diff options
| -rw-r--r-- | core/clang/TARGET_x86.mk | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/core/clang/TARGET_x86.mk b/core/clang/TARGET_x86.mk index a6b2a6f..3ba34ae 100644 --- a/core/clang/TARGET_x86.mk +++ b/core/clang/TARGET_x86.mk @@ -18,7 +18,15 @@ CLANG_CONFIG_x86_TARGET_EXTRA_CFLAGS := \ $(CLANG_CONFIG_EXTRA_CFLAGS) \ $(CLANG_CONFIG_TARGET_EXTRA_CFLAGS) \ $(CLANG_CONFIG_x86_EXTRA_CFLAGS) \ - $(CLANG_CONFIG_x86_TARGET_EXTRA_ASFLAGS) + $(CLANG_CONFIG_x86_TARGET_EXTRA_ASFLAGS) \ + -fno-optimize-sibling-calls \ + -mstackrealign + +# http://llvm.org/bugs/show_bug.cgi?id=15086, +# llvm tail call optimization is wrong for x86. +# -mstackrealign is needed to realign stack in native code +# that could be called from JNI, so that movaps instruction +# will work on assumed stack aligned local variables. CLANG_CONFIG_x86_TARGET_EXTRA_CONLYFLAGS := \ $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \ |