shithub: hj264

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build amd64-specific stuff if possible

--- /dev/null

+++ b/builtins.amd64.s

@@ -1,0 +1,7 @@

+TEXT memcpyf(SB),1,$0

+	MOVQ RARG, DI

+	MOVQ DI, AX

+	MOVQ p2+8(FP), SI

+	MOVL n+16(FP), CX

+	CLD; REP; MOVSB

+	RET

--- a/hj264.c

+++ b/hj264.c

@@ -1,6 +1,8 @@

 #define MINIH264_IMPLEMENTATION

 #define H264E_MAX_THREADS 7

+#ifdef __amd64__

 #define memcpy memcpyf

+#endif

 #include "minih264e.h"

 #include <thread.h>

 #include <bio.h>

--- a/memcpyf.s

+++ /dev/null

@@ -1,7 +1,0 @@

-TEXT memcpyf(SB),1,$0

-	MOVQ RARG, DI

-	MOVQ DI, AX

-	MOVQ p2+8(FP), SI

-	MOVL n+16(FP), CX

-	CLD; REP; MOVSB

-	RET

--- a/mkfile

+++ b/mkfile

@@ -1,6 +1,6 @@

 </$objtype/mkfile

-CFLAGS=$CFLAGS -p -I/sys/include/npe -D__plan9__

+CFLAGS=$CFLAGS -p -I/sys/include/npe -D__plan9__ -D__${objtype}__

 BIN=/$objtype/bin/video

 TARG=hj264

@@ -11,7 +11,7 @@

 OFILES=\

 	hj264.$O\

-	memcpyf.$O\

+	builtins`{test $objtype '=' amd64 && echo -n .$objtype}.$O\

 default:V: all