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author
rms
<rms@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 29 Jun 1993 22:05:11 +0000
(22:05 +0000)
committer
rms
<rms@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 29 Jun 1993 22:05:11 +0000
(22:05 +0000)
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@4797
138bc75d
-0d04-0410-961f-
82ee72b054a4
gcc/combine.c
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diff --git
a/gcc/combine.c
b/gcc/combine.c
index
d6c1ef8
..
fb63387
100644
(file)
--- a/
gcc/combine.c
+++ b/
gcc/combine.c
@@
-3997,7
+3997,7
@@
subst (x, from, to, in_dest, unique_copy)
means that we only care about the low bits of the result.
However, on most machines (those with neither BYTE_LOADS_ZERO_EXTEND
- nor BYTE
S
_LOADS_SIGN_EXTEND defined), we cannot perform a
+ nor BYTE_LOADS_SIGN_EXTEND defined), we cannot perform a
narrower operation that requested since the high-order bits will
be undefined. On machine where BYTE_LOADS_*_EXTEND is defined,
however, this transformation is safe as long as M1 and M2 have