commit 292188d514c9826971308a18fcc5a66261729f3b
author jeffhao <jeffhao@google.com> Thu May 17 15:45:04 2012 -0700
committer jeffhao <jeffhao@google.com> Fri May 18 10:34:48 2012 -0700
tree 40417b04b3599c5bdef8fbbc7387f371d2b1601d
parent 84a5bb4556d8974d3aa1c436af36e48d622b4045

More x86 fixes for floating point operations.

- Fixed encoding for cvtss2sd and cvtsd2ss (they were swapped).

- Implemented neg-float and neg-double in assembly.

- Fixed float-to-int and double-to-int to return 0 if given NaN.

- Created helpers for rem-float and rem-double.

Change-Id: I456fcc1252a63dbb96c8280562e601f4efa3a5df

src/compiler/codegen/x86/Assemble.cc

diff --git a/src/compiler/codegen/x86/Assemble.cc b/src/compiler/codegen/x86/Assemble.cc
index b9605cc..671e728 100644
--- a/src/compiler/codegen/x86/Assemble.cc
+++ b/src/compiler/codegen/x86/Assemble.cc
@@ -262,8 +262,8 @@
   EXT_0F_ENCODING_MAP(Addss,     0xF3, 0x58),
   EXT_0F_ENCODING_MAP(Mulsd,     0xF2, 0x59),
   EXT_0F_ENCODING_MAP(Mulss,     0xF3, 0x59),
-  EXT_0F_ENCODING_MAP(Cvtss2sd,  0xF2, 0x5A),
-  EXT_0F_ENCODING_MAP(Cvtsd2ss,  0xF3, 0x5A),
+  EXT_0F_ENCODING_MAP(Cvtsd2ss,  0xF2, 0x5A),
+  EXT_0F_ENCODING_MAP(Cvtss2sd,  0xF3, 0x5A),
   EXT_0F_ENCODING_MAP(Subsd,     0xF2, 0x5C),
   EXT_0F_ENCODING_MAP(Subss,     0xF3, 0x5C),
   EXT_0F_ENCODING_MAP(Divsd,     0xF2, 0x5E),