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llvm-svn: 33998
This commit is contained in:
Evan Cheng 2007-02-07 08:37:57 +00:00
parent b5519b5361
commit 2ff0d3a2ab
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4
llvm/lib/Target/ARM/README-Thumb.txt
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@ -141,3 +141,7 @@ cheaper sequnce if we know it's ok to clobber the condition register.
add r2, sp, #255 * 4
add r2, #132
ldr r2, [r2, #7 * 4]
This is especially bad when dynamic alloca is used. The all fixed size stack
objects are referenced off the frame pointer with negative offsets. See
oggenc for an example.