diff options
| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-06-24 16:54:22 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-06-24 16:54:22 +0000 |
| commit | 2b92d5c69b4e4ffd89e6bfe928ea2cc2114357a8 (patch) | |
| tree | 318ef6fa71679125858dacabc9a1992333294ccc /libgo | |
| parent | 1e3d475ea16e89332e07651d61b60b408e0a0932 (diff) | |
| download | gcc-2b92d5c69b4e4ffd89e6bfe928ea2cc2114357a8.zip gcc-2b92d5c69b4e4ffd89e6bfe928ea2cc2114357a8.tar.gz gcc-2b92d5c69b4e4ffd89e6bfe928ea2cc2114357a8.tar.bz2 | |
compiler: use builtin memcmp directly
Instead of going through a C function __go_memcmp, we can just
use __builtin_memcmp directly. This allows more optimizations in
the compiler backend.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/183537
From-SVN: r272620
Diffstat (limited to 'libgo')
| -rw-r--r-- | libgo/Makefile.am | 1 | ||||
| -rw-r--r-- | libgo/Makefile.in | 8 | ||||
| -rw-r--r-- | libgo/runtime/go-memcmp.c | 13 |
3 files changed, 2 insertions, 20 deletions
diff --git a/libgo/Makefile.am b/libgo/Makefile.am index 4bfed3f..88f885b 100644 --- a/libgo/Makefile.am +++ b/libgo/Makefile.am @@ -459,7 +459,6 @@ runtime_files = \ runtime/go-fieldtrack.c \ runtime/go-matherr.c \ runtime/go-memclr.c \ - runtime/go-memcmp.c \ runtime/go-memequal.c \ runtime/go-nanotime.c \ runtime/go-now.c \ diff --git a/libgo/Makefile.in b/libgo/Makefile.in index 837e1e8..f53ca3f 100644 --- a/libgo/Makefile.in +++ b/libgo/Makefile.in @@ -244,8 +244,8 @@ am__objects_3 = runtime/aeshash.lo runtime/go-assert.lo \ runtime/go-cgo.lo runtime/go-construct-map.lo \ runtime/go-ffi.lo runtime/go-fieldtrack.lo \ runtime/go-matherr.lo runtime/go-memclr.lo \ - runtime/go-memcmp.lo runtime/go-memequal.lo \ - runtime/go-nanotime.lo runtime/go-now.lo runtime/go-nosys.lo \ + runtime/go-memequal.lo runtime/go-nanotime.lo \ + runtime/go-now.lo runtime/go-nosys.lo \ runtime/go-reflect-call.lo runtime/go-runtime-error.lo \ runtime/go-setenv.lo runtime/go-signal.lo \ runtime/go-unsafe-pointer.lo runtime/go-unsetenv.lo \ @@ -892,7 +892,6 @@ runtime_files = \ runtime/go-fieldtrack.c \ runtime/go-matherr.c \ runtime/go-memclr.c \ - runtime/go-memcmp.c \ runtime/go-memequal.c \ runtime/go-nanotime.c \ runtime/go-now.c \ @@ -1343,8 +1342,6 @@ runtime/go-matherr.lo: runtime/$(am__dirstamp) \ runtime/$(DEPDIR)/$(am__dirstamp) runtime/go-memclr.lo: runtime/$(am__dirstamp) \ runtime/$(DEPDIR)/$(am__dirstamp) -runtime/go-memcmp.lo: runtime/$(am__dirstamp) \ - runtime/$(DEPDIR)/$(am__dirstamp) runtime/go-memequal.lo: runtime/$(am__dirstamp) \ runtime/$(DEPDIR)/$(am__dirstamp) runtime/go-nanotime.lo: runtime/$(am__dirstamp) \ @@ -1436,7 +1433,6 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@runtime/$(DEPDIR)/go-fieldtrack.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@runtime/$(DEPDIR)/go-matherr.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@runtime/$(DEPDIR)/go-memclr.Plo@am__quote@ -@AMDEP_TRUE@@am__include@ @am__quote@runtime/$(DEPDIR)/go-memcmp.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@runtime/$(DEPDIR)/go-memequal.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@runtime/$(DEPDIR)/go-nanotime.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@runtime/$(DEPDIR)/go-nosys.Plo@am__quote@ diff --git a/libgo/runtime/go-memcmp.c b/libgo/runtime/go-memcmp.c deleted file mode 100644 index 78a356b..0000000 --- a/libgo/runtime/go-memcmp.c +++ /dev/null @@ -1,13 +0,0 @@ -/* go-memcmp.c -- the go memory comparison function. - - Copyright 2012 The Go Authors. All rights reserved. - Use of this source code is governed by a BSD-style - license that can be found in the LICENSE file. */ - -#include "runtime.h" - -intgo -__go_memcmp (const void *p1, const void *p2, uintptr len) -{ - return __builtin_memcmp (p1, p2, len); -} |