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| author | alanbirtles <alanbirtles@users.noreply.github.com> | 2018-04-12 14:59:15 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-04-12 14:59:15 +0100 |
| commit | a4acbb38da9c85ed3eb01281d325324a9f1802a5 (patch) | |
| tree | 3f19e7d66e10278828925bf8f2e0b1ba614ac6b8 /cpu.h | |
| parent | bdd0f02867ff843be25c284258d3256a48e41cb1 (diff) | |
| download | cryptopp-git-a4acbb38da9c85ed3eb01281d325324a9f1802a5.tar.gz | |
Workaround for #636
Temporarily switch to AT&T syntax in ASJ for clang 5.0.0+ and apple clang 9.0.0+ to workaround https://bugs.llvm.org/show_bug.cgi?id=36144
Diffstat (limited to 'cpu.h')
| -rw-r--r-- | cpu.h | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -614,7 +614,12 @@ inline int GetCacheLineSize() #define GNU_AS2(x, y) #x ", " #y ";" NEW_LINE
#define GNU_AS3(x, y, z) #x ", " #y ", " #z ";" NEW_LINE
#define GNU_ASL(x) "\n" #x ":" NEW_LINE
+// clang 5.0.0 and apple clang 9.0.0 don't support numerical backward jumps
+#if (CRYPTOPP_LLVM_CLANG_VERSION >= 50000) || (CRYPTOPP_APPLE_CLANG_VERSION >= 90000)
+ #define GNU_ASJ(x, y, z) ATT_PREFIX ";" NEW_LINE #x " " #y #z ";" NEW_LINE INTEL_PREFIX ";" NEW_LINE
+#else
#define GNU_ASJ(x, y, z) #x " " #y #z ";" NEW_LINE
+#endif
#define AS1(x) GNU_AS1(x)
#define AS2(x, y) GNU_AS2(x, y)
#define AS3(x, y, z) GNU_AS3(x, y, z)
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