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| author | Richard Guenther <rguenther@suse.de> | 2011-10-20 07:57:48 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-10-20 07:57:48 +0000 |
| commit | 67af611e2ef9b5d643a6f01ab1affd98f35df0c4 (patch) | |
| tree | b0c84c31a0f39f976eff0c2c59e11f247416c87d /gcc | |
| parent | 53e7c794d188d6c8a24a07777c4c5e86a0d74374 (diff) | |
| download | gcc-67af611e2ef9b5d643a6f01ab1affd98f35df0c4.zip gcc-67af611e2ef9b5d643a6f01ab1affd98f35df0c4.tar.gz gcc-67af611e2ef9b5d643a6f01ab1affd98f35df0c4.tar.bz2 | |
tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR and rotates to the set of expensive operations.
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.
From-SVN: r180237
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-im.c | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1da3491..9ef7e64 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +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. + 2011-10-19 David S. Miller <davem@davemloft.net> * config/sparc/sparc.c (sparc_expand_move): Use diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index cb52791..4bc9ffd 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; |