Comment the use of the magic value '3' for the flag_omit_frame_pointer variable.
llvm-svn: 104067
diff --git a/llvm-gcc-4.2/gcc/config/i386/i386.c b/llvm-gcc-4.2/gcc/config/i386/i386.c
index 5bc6922..01858e8 100644
--- a/llvm-gcc-4.2/gcc/config/i386/i386.c
+++ b/llvm-gcc-4.2/gcc/config/i386/i386.c
@@ -2081,6 +2081,7 @@
if (flag_omit_frame_pointer)
target_flags &= ~MASK_OMIT_LEAF_FRAME_POINTER;
else if (TARGET_OMIT_LEAF_FRAME_POINTER)
+ /* LLVM LOCAL - Use '3' to indicate omitting leaf FPs only */
flag_omit_frame_pointer = 3;
/* If we're doing fast math, we don't care about comparison order
diff --git a/llvm-gcc-4.2/gcc/config/i386/i386.h b/llvm-gcc-4.2/gcc/config/i386/i386.h
index 9511af0..175bfe3 100644
--- a/llvm-gcc-4.2/gcc/config/i386/i386.h
+++ b/llvm-gcc-4.2/gcc/config/i386/i386.h
@@ -3955,6 +3955,8 @@
argvec.push_back("--code-model=default"); \
break; \
} \
+ /* A value of 3 in flag_omit_frame_pointer implies \
+ omitting leaf frame pointers only. */ \
if (flag_omit_frame_pointer == 3) \
argvec.push_back("--disable-non-leaf-fp-elim"); \
} while (0)
