From 0538ed1d3602ec756085c09f3213b0fe7e8428ec Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Mon, 18 Mar 2019 09:16:56 +0000 Subject: [PATCH] re PR target/87561 (416.gamess is slower by ~10% starting from r264866 with -Ofast) 2019-03-18 Richard Biener PR target/87561 * config/i386/i386.c (ix86_add_stmt_cost): Apply strided load pessimization to stores as well. From-SVN: r269753 --- gcc/ChangeLog | 6 ++++++ gcc/config/i386/i386.c | 5 +++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7580713c8cf..a67a0bf7441 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-03-18 Richard Biener + + PR target/87561 + * config/i386/i386.c (ix86_add_stmt_cost): Apply strided + load pessimization to stores as well. + 2019-03-18 Andrey Belevantsev PR middle-end/86979 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 70e10119213..67af1374ed6 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -50564,9 +50564,10 @@ ix86_add_stmt_cost (void *data, int count, enum vect_cost_for_stmt kind, latency and execution resources for the many scalar loads (AGU and load ports). Try to account for this by scaling the construction cost by the number of elements involved. */ - if (kind == vec_construct + if ((kind == vec_construct || kind == vec_to_scalar) && stmt_info - && STMT_VINFO_TYPE (stmt_info) == load_vec_info_type + && (STMT_VINFO_TYPE (stmt_info) == load_vec_info_type + || STMT_VINFO_TYPE (stmt_info) == store_vec_info_type) && STMT_VINFO_MEMORY_ACCESS_TYPE (stmt_info) == VMAT_ELEMENTWISE && TREE_CODE (DR_STEP (STMT_VINFO_DATA_REF (stmt_info))) != INTEGER_CST) { -- 2.30.2