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Commit 69792a41 authored by Chih-Hung Hsieh's avatar Chih-Hung Hsieh Committed by Android Git Automerger
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am d40a53b4: am 9a75b4ec: am d408e607: Merge "Disable tail call optimization... 

am d40a53b4: am 9a75b4ec: am d408e607: Merge "Disable tail call optimization and use -mstackrealign to boot up on fugu."

* commit 'd40a53b4':
  Disable tail call optimization and use -mstackrealign to boot up on fugu.
parents adc7e831 d40a53b4

core/clang/TARGET_x86.mk

+9 −1
Original line number Original line Diff line number Diff line
@@ -18,7 +18,15 @@ CLANG_CONFIG_x86_TARGET_EXTRA_CFLAGS := \ 
  $(CLANG_CONFIG_EXTRA_CFLAGS) \

  $(CLANG_CONFIG_EXTRA_CFLAGS) \

  $(CLANG_CONFIG_TARGET_EXTRA_CFLAGS) \

  $(CLANG_CONFIG_TARGET_EXTRA_CFLAGS) \

  $(CLANG_CONFIG_x86_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_x86_TARGET_EXTRA_CONLYFLAGS := \

  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \

  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \