1 files changed, 64 insertions, 0 deletions

diff --git a/extra/webkitgtk/0001-https-bugs.webkit.org-show_bug.cgi-id-112141.patch b/extra/webkitgtk/0001-https-bugs.webkit.org-show_bug.cgi-id-112141.patch
new file mode 100644
index 000000000..49eb83223
--- /dev/null
+++ b/extra/webkitgtk/0001-https-bugs.webkit.org-show_bug.cgi-id-112141.patch
@@ -0,0 +1,64 @@
+Without ChangeLog change.
+
+From 7ba6eb5405cb66c97398f8cdb6d5f9e919ba6131 Mon Sep 17 00:00:00 2001
+From: "rgabor@webkit.org"
+ <rgabor@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
+Date: Tue, 12 Mar 2013 15:28:10 +0000
+Subject: [PATCH] https://bugs.webkit.org/show_bug.cgi?id=112141 LLInt CLoop
+ backend misses Double2Ints() on 32bit architectures
+
+Reviewed by Filip Pizlo.
+
+Implement Double2Ints() in CLoop backend of LLInt on 32bit architectures.
+
+* llint/LowLevelInterpreter.cpp:
+(LLInt):
+(JSC::LLInt::Double2Ints):
+* offlineasm/cloop.rb:
+
+
+git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145551 268f45cc-cd09-0410-ab3c-d52691b4dbfc
+---
+ Source/JavaScriptCore/ChangeLog                     | 14 ++++++++++++++
+ Source/JavaScriptCore/llint/LowLevelInterpreter.cpp | 11 +++++++++++
+ Source/JavaScriptCore/offlineasm/cloop.rb           |  2 +-
+ 3 files changed, 26 insertions(+), 1 deletion(-)
+
+diff --git a/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp b/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
+index d3c73b0..186c659 100644
+--- a/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
++++ b/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
+@@ -117,6 +117,17 @@ static double Ints2Double(uint32_t lo, uint32_t hi)
+     u.ival64 = (static_cast<uint64_t>(hi) << 32) | lo;
+     return u.dval;
+ }
++
++static void Double2Ints(double val, uint32_t& lo, uint32_t& hi)
++{
++    union {
++        double dval;
++        uint64_t ival64;
++    } u;
++    u.dval = val;
++    hi = static_cast<uint32_t>(u.ival64 >> 32);
++    lo = static_cast<uint32_t>(u.ival64);
++}
+ #endif // USE(JSVALUE32_64)
+ 
+ } // namespace LLint
+diff --git a/Source/JavaScriptCore/offlineasm/cloop.rb b/Source/JavaScriptCore/offlineasm/cloop.rb
+index 14cacb9..f6bd552 100644
+--- a/Source/JavaScriptCore/offlineasm/cloop.rb
++++ b/Source/JavaScriptCore/offlineasm/cloop.rb
+@@ -1025,7 +1025,7 @@ class Instruction
+         # 32-bit instruction: f2dii dblOp int32LoOp int32HiOp (based on ARMv7)
+         # Encode a 64-bit double into 2 32-bit ints (low and high).
+         when "fd2ii"
+-            $asm.putc "Double2Ints(#{operands[0].clValue(:double)}, #{operands[1].clValue}, #{operands[2].clValue});"
++            $asm.putc "Double2Ints(#{operands[0].clValue(:double)}, #{operands[1].clValue(:uint32)}, #{operands[2].clValue(:uint32)});"
+ 
+         # 64-bit instruction: fq2d int64Op dblOp (based on X64)
+         # Copy a bit-encoded double in a 64-bit int register to a double register.
+-- 
+1.8.2.1
+