diff options
| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-03 15:35:52 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-03 15:35:52 +0000 |
| commit | 81747544ba9eeb8143a39537d34fe70fe76f1898 (patch) | |
| tree | e5fef72222c55492804f063aeaff14e113ce5a35 | |
| parent | 953d8c1262a417ca5d04a76e565bb6b244274a1c (diff) | |
| download | ppe42-gcc-81747544ba9eeb8143a39537d34fe70fe76f1898.tar.gz ppe42-gcc-81747544ba9eeb8143a39537d34fe70fe76f1898.zip | |
gcc/
PR middle-end/33290
* optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
before forcing them into a register.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128048 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/optabs.c | 8 |
2 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9bdd53f6a01..3526e61feae 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2007-09-03 Richard Sandiford <richard@codesourcery.com> + PR middle-end/33290 + * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs + before forcing them into a register. + +2007-09-03 Richard Sandiford <richard@codesourcery.com> + * config/mips/mips.md (fetchop_bit): Use define_code_iterator rather than define_code_macro. diff --git a/gcc/optabs.c b/gcc/optabs.c index fee7c5039cc..8d0139e8fca 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -1290,7 +1290,13 @@ avoid_expensive_constant (enum machine_mode mode, optab binoptab, && CONSTANT_P (x) && rtx_cost (x, binoptab->code) > COSTS_N_INSNS (1)) { - if (GET_MODE (x) != VOIDmode) + if (GET_CODE (x) == CONST_INT) + { + HOST_WIDE_INT intval = trunc_int_for_mode (INTVAL (x), mode); + if (intval != INTVAL (x)) + x = GEN_INT (intval); + } + else x = convert_modes (mode, VOIDmode, x, unsignedp); x = force_reg (mode, x); } |
