From bd7a45c47a19a538b45bbc2f79839536bfbb6f75 Mon Sep 17 00:00:00 2001 From: pbrook Date: Tue, 17 Oct 2006 01:04:27 +0000 Subject: [PATCH] 2006-10-17 Paul Brook * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117809 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 4 ++++ gcc/config/arm/arm.c | 8 ++++++++ 2 files changed, 12 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 877b768cf57..15b1a70da01 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2006-10-17 Paul Brook + + * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate. + 2006-10-16 Brooks Moses * doc/contrib.texi, doc/install.texi, doc/standards.texi: diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index ff5831f4325..98b2d6008bb 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -4465,6 +4465,14 @@ arm_rtx_costs_1 (rtx x, enum rtx_code code, enum rtx_code outer) /* Fall through */ case PLUS: + if (GET_CODE (XEXP (x, 0)) == MULT) + { + extra_cost = rtx_cost (XEXP (x, 0), code); + if (!REG_OR_SUBREG_REG (XEXP (x, 1))) + extra_cost += 4 * ARM_NUM_REGS (mode); + return extra_cost; + } + if (GET_MODE_CLASS (mode) == MODE_FLOAT) return (2 + (REG_OR_SUBREG_REG (XEXP (x, 0)) ? 0 : 8) + ((REG_OR_SUBREG_REG (XEXP (x, 1)) -- 2.11.4.GIT