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| author | Quan Yong Zhai <qyzhai@gmail.com> | 2011-07-12 17:30:40 -0700 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2011-07-12 17:30:40 -0700 |
| commit | fe9991e8b29d261f12a0a0a15b89d67a29f5299d (patch) | |
| tree | dd74907d74aaa2513d6133a9e693ca5cc43dcdcb /src/pkg/runtime/proc.c | |
| parent | ba91dac3a9e01a68e13e3ea6f6798f2f3b4ea73f (diff) | |
| download | go-fe9991e8b29d261f12a0a0a15b89d67a29f5299d.tar.xz | |
runtime: replace runtime.mcpy with runtime.memmove
faster string operations, and more
tested on linux/386
runtime_test.BenchmarkSliceToString 642 532 -17.13%
runtime_test.BenchmarkStringToSlice 636 528 -16.98%
runtime_test.BenchmarkConcatString 1109 897 -19.12%
R=r, iant, rsc
CC=golang-dev
https://golang.org/cl/4674042
Diffstat (limited to 'src/pkg/runtime/proc.c')
| -rw-r--r-- | src/pkg/runtime/proc.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c index 17397ca821..1524a627da 100644 --- a/src/pkg/runtime/proc.c +++ b/src/pkg/runtime/proc.c @@ -720,7 +720,7 @@ runtime·oldstack(void) argsize = old.argsize; if(argsize > 0) { sp -= argsize; - runtime·mcpy(top->argp, sp, argsize); + runtime·memmove(top->argp, sp, argsize); } goid = old.gobuf.g->goid; // fault if g is bad, before gogo USED(goid); @@ -802,7 +802,7 @@ runtime·newstack(void) sp = (byte*)top; if(argsize > 0) { sp -= argsize; - runtime·mcpy(sp, m->moreargp, argsize); + runtime·memmove(sp, m->moreargp, argsize); } if(thechar == '5') { // caller would have saved its LR below args. @@ -903,7 +903,7 @@ runtime·newproc1(byte *fn, byte *argp, int32 narg, int32 nret, void *callerpc) sp = newg->stackbase; sp -= siz; - runtime·mcpy(sp, argp, narg); + runtime·memmove(sp, argp, narg); if(thechar == '5') { // caller's LR sp -= sizeof(void*); @@ -941,7 +941,7 @@ runtime·deferproc(int32 siz, byte* fn, ...) d->argp = (byte*)(&fn+2); // skip caller's saved link register else d->argp = (byte*)(&fn+1); - runtime·mcpy(d->args, d->argp, d->siz); + runtime·memmove(d->args, d->argp, d->siz); d->link = g->defer; g->defer = d; @@ -968,7 +968,7 @@ runtime·deferreturn(uintptr arg0) argp = (byte*)&arg0; if(d->argp != argp) return; - runtime·mcpy(argp, d->args, d->siz); + runtime·memmove(argp, d->args, d->siz); g->defer = d->link; fn = d->fn; runtime·free(d); @@ -1367,11 +1367,11 @@ os·setenv_c(String k, String v) return; arg[0] = runtime·malloc(k.len + 1); - runtime·mcpy(arg[0], k.str, k.len); + runtime·memmove(arg[0], k.str, k.len); arg[0][k.len] = 0; arg[1] = runtime·malloc(v.len + 1); - runtime·mcpy(arg[1], v.str, v.len); + runtime·memmove(arg[1], v.str, v.len); arg[1][v.len] = 0; runtime·asmcgocall(libcgo_setenv, arg); |