ref: ebb4a027004359227d10093ff1ef4e57e44d6250
parent: e7d32ccc043605258973593c6da0dc60739eeaa5
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Wed Sep 18 23:59:51 EDT 2019
[as-powerpc] Add GPRS registers
--- a/src/cmd/as/target/powerpc/ins.c
+++ b/src/cmd/as/target/powerpc/ins.c
@@ -3,6 +3,51 @@
#include <scc/scc.h>
#include "../../as.h"
+#include "proc.h"
+
+static int
+getclass(Node *np)
+{+ if (np->addr != AREG)
+ return 0;
+
+ switch (np->sym->value) {+ case AREG_R0:
+ case AREG_R1:
+ case AREG_R2:
+ case AREG_R3:
+ case AREG_R4:
+ case AREG_R5:
+ case AREG_R6:
+ case AREG_R7:
+ case AREG_R8:
+ case AREG_R9:
+ case AREG_R10:
+ case AREG_R11:
+ case AREG_R12:
+ case AREG_R13:
+ case AREG_R14:
+ case AREG_R15:
+ case AREG_R16:
+ case AREG_R17:
+ case AREG_R18:
+ case AREG_R19:
+ case AREG_R20:
+ case AREG_R21:
+ case AREG_R22:
+ case AREG_R23:
+ case AREG_R24:
+ case AREG_R25:
+ case AREG_R26:
+ case AREG_R27:
+ case AREG_R29:
+ case AREG_R30:
+ case AREG_R31:
+ return GPRSCLASS;
+ default:
+ abort();
+ }
+}
int
match(Op *Op, Node **args)
--- a/src/cmd/as/target/powerpc/powerpc.c
+++ b/src/cmd/as/target/powerpc/powerpc.c
@@ -3,13 +3,60 @@
#include <scc/scc.h>
#include "../../as.h"
+#include "proc.h"
TUINT maxaddr = 0xFFFF;
int endian = LITTLE_ENDIAN;
int left2right = 0;
-#include "proc.h"
void
iarch(void)
{+ static struct {+ char *name;
+ char type;
+ } regs[] = {+ "R0", AREG_R0,
+ "R1", AREG_R1,
+ "R2", AREG_R2,
+ "R3", AREG_R3,
+ "R4", AREG_R4,
+ "R5", AREG_R5,
+ "R6", AREG_R6,
+ "R7", AREG_R7,
+ "R8", AREG_R8,
+ "R9", AREG_R9,
+
+ "R10", AREG_R10,
+ "R11", AREG_R11,
+ "R12", AREG_R12,
+ "R13", AREG_R13,
+ "R14", AREG_R14,
+ "R15", AREG_R15,
+ "R16", AREG_R16,
+ "R17", AREG_R17,
+ "R18", AREG_R18,
+ "R19", AREG_R19,
+
+ "R20", AREG_R20,
+ "R21", AREG_R21,
+ "R22", AREG_R22,
+ "R23", AREG_R23,
+ "R24", AREG_R24,
+ "R25", AREG_R25,
+ "R26", AREG_R26,
+ "R27", AREG_R27,
+ "R28", AREG_R28,
+ "R29", AREG_R29,
+ "R30", AREG_R30,
+ "R31", AREG_R31,
+
+ NULL
+ }, *bp;
+
+ for (bp = regs; bp->name; ++bp) {+ Symbol *sym = lookup(bp->name);
+ sym->flags = FREG;
+ sym->value = bp->type;
+ }
}
--- a/src/cmd/as/target/powerpc/proc.h
+++ b/src/cmd/as/target/powerpc/proc.h
@@ -1,0 +1,38 @@
+enum args {+ AREG_R0 = AMAX,
+ AREG_R1,
+ AREG_R2,
+ AREG_R3,
+ AREG_R4,
+ AREG_R5,
+ AREG_R6,
+ AREG_R7,
+ AREG_R8,
+ AREG_R9,
+ AREG_R10,
+ AREG_R11,
+ AREG_R12,
+ AREG_R13,
+ AREG_R14,
+ AREG_R15,
+ AREG_R16,
+ AREG_R17,
+ AREG_R18,
+ AREG_R19,
+ AREG_R20,
+ AREG_R21,
+ AREG_R22,
+ AREG_R23,
+ AREG_R24,
+ AREG_R25,
+ AREG_R26,
+ AREG_R27,
+ AREG_R28,
+ AREG_R29,
+ AREG_R30,
+ AREG_R31,
+};
+
+enum class {+ GPRSCLASS = 1 << 0,
+};