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| author | Pavel Chupin <pavel.v.chupin@intel.com> | 2012-10-29 13:23:02 +0400 |
|---|---|---|
| committer | Pavel Chupin <pavel.v.chupin@intel.com> | 2012-10-30 16:30:29 +0400 |
| commit | e804643b6dfcfb5842dea4b714601c6dd89f4944 (patch) | |
| tree | 26d49ccf61f17c433cb0afe2596307df28367c0f /gcc-4.4.3/gcc | |
| parent | 8be8667d162a7bd04972e12f75bb71a8632391b9 (diff) | |
| download | toolchain_gcc-e804643b6dfcfb5842dea4b714601c6dd89f4944.tar.gz toolchain_gcc-e804643b6dfcfb5842dea4b714601c6dd89f4944.tar.bz2 toolchain_gcc-e804643b6dfcfb5842dea4b714601c6dd89f4944.zip | |
Return to %gs:20 code generation for -fstack-protector on x86
After https://android-review.googlesource.com/#/c/45416 bionic provides
stack-protector random value per each thread at %gs:20. Therefore return
compiler back to %gs:20 code gen, same as for glibc.
Change-Id: I76c68f0c99846d247f34e0ea781a7f1c305659b9
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
Diffstat (limited to 'gcc-4.4.3/gcc')
| -rw-r--r-- | gcc-4.4.3/gcc/config/i386/i386.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc-4.4.3/gcc/config/i386/i386.md b/gcc-4.4.3/gcc/config/i386/i386.md index 712df1071..7989c31db 100644 --- a/gcc-4.4.3/gcc/config/i386/i386.md +++ b/gcc-4.4.3/gcc/config/i386/i386.md @@ -21926,7 +21926,7 @@ (define_expand "stack_protect_set" [(match_operand 0 "memory_operand" "") (match_operand 1 "memory_operand" "")] - "!TARGET_HAS_BIONIC" + "" { #ifdef TARGET_THREAD_SSP_OFFSET if (TARGET_64BIT) @@ -21949,7 +21949,7 @@ (unspec:SI [(match_operand:SI 1 "memory_operand" "m")] UNSPEC_SP_SET)) (set (match_scratch:SI 2 "=&r") (const_int 0)) (clobber (reg:CC FLAGS_REG))] - "!TARGET_HAS_BIONIC" + "" "mov{l}\t{%1, %2|%2, %1}\;mov{l}\t{%2, %0|%0, %2}\;xor{l}\t%2, %2" [(set_attr "type" "multi")]) @@ -21992,7 +21992,7 @@ [(match_operand 0 "memory_operand" "") (match_operand 1 "memory_operand" "") (match_operand 2 "" "")] - "!TARGET_HAS_BIONIC" + "" { rtx flags = gen_rtx_REG (CCZmode, FLAGS_REG); ix86_compare_op0 = operands[0]; |