26) * cospi_16_64;
- step1_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
+ [temp3] "=&r"(temp3), [step1_20] "=&r"(step1_20),
+ [step1_27] "=&r"(step1_27), [step1_21] "=&r"(step1_21),
+ [step1_26] "=&r"(step1_26)
+ : [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
+ [step2_27] "r"(step2_27), [step2_21] "r"(step2_21),
+ [step2_26] "r"(step2_26), [cospi_16_64] "r"(cospi_16_64));
__asm__ __volatile__(
"sub %[temp0], %[step2_25], %[step2_22] \n\t"
+ "add %[temp1], %[step2_25], %[step2_22] \n\t"
+ "sub %[temp2], %[step2_24], %[step2_23] \n\t"
+ "add %[temp3], %[step2_24], %[step2_23] \n\t"
+
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
+ "mtlo %[const_2_power_13], $ac1 \n\t"
+ "mthi $zero, $ac1 \n\t"
+ "mtlo %[const_2_power_13], $ac2 \n\t"
+ "mthi $zero, $ac2 \n\t"
+ "mtlo %[const_2_power_13], $ac3 \n\t"
+ "mthi $zero, $ac3 \n\t"
+
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
+ "madd $ac1, %[temp1], %[cospi_16_64] \n\t"
+ "madd $ac2, %[temp2], %[cospi_16_64] \n\t"
+ "madd $ac3, %[temp3], %[cospi_16_64] \n\t"
+
"extp %[step1_22], $ac0, 31 \n\t"
+ "extp %[step1_25], $ac1, 31 \n\t"
+ "extp %[step1_23], $ac2, 31 \n\t"
+ "extp %[step1_24], $ac3, 31 \n\t"
- : [temp0] "=&r"(temp0), [step1_22] "=r"(step1_22)
- : [const_2_power_13] "r"(const_2_power_13), [step2_25] "r"(step2_25),
- [step2_22] "r"(step2_22), [cospi_16_64] "r"(cospi_16_64));
+ : [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
+ [temp3] "=&r"(temp3), [step1_22] "=&r"(step1_22),
+ [step1_25] "=&r"(step1_25), [step1_23] "=&r"(step1_23),
+ [step1_24] "=&r"(step1_24)
+ : [const_2_power_13] "r"(const_2_power_13), [step2_22] "r"(step2_22),
+ [step2_25] "r"(step2_25), [step2_23] "r"(step2_23),
+ [step2_24] "r"(step2_24), [cospi_16_64] "r"(cospi_16_64));
- temp21 = (step2_22 + step2_25) * cospi_16_64;
- step1_25 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ // final stage
+ __asm__ __volatile__(
+ "add %[temp0], %[step1_0], %[step2_31] \n\t"
+ "add %[temp1], %[step1_1], %[step2_30] \n\t"
+ "add %[temp2], %[step1_2], %[step2_29] \n\t"
+ "add %[temp3], %[step1_3], %[step2_28] \n\t"
+ "sub %[load1], %[step1_3], %[step2_28] \n\t"
+ "sub %[load2], %[step1_2], %[step2_29] \n\t"
+ "sub %[load3], %[step1_1], %[step2_30] \n\t"
+ "sub %[load4], %[step1_0], %[step2_31] \n\t"
+ "sh %[temp0], 0(%[output]) \n\t"
+ "sh %[temp1], 64(%[output]) \n\t"
+ "sh %[temp2], 128(%[output]) \n\t"
+ "sh %[temp3], 192(%[output]) \n\t"
+ "sh %[load1], 1792(%[output]) \n\t"
+ "sh %[load2], 1856(%[output]) \n\t"
+ "sh %[load3], 1920(%[output]) \n\t"
+ "sh %[load4], 1984(%[output]) \n\t"
+ : [temp0] "=&r"(temp0), [load1] "=&r"(load1), [temp1] "=&r"(temp1),
+ [load2] "=&r"(load2), [temp2] "=&r"(temp2), [load3] "=&r"(load3),
+ [temp3] "=&r"(temp3), [load4] "=&r"(load4)
+ : [step1_0] "r"(step1_0), [step2_31] "r"(step2_31),
+ [step1_1] "r"(step1_1), [step2_30] "r"(step2_30),
+ [step1_2] "r"(step1_2), [step2_29] "r"(step2_29),
+ [step1_3] "r"(step1_3), [step2_28] "r"(step2_28),
+ [output] "r"(output));
+
__asm__ __volatile__(
- "sub %[temp0], %[step2_24], %[step2_23] \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
- "extp %[step1_23], $ac0, 31 \n\t"
+ "add %[temp0], %[step1_4], %[step1_27] \n\t"
+ "add %[temp1], %[step1_5], %[step1_26] \n\t"
+ "add %[temp2], %[step1_6], %[step1_25] \n\t"
+ "add %[temp3], %[step1_7], %[step1_24] \n\t"
+ "sub %[load1], %[step1_7], %[step1_24] \n\t"
+ "sub %[load2], %[step1_6], %[step1_25] \n\t"
+ "sub %[load3], %[step1_5], %[step1_26] \n\t"
+ "sub %[load4], %[step1_4], %[step1_27] \n\t"
+ "sh %[temp0], 256(%[output]) \n\t"
+ "sh %[temp1], 320(%[output]) \n\t"
+ "sh %[temp2], 384(%[output]) \n\t"
+ "sh %[temp3], 448(%[output]) \n\t"
+ "sh %[load1], 1536(%[output]) \n\t"
+ "sh %[load2], 1600(%[output]) \n\t"
+ "sh %[load3], 1664(%[output]) \n\t"
+ "sh %[load4], 1728(%[output]) \n\t"
- : [temp0] "=&r"(temp0), [step1_23] "=r"(step1_23)
- : [const_2_power_13] "r"(const_2_power_13), [step2_24] "r"(step2_24),
- [step2_23] "r"(step2_23), [cospi_16_64] "r"(cospi_16_64));
+ : [temp0] "=&r"(temp0), [load1] "=&r"(load1), [temp1] "=&r"(temp1),
+ [load2] "=&r"(load2), [temp2] "=&r"(temp2), [load3] "=&r"(load3),
+ [temp3] "=&r"(temp3), [load4] "=&r"(load4)
+ : [step1_4] "r"(step1_4), [step1_27] "r"(step1_27),
+ [step1_5] "r"(step1_5), [step1_26] "r"(step1_26),
+ [step1_6] "r"(step1_6), [step1_25] "r"(step1_25),
+ [step1_7] "r"(step1_7), [step1_24] "r"(step1_24),
+ [output] "r"(output));
- temp21 = (step2_23 + step2_24) * cospi_16_64;
- step1_24 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
+ __asm__ __volatile__(
+ "add %[temp0], %[step1_8], %[step1_23] \n\t"
+ "add %[temp1], %[step1_9], %[step1_22] \n\t"
+ "add %[temp2], %[step1_10], %[step1_21] \n\t"
+ "add %[temp3], %[step1_11], %[step1_20] \n\t"
+ "sub %[load1], %[step1_11], %[step1_20] \n\t"
+ "sub %[load2], %[step1_10], %[step1_21] \n\t"
+ "sub %[load3], %[step1_9], %[step1_22] \n\t"
+ "sub %[load4], %[step1_8], %[step1_23] \n\t"
+ "sh %[temp0], 512(%[output]) \n\t"
+ "sh %[temp1], 576(%[output]) \n\t"
+ "sh %[temp2], 640(%[output]) \n\t"
+ "sh %[temp3], 704(%[output]) \n\t"
+ "sh %[load1], 1280(%[output]) \n\t"
+ "sh %[load2], 1344(%[output]) \n\t"
+ "sh %[load3], 1408(%[output]) \n\t"
+ "sh %[load4], 1472(%[output]) \n\t"
- // final stage
- output[0 * 32] = step1_0 + step2_31;
- output[1 * 32] = step1_1 + step2_30;
- output[2 * 32] = step1_2 + step2_29;
- output[3 * 32] = step1_3 + step2_28;
- output[4 * 32] = step1_4 + step1_27;
- output[5 * 32] = step1_5 + step1_26;
- output[6 * 32] = step1_6 + step1_25;
- output[7 * 32] = step1_7 + step1_24;
- output[8 * 32] = step1_8 + step1_23;
- output[9 * 32] = step1_9 + step1_22;
- output[10 * 32] = step1_10 + step1_21;
- output[11 * 32] = step1_11 + step1_20;
- output[12 * 32] = step1_12 + step2_19;
- output[13 * 32] = step1_13 + step2_18;
- output[14 * 32] = step1_14 + step2_17;
- output[15 * 32] = step1_15 + step2_16;
- output[16 * 32] = step1_15 - step2_16;
- output[17 * 32] = step1_14 - step2_17;
- output[18 * 32] = step1_13 - step2_18;
- output[19 * 32] = step1_12 - step2_19;
- output[20 * 32] = step1_11 - step1_20;
- output[21 * 32] = step1_10 - step1_21;
- output[22 * 32] = step1_9 - step1_22;
- output[23 * 32] = step1_8 - step1_23;
- output[24 * 32] = step1_7 - step1_24;
- output[25 * 32] = step1_6 - step1_25;
- output[26 * 32] = step1_5 - step1_26;
- output[27 * 32] = step1_4 - step1_27;
- output[28 * 32] = step1_3 - step2_28;
- output[29 * 32] = step1_2 - step2_29;
- output[30 * 32] = step1_1 - step2_30;
- output[31 * 32] = step1_0 - step2_31;
+ : [temp0] "=&r"(temp0), [load1] "=&r"(load1), [temp1] "=&r"(temp1),
+ [load2] "=&r"(load2), [temp2] "=&r"(temp2), [load3] "=&r"(load3),
+ [temp3] "=&r"(temp3), [load4] "=&r"(load4)
+ : [step1_8] "r"(step1_8), [step1_23] "r"(step1_23),
+ [step1_9] "r"(step1_9), [step1_22] "r"(step1_22),
+ [step1_10] "r"(step1_10), [step1_21] "r"(step1_21),
+ [step1_11] "r"(step1_11), [step1_20] "r"(step1_20),
+ [output] "r"(output));
+ __asm__ __volatile__(
+ "add %[temp0], %[step1_12], %[step2_19] \n\t"
+ "add %[temp1], %[step1_13], %[step2_18] \n\t"
+ "add %[temp2], %[step1_14], %[step2_17] \n\t"
+ "add %[temp3], %[step1_15], %[step2_16] \n\t"
+ "sub %[load1], %[step1_15], %[step2_16] \n\t"
+ "sub %[load2], %[step1_14], %[step2_17] \n\t"
+ "sub %[load3], %[step1_13], %[step2_18] \n\t"
+ "sub %[load4], %[step1_12], %[step2_19] \n\t"
+ "sh %[temp0], 768(%[output]) \n\t"
+ "sh %[temp1], 832(%[output]) \n\t"
+ "sh %[temp2], 896(%[output]) \n\t"
+ "sh %[temp3], 960(%[output]) \n\t"
+ "sh %[load1], 1024(%[output]) \n\t"
+ "sh %[load2], 1088(%[output]) \n\t"
+ "sh %[load3], 1152(%[output]) \n\t"
+ "sh %[load4], 1216(%[output]) \n\t"
+
+ : [temp0] "=&r"(temp0), [load1] "=&r"(load1), [temp1] "=&r"(temp1),
+ [load2] "=&r"(load2), [temp2] "=&r"(temp2), [load3] "=&r"(load3),
+ [temp3] "=&r"(temp3), [load4] "=&r"(load4)
+ : [step1_12] "r"(step1_12), [step2_19] "r"(step2_19),
+ [step1_13] "r"(step1_13), [step2_18] "r"(step2_18),
+ [step1_14] "r"(step1_14), [step2_17] "r"(step2_17),
+ [step1_15] "r"(step1_15), [step2_16] "r"(step2_16),
+ [output] "r"(output));
+
input += 32;
output += 1;
}
@@ -941,7 +1071,7 @@
"abs %[absa1], %[a1] \n\t"
"replv.qb %[vector_a1], %[absa1] \n\t"
- : [absa1] "=r"(absa1), [vector_a1] "=r"(vector_a1)
+ : [absa1] "=&r"(absa1), [vector_a1] "=&r"(vector_a1)
: [a1] "r"(a1));
for (r = 32; r--;) {@@ -980,12 +1110,71 @@
[dest] "+&r"(dest)
: [stride] "r"(stride), [vector_a1] "r"(vector_a1));
}
+ } else if (a1 > 255) {+ int32_t a11, a12, vector_a11, vector_a12;
+
+ /* use quad-byte
+ * input and output memory are four byte aligned */
+ a11 = a1 >> 1;
+ a12 = a1 - a11;
+ __asm__ __volatile__(
+ "replv.qb %[vector_a11], %[a11] \n\t"
+ "replv.qb %[vector_a12], %[a12] \n\t"
+
+ : [vector_a11] "=&r"(vector_a11), [vector_a12] "=&r"(vector_a12)
+ : [a11] "r"(a11), [a12] "r"(a12));
+
+ for (r = 32; r--;) {+ __asm__ __volatile__(
+ "lw %[t1], 0(%[dest]) \n\t"
+ "lw %[t2], 4(%[dest]) \n\t"
+ "lw %[t3], 8(%[dest]) \n\t"
+ "lw %[t4], 12(%[dest]) \n\t"
+ "addu_s.qb %[vector_1], %[t1], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_2], %[t2], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_3], %[t3], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_4], %[t4], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_1], %[vector_1], %[vector_a12] \n\t"
+ "addu_s.qb %[vector_2], %[vector_2], %[vector_a12] \n\t"
+ "addu_s.qb %[vector_3], %[vector_3], %[vector_a12] \n\t"
+ "addu_s.qb %[vector_4], %[vector_4], %[vector_a12] \n\t"
+ "sw %[vector_1], 0(%[dest]) \n\t"
+ "sw %[vector_2], 4(%[dest]) \n\t"
+ "sw %[vector_3], 8(%[dest]) \n\t"
+ "sw %[vector_4], 12(%[dest]) \n\t"
+
+ "lw %[t1], 16(%[dest]) \n\t"
+ "lw %[t2], 20(%[dest]) \n\t"
+ "lw %[t3], 24(%[dest]) \n\t"
+ "lw %[t4], 28(%[dest]) \n\t"
+ "addu_s.qb %[vector_1], %[t1], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_2], %[t2], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_3], %[t3], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_4], %[t4], %[vector_a11] \n\t"
+ "addu_s.qb %[vector_1], %[vector_1], %[vector_a12] \n\t"
+ "addu_s.qb %[vector_2], %[vector_2], %[vector_a12] \n\t"
+ "addu_s.qb %[vector_3], %[vector_3], %[vector_a12] \n\t"
+ "addu_s.qb %[vector_4], %[vector_4], %[vector_a12] \n\t"
+ "sw %[vector_1], 16(%[dest]) \n\t"
+ "sw %[vector_2], 20(%[dest]) \n\t"
+ "sw %[vector_3], 24(%[dest]) \n\t"
+ "sw %[vector_4], 28(%[dest]) \n\t"
+
+ "add %[dest], %[dest], %[stride] \n\t"
+
+ : [t1] "=&r"(t1), [t2] "=&r"(t2), [t3] "=&r"(t3), [t4] "=&r"(t4),
+ [vector_1] "=&r"(vector_1), [vector_2] "=&r"(vector_2),
+ [vector_3] "=&r"(vector_3), [vector_4] "=&r"(vector_4),
+ [dest] "+&r"(dest)
+ : [stride] "r"(stride), [vector_a11] "r"(vector_a11),
+ [vector_a12] "r"(vector_a12));
+ }
} else {/* use quad-byte
* input and output memory are four byte aligned */
__asm__ __volatile__("replv.qb %[vector_a1], %[a1] \n\t"- : [vector_a1] "=r"(vector_a1)
+ : [vector_a1] "=&r"(vector_a1)
: [a1] "r"(a1));
for (r = 32; r--;) {