From 0af1e412a405177fbc0252e4b2dc801d2c048588 Mon Sep 17 00:00:00 2001
From: Gwynne Raskind <gwynne@php.net>
Date: Sun, 7 Aug 2011 05:20:49 +0000
Subject: [PATCH] Fix build under Clang 2.9 - see LLVM bug #9164
 (http://llvm.org/bugs/show_bug.cgi?id=9164). Tested with GCC and Clang on
 Darwin and Ubuntu.

---
 Zend/zend_operators.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h
index 8e3a37eee7..65db22b790 100644
--- a/Zend/zend_operators.h
+++ b/Zend/zend_operators.h
@@ -615,7 +615,11 @@ static zend_always_inline int fast_sub_function(zval *result, zval *op1, zval *o
 			"0:\n\t"
 			"fildl	(%2)\n\t"
 			"fildl	(%1)\n\t"
+#if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
+			"fsubp  %%st(1), %%st\n\t"  // LLVM bug #9164
+#else
 			"fsubp	%%st, %%st(1)\n\t"
+#endif
 			"movb   $0x2,0xc(%0)\n\t"
 			"fstpl	(%0)\n"
 			"1:"
@@ -635,7 +639,11 @@ static zend_always_inline int fast_sub_function(zval *result, zval *op1, zval *o
 			"0:\n\t"
 			"fildq	(%2)\n\t"
 			"fildq	(%1)\n\t"
+#if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
+			"fsubp  %%st(1), %%st\n\t"  // LLVM bug #9164
+#else
 			"fsubp	%%st, %%st(1)\n\t"
+#endif
 			"movb   $0x2,0x14(%0)\n\t"
 			"fstpl	(%0)\n"
 			"1:"
-- 
2.50.1