diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/simplify-rtx.c | 9 |
2 files changed, 8 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2ebe6cae03c..ba83cf992a4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-10-11 Richard Sandiford <rdsandiford@googlemail.com> + + * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for + all OLD_RTXes, not just REGs. Use copy_rtx to create the + replacement value. + 2009-10-11 Richard Guenther <rguenther@suse.de> * gimple.c (iterative_hash_type_name): Do not handle special diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 0450ea083f4..4e87d04abaf 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -365,8 +365,8 @@ simplify_replace_rtx (rtx x, const_rtx old_rtx, rtx new_rtx) to build a new expression substituting recursively. If we can't do anything, return our input. */ - if (x == old_rtx) - return new_rtx; + if (rtx_equal_p (x, old_rtx)) + return copy_rtx (new_rtx); switch (GET_RTX_CLASS (code)) { @@ -445,11 +445,6 @@ simplify_replace_rtx (rtx x, const_rtx old_rtx, rtx new_rtx) return x; return gen_rtx_LO_SUM (mode, op0, op1); } - else if (code == REG) - { - if (rtx_equal_p (x, old_rtx)) - return new_rtx; - } break; default: |