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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-10-20 07:57:48 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-10-20 07:57:48 +0000 |
| commit | 23da77dd7e61f1117afe16854fe4203b3dd50626 (patch) | |
| tree | b0c84c31a0f39f976eff0c2c59e11f247416c87d /gcc/tree-ssa-loop-im.c | |
| parent | 0b08d3537e6ad5edd71629b6e004f9954f98f26e (diff) | |
| download | gcc-23da77dd7e61f1117afe16854fe4203b3dd50626.tar.gz | |
2011-10-20 Richard Guenther <rguenther@suse.de>
* tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR
and rotates to the set of expensive operations.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180237 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-im.c')
| -rw-r--r-- | gcc/tree-ssa-loop-im.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index cb527913d4f..4bc9ffd0eff 100644 --- a/gcc/tree-ssa-loop-im.c +++ b/gcc/tree-ssa-loop-im.c @@ -549,6 +549,11 @@ stmt_cost (gimple stmt) switch (gimple_assign_rhs_code (stmt)) { case MULT_EXPR: + case WIDEN_MULT_EXPR: + case WIDEN_MULT_PLUS_EXPR: + case WIDEN_MULT_MINUS_EXPR: + case DOT_PROD_EXPR: + case FMA_EXPR: case TRUNC_DIV_EXPR: case CEIL_DIV_EXPR: case FLOOR_DIV_EXPR: @@ -565,6 +570,9 @@ stmt_cost (gimple stmt) case LSHIFT_EXPR: case RSHIFT_EXPR: + case WIDEN_LSHIFT_EXPR: + case LROTATE_EXPR: + case RROTATE_EXPR: cost += 20; break; |