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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/combine.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ba9356f..de70309 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2003-07-16 Roger Sayle <roger@eyesopen.com> + * combine.c (subst): Also handle (subreg (const_double ...)) case + if created by a substitution, by using the original inner mode. + +2003-07-16 Roger Sayle <roger@eyesopen.com> + * simplify-rtx.c (simplify_replace_rtx): Convert constant comparisons to MODE_FLOAT constants if FLOAT_STORE_FLAG_VALUE is defined. (simplify_rtx): Likewise. Simplify (lo_sum (high X) X) as X. diff --git a/gcc/combine.c b/gcc/combine.c index 3c3172b..5a75201 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3476,7 +3476,9 @@ subst (rtx x, rtx from, rtx to, int in_dest, int unique_copy) if (GET_CODE (new) == CLOBBER && XEXP (new, 0) == const0_rtx) return new; - if (GET_CODE (new) == CONST_INT && GET_CODE (x) == SUBREG) + if (GET_CODE (x) == SUBREG + && (GET_CODE (new) == CONST_INT + || GET_CODE (new) == CONST_DOUBLE)) { enum machine_mode mode = GET_MODE (x); |