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Fix hardfloat detection
gcc has a builtin define to denote hard abi when in use, e.g. when
using -mfloat-abi=hard it will define __ARM_PCS_VFP to 1 and therefore
we should check that to determine which calling convention is in use
and not __VFP_FP__ which merely indicates presence of VFP unit
The fix has been provided by Khem Raj <raj.khem@gmail.com>
Upstream-Status: Forwarded
--- a/deps/v8/src/platform-linux.cc 2012-05-17 12:52:59.329519921 -0700
+++ b/deps/v8/src/platform-linux.cc 2012-05-17 12:54:02.037521511 -0700
@@ -212,7 +212,7 @@
// calling this will return 1.0 and otherwise 0.0.
static void ArmUsingHardFloatHelper() {
asm("mov r0, #0");
-#if defined(__VFP_FP__) && !defined(__SOFTFP__)
+#if defined(__ARM_PCS_VFP) && !defined(__SOFTFP__)
// Load 0x3ff00000 into r1 using instructions available in both ARM
// and Thumb mode.
asm("mov r1, #3");
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