From 8813f8fe71a49dff1bf2c486166fef7c935738fa Mon Sep 17 00:00:00 2001 From: uros Date: Thu, 5 Aug 2010 12:03:36 +0000 Subject: [PATCH] * expmed.c (expand_mult_const) : Expand shift into temporary. Emit move from temporary to accum, so REG_EQUAL note will be attached to this insn in correct mode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162910 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/expmed.c | 8 +++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3456501c8f91..0b0d41810576 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2010-08-05 Uros Bizjak + * expmed.c (expand_mult_const) : Expand shift into + temporary. Emit move from temporary to accum, so REG_EQUAL note will + be attached to this insn in correct mode. + +2010-08-05 Uros Bizjak + * config/i386/i386.c (ix86_decompose_address): Check for SI_REG using REGNO of base_reg directly. diff --git a/gcc/expmed.c b/gcc/expmed.c index ddace9f2e392..9aa5ff617c57 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -2904,9 +2904,11 @@ expand_mult_const (enum machine_mode mode, rtx op0, HOST_WIDE_INT val, switch (alg->op[opno]) { case alg_shift: - accum = expand_shift (LSHIFT_EXPR, mode, accum, - build_int_cst (NULL_TREE, log), - NULL_RTX, 0); + tem = expand_shift (LSHIFT_EXPR, mode, accum, + build_int_cst (NULL_TREE, log), + NULL_RTX, 0); + /* REG_EQUAL note will be attached to the following insn. */ + emit_move_insn (accum, tem); val_so_far <<= log; break; -- 2.11.4.GIT