From f369372b41c29447cdfdbe227d74a41c4e0327c5 Mon Sep 17 00:00:00 2001 From: Segher Boessenkool Date: Tue, 12 May 2015 15:44:25 +0200 Subject: [PATCH] rs6000.md (define_split for bswaphi): Don't use zero_extract. * config/rs6000/rs6000.md (define_split for bswaphi): Don't use zero_extract. From-SVN: r223069 --- gcc/ChangeLog | 5 +++++ gcc/config/rs6000/rs6000.md | 8 +++----- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f084795cda9..4f7b7a10ed1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-05-12 Segher Boessenkool + + * config/rs6000/rs6000.md (define_split for bswaphi): Don't use + zero_extract. + 2015-05-12 Segher Boessenkool * combine.c (recog_for_combine_1): New function, factored out diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index acf890cbdf4..4bd16ee0815 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -2184,17 +2184,15 @@ [(set_attr "length" "4,4,12") (set_attr "type" "load,store,*")]) -;; We are always BITS_BIG_ENDIAN, so the (const_int 16) below is -;; correct for -mlittle as well as -mbig. (define_split [(set (match_operand:HI 0 "gpc_reg_operand" "") (bswap:HI (match_operand:HI 1 "gpc_reg_operand" ""))) (clobber (match_operand:SI 2 "gpc_reg_operand" ""))] "reload_completed" [(set (match_dup 3) - (zero_extract:SI (match_dup 4) - (const_int 8) - (const_int 16))) + (and:SI (lshiftrt:SI (match_dup 4) + (const_int 8)) + (const_int 255))) (set (match_dup 2) (and:SI (ashift:SI (match_dup 4) (const_int 8))