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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-09-25 17:44:09 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-09-25 17:44:09 +0000 |
| commit | 8a7af1a8cbc6957a05c9e1ad073e63a9db9f8aa4 (patch) | |
| tree | 6d7aed6b1f0dfc7a7d16ba327ff3375278ce95ac /gcc/emit-rtl.c | |
| parent | b374dce738920a1a0f0d180124c984558d78b0e3 (diff) | |
| download | gcc-8a7af1a8cbc6957a05c9e1ad073e63a9db9f8aa4.tar.gz | |
* emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
UNITS_PER_WORD is small.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36625 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index ac5e9655c36..2a4bdb9fcdb 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -707,7 +707,8 @@ gen_lowpart_common (mode, x) return gen_rtx_fmt_e (GET_CODE (x), mode, XEXP (x, 0)); } else if (GET_CODE (x) == SUBREG - && (GET_MODE_SIZE (mode) <= UNITS_PER_WORD + && (GET_MODE_SIZE (mode) <= GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))) + || GET_MODE_SIZE (mode) <= UNITS_PER_WORD || GET_MODE_SIZE (mode) == GET_MODE_UNIT_SIZE (GET_MODE (x)))) return (GET_MODE (SUBREG_REG (x)) == mode && SUBREG_WORD (x) == 0 ? SUBREG_REG (x) |