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| author | H.J. Lu <hjl@gcc.gnu.org> | 2012-08-08 06:39:33 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2012-08-08 06:39:33 -0700 |
| commit | 3b1e1a029a93f57ad64209560f00c2ec1f24fdfe (patch) | |
| tree | 5a809c37df1938d156b3f35a25564342c3c68d22 /gcc/combine.c | |
| parent | d05e383bc7a06abdc444ff6f42a91fdce0ff3551 (diff) | |
| download | gcc-3b1e1a029a93f57ad64209560f00c2ec1f24fdfe.zip gcc-3b1e1a029a93f57ad64209560f00c2ec1f24fdfe.tar.gz gcc-3b1e1a029a93f57ad64209560f00c2ec1f24fdfe.tar.bz2 | |
Don't return identity for CONST or symbolic reference
gcc/
PR rtl-optimization/54157
* combine.c (gen_lowpart_for_combine): Don't return identity
for CONST or symbolic reference.
gcc/testsuite/
PR rtl-optimization/54157
* gcc.target/i386/pr54157.c: New file.
From-SVN: r190228
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 495e129..2b91eb9 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -10634,13 +10634,6 @@ gen_lowpart_for_combine (enum machine_mode omode, rtx x) if (omode == imode) return x; - /* Return identity if this is a CONST or symbolic reference. */ - if (omode == Pmode - && (GET_CODE (x) == CONST - || GET_CODE (x) == SYMBOL_REF - || GET_CODE (x) == LABEL_REF)) - return x; - /* We can only support MODE being wider than a word if X is a constant integer or has a mode the same size. */ if (GET_MODE_SIZE (omode) > UNITS_PER_WORD |