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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/combine.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 47d63a6..01f8bd4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-11-30 Alan Matsuoka <alanm@redhat.com> + + * combine.c (combine_simplify_rtx) : Can't simplify + cases that use mode class MODE_CC. + 2001-12-11 Richard Henderson <rth@redhat.com> * expmed.c (expand_divmod): Ignore sdiv_pow2_cheap for modes in diff --git a/gcc/combine.c b/gcc/combine.c index 4a58e71..090f3df 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3796,6 +3796,8 @@ combine_simplify_rtx (x, op0_mode, last, in_dest) && subreg_lowpart_offset (mode, op0_mode) == SUBREG_BYTE (x)) return gen_lowpart_for_combine (mode, SUBREG_REG (x)); + if (GET_MODE_CLASS (GET_MODE (SUBREG_REG (x))) == MODE_CC) + break; { rtx temp; temp = simplify_subreg (mode, SUBREG_REG (x), op0_mode, |