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| author | Jakub Jelinek <jakub@redhat.com> | 2004-11-27 10:39:00 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2004-11-27 10:39:00 +0100 |
| commit | b78b8bd83ec46cfbed0addd238d9dc6f831959b1 (patch) | |
| tree | 3c855f7b17093b28bc0452f6bb3ffd09773bdd73 /gcc/combine.c | |
| parent | fcfbdb74da074a4f5cbe0729db5437b11870c32e (diff) | |
| download | gcc-b78b8bd83ec46cfbed0addd238d9dc6f831959b1.zip gcc-b78b8bd83ec46cfbed0addd238d9dc6f831959b1.tar.gz gcc-b78b8bd83ec46cfbed0addd238d9dc6f831959b1.tar.bz2 | |
re PR rtl-optimization/17825 (ICE in reg_bitfield_target_p)
PR rtl-optimization/17825
* combine.c (subst): Ignore STRICT_LOW_PART no matter if REG_P (new)
or not.
* gcc.c-torture/compile/20041119-1.c: New test.
From-SVN: r91369
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index ce198bb..181a33e 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3556,10 +3556,10 @@ subst (rtx x, rtx from, rtx to, int in_dest, int unique_copy) /* If this is a register being set, ignore it. */ new = XEXP (x, i); if (in_dest - && (code == SUBREG || code == STRICT_LOW_PART - || code == ZERO_EXTRACT) && i == 0 - && REG_P (new)) + && (((code == SUBREG || code == ZERO_EXTRACT) + && REG_P (new)) + || code == STRICT_LOW_PART)) ; else if (COMBINE_RTX_EQUAL_P (XEXP (x, i), from)) |