From 67af611e2ef9b5d643a6f01ab1affd98f35df0c4 Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Thu, 20 Oct 2011 07:57:48 +0000 Subject: [PATCH] tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR and rotates to the set of expensive operations. 2011-10-20 Richard Guenther * tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR and rotates to the set of expensive operations. From-SVN: r180237 --- gcc/ChangeLog | 5 +++++ gcc/tree-ssa-loop-im.c | 8 ++++++++ 2 files changed, 13 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1da349155d2b..9ef7e64c2c87 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-10-20 Richard Guenther + + * 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 * 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 cb527913d4f1..4bc9ffd0effc 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;