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| author | Martell Malone <martellmalone@gmail.com> | 2015-11-03 15:46:23 +0000 |
|---|---|---|
| committer | Martell Malone <martellmalone@gmail.com> | 2015-11-03 15:46:23 +0000 |
| commit | 4356fa3ec6d35e2d2029e42071392e4596b14a23 (patch) | |
| tree | dab789d0d0fbb88d2f2b92cf9253ecf1df6dfd22 /lib/builtins/i386/chkstk.S | |
| parent | 1d301e42d6dc140d86a861685b37b85d6494ece7 (diff) | |
Support for 32-bit mingw-w64 in compiler-rt.
Add chkstk/alloca for gcc objects.
Replace or instructions with test, the latter should be marginally more
efficent, as it does not write to memory.
Differential Revision: http://reviews.llvm.org/D14044
Patch by vadimcn
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@251928 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/builtins/i386/chkstk.S')
| -rw-r--r-- | lib/builtins/i386/chkstk.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/builtins/i386/chkstk.S b/lib/builtins/i386/chkstk.S index 3733d722e..b59974868 100644 --- a/lib/builtins/i386/chkstk.S +++ b/lib/builtins/i386/chkstk.S @@ -19,13 +19,13 @@ DEFINE_COMPILERRT_FUNCTION(__chkstk_ms) jb 1f 2: sub $0x1000,%ecx - orl $0,(%ecx) + test %ecx,(%ecx) sub $0x1000,%eax cmp $0x1000,%eax ja 2b 1: sub %eax,%ecx - orl $0,(%ecx) + test %ecx,(%ecx) pop %eax pop %ecx ret |