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rebase of the patch

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This commit is contained in:
Sylvestre Ledru 2017-05-27 15:30:26 +00:00
parent 25209f2a61
commit e8d2b9b75e
1 changed files with 8 additions and 8 deletions
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16
debian/patches/clang-fix-cmpxchg8-detection-on-i386.patch vendored
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@ -9,11 +9,11 @@ can't tell program if libatomic is always lock free.
Related bug: https://llvm.org/bugs/show_bug.cgi?id=19355
Index: llvm-toolchain-snapshot_4.0~svn291557/clang/lib/Basic/Targets.cpp
Index: llvm-toolchain-snapshot_5.0~svn304075/clang/lib/Basic/Targets.cpp
===================================================================
--- llvm-toolchain-snapshot_4.0~svn291557.orig/clang/lib/Basic/Targets.cpp
+++ llvm-toolchain-snapshot_4.0~svn291557/clang/lib/Basic/Targets.cpp
@@ -2761,7 +2761,10 @@ class X86TargetInfo : public TargetInfo
--- llvm-toolchain-snapshot_5.0~svn304075.orig/clang/lib/Basic/Targets.cpp
+++ llvm-toolchain-snapshot_5.0~svn304075/clang/lib/Basic/Targets.cpp
@@ -2913,7 +2913,10 @@ class X86TargetInfo : public TargetInfo
FP_SSE,
FP_387
} FPMath = FP_Default;
@ -25,7 +25,7 @@ Index: llvm-toolchain-snapshot_4.0~svn291557/clang/lib/Basic/Targets.cpp
public:
X86TargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple) {
@@ -2882,6 +2885,8 @@ public:
@@ -3034,6 +3037,8 @@ public:
// acceptable.
// FIXME: This results in terrible diagnostics. Clang just says the CPU is
// invalid without explaining *why*.
@ -34,16 +34,16 @@ Index: llvm-toolchain-snapshot_4.0~svn291557/clang/lib/Basic/Targets.cpp
switch (CPU) {
case CK_Generic:
// No processor selected!
@@ -3949,7 +3954,7 @@ void X86TargetInfo::getTargetDefines(con
@@ -4163,7 +4168,7 @@ void X86TargetInfo::getTargetDefines(con
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
}
- if (CPU >= CK_i586)
+ if (isCmpXChg8Supported())
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
}
@@ -4250,8 +4255,6 @@ public:
if (HasFloat128)
@@ -4469,8 +4474,6 @@ public:
(1 << TargetInfo::LongDouble));
// x86-32 has atomics up to 8 bytes