From: Craig Topper <craig.topper@intel.com>
Date: Sun, 24 Mar 2019 18:00:20 +0000 (+0000)
Subject: [X86] Make _bswap intrinsic a function instead of a macro to hopefully fix the chromi... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=14891bbc892662cbc7d7b4b8f033ebe62fba41dc;p=clang

[X86] Make _bswap intrinsic a function instead of a macro to hopefully fix the chromium build.

This intrinsic was added in r356848 but was implemented as a macro to match gcc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@356862 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Headers/ia32intrin.h b/lib/Headers/ia32intrin.h
index 6bd57ec2f0..64ead34796 100644
--- a/lib/Headers/ia32intrin.h
+++ b/lib/Headers/ia32intrin.h
@@ -78,7 +78,11 @@ __bswapd(int __A) {
   return __builtin_bswap32(__A);
 }
 
-#define _bswap(A) __bswapd((A))
+static __inline__ int __attribute__((__always_inline__, __nodebug__))
+_bswap(int __A) {
+  return __builtin_bswap32(__A);
+}
+
 #define _bit_scan_forward(A) __bsfd((A))
 #define _bit_scan_reverse(A) __bsrd((A))