Update of /cvsroot/linux-mips/linux/include/asm-mips
In directory usw-pr-cvs1:/tmp/cvs-serv10232/include/asm-mips
Modified Files:
asm.h
Log Message:
New, hopefully faster memcpy using prefetching. I'm interested in lmbench results comparing old / new memcpy benchmark results.
Index: asm.h
===================================================================
RCS file: /cvsroot/linux-mips/linux/include/asm-mips/asm.h,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- asm.h 2002/01/28 20:53:19 1.5
+++ asm.h 2002/02/05 17:29:27 1.6
@@ -132,8 +132,8 @@
#define TTABLE(string) \
.pushsection .text; \
.word 1f; \
- .previous; \
- .data; \
+ .popsection \
+ .pushsection .data; \
1: .asciz string; \
.popsection
@@ -144,15 +144,24 @@
* MIPS IV implementations are free to treat this as a nop. The R5000
* is one of them. So we should have an option not to use this instruction.
*/
-#if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
- (_MIPS_ISA == _MIPS_ISA_MIPS64)
+#if CONFIG_CPU_HAS_PREFETCH
+
#define PREF(hint,addr) \
- pref hint,addr
+ .set push; \
+ .set mips4; \
+ pref hint,addr; \
+ .set pop
+
#define PREFX(hint,addr) \
- prefx hint,addr
+ .set push; \
+ .set mips4; \
+ prefx hint,addr; \
+ .set pop
#else
+
#define PREF(hint,addr)
#define PREFX(hint,addr)
+
#endif
/*
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