From: yangguo@chromium.org <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Tue, 8 Jan 2013 15:32:40 +0000 (+0000)
Subject: Only enable MinGW-w64 pow() workaround if needed
X-Git-Tag: upstream/4.7.83~15334
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3a06a29c1361d827d7a75a3ffd2ffc52eef8cb94;p=platform%2Fupstream%2Fv8.git

Only enable MinGW-w64 pow() workaround if needed

The pow() workaround is no longer needed in the latest version of
MinGW-w64.

Contributed by net147@gmail.com

BUGS=
TEST=mjsunit/math-pow,mjsunit/math-sqrt

Review URL: https://chromiumcodereview.appspot.com/11748033
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13334 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/src/assembler.cc b/src/assembler.cc
index 8fc8c9e77..e28497431 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1403,7 +1403,8 @@ double power_double_int(double x, int y) {
 
 
 double power_double_double(double x, double y) {
-#ifdef __MINGW64_VERSION_MAJOR
+#if defined(__MINGW64_VERSION_MAJOR) && \
+    (!defined(__MINGW64_VERSION_RC) || __MINGW64_VERSION_RC < 1)
   // MinGW64 has a custom implementation for pow.  This handles certain
   // special cases that are different.
   if ((x == 0.0 || isinf(x)) && isfinite(y)) {