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| author | Uros Bizjak <ubizjak@gmail.com> | 2007-02-04 00:39:31 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2007-02-04 00:39:31 +0100 |
| commit | 28b02c60641c0bf1837079be29b712e3bce40178 (patch) | |
| tree | b33caba003687bed5a02b864dbe384a31e271908 /gcc/combine.c | |
| parent | 3855c807ceb26c6adc9774cd9b9f7793939978bf (diff) | |
| download | gcc-28b02c60641c0bf1837079be29b712e3bce40178.tar.gz | |
re PR middle-end/30667 (ICE in immed_double_const, at emit-rtl.c:468)
PR middle-end/30667
* combine.c (try_combine): Do not substitute source operand
with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
testsuite/ChangeLog:
PR middle-end/30667
* gfortran.dg/pr30667.f: New test.
From-SVN: r121555
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index aa1e2ce2034..6605b7a3558 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -2003,7 +2003,9 @@ try_combine (rtx i3, rtx i2, rtx i1, int *new_direct_jump_p) offset = -1; } - if (offset >= 0) + if (offset >= 0 + && (GET_MODE_BITSIZE (GET_MODE (SET_DEST (temp))) + <= HOST_BITS_PER_WIDE_INT * 2)) { HOST_WIDE_INT mhi, ohi, ihi; HOST_WIDE_INT mlo, olo, ilo; |