Revision: 21422
Author: [email protected]
Date: Thu May 22 08:04:17 2014 UTC
Log: Remove check for SAHF support in ia32.
On ia32, SAHF is guaranteed. It's only necessary to probe for it on x64.
[email protected]
BUG=376087
LOG=N
Review URL: https://codereview.chromium.org/296133006
http://code.google.com/p/v8/source/detail?r=21422
Modified:
/branches/bleeding_edge/src/ia32/assembler-ia32.cc
=======================================
--- /branches/bleeding_edge/src/ia32/assembler-ia32.cc Fri May 16 15:18:24
2014 UTC
+++ /branches/bleeding_edge/src/ia32/assembler-ia32.cc Thu May 22 08:04:17
2014 UTC
@@ -52,8 +52,6 @@
CPU cpu;
CHECK(cpu.has_sse2()); // SSE2 support is mandatory.
CHECK(cpu.has_cmov()); // CMOV support is mandatory.
- CHECK(cpu.has_sahf()); // SAHF must be available in compat/legacy mode.
- supported_ |= 1u << SAHF;
supported_ |= OS::CpuFeaturesImpliedByPlatform();
// Only use statically determined features for cross compile (snapshot).
--
--
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