From f8a7aec6043146576c90dd217ce6e380da9acb4a Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Wed, 28 Apr 2004 17:00:03 +0000 Subject: [PATCH] re PR target/15084 (-O/-O2 generate wrong code on structure modification) 2004-04-28 H.J. Lu PR target/15084 * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode and renamed to movdi_insv_1_rex64. (insv): Support SImode for 32bit and DImode for 64bit. From-SVN: r81254 --- gcc/ChangeLog | 7 +++++++ gcc/config/i386/i386.md | 21 ++++++++++++++------- 2 files changed, 21 insertions(+), 7 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f8e5f32154d9..d0d9931992d3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-04-28 H.J. Lu + + PR target/15084 + * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode + and renamed to movdi_insv_1_rex64. + (insv): Support SImode for 32bit and DImode for 64bit. + 2004-04-24 Richard Henderson PR bootstrap/14671 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 6c4e7f0be1ed..0130b1209702 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1690,11 +1690,11 @@ [(set_attr "type" "imov") (set_attr "mode" "QI")]) -(define_insn "*movsi_insv_1_rex64" - [(set (zero_extract:SI (match_operand 0 "ext_register_operand" "+Q") +(define_insn "movdi_insv_1_rex64" + [(set (zero_extract:DI (match_operand 0 "ext_register_operand" "+Q") (const_int 8) (const_int 8)) - (match_operand:SI 1 "nonmemory_operand" "Qn"))] + (match_operand:DI 1 "nonmemory_operand" "Qn"))] "TARGET_64BIT" "mov{b}\t{%b1, %h0|%h0, %b1}" [(set_attr "type" "imov") @@ -12422,10 +12422,10 @@ }) (define_expand "insv" - [(set (zero_extract:SI (match_operand 0 "ext_register_operand" "") - (match_operand:SI 1 "immediate_operand" "") - (match_operand:SI 2 "immediate_operand" "")) - (match_operand:SI 3 "register_operand" ""))] + [(set (zero_extract (match_operand 0 "ext_register_operand" "") + (match_operand 1 "immediate_operand" "") + (match_operand 2 "immediate_operand" "")) + (match_operand 3 "register_operand" ""))] "" { /* Handle extractions from %ah et al. */ @@ -12436,6 +12436,13 @@ matches the predicate, so check it again here. */ if (! register_operand (operands[0], VOIDmode)) FAIL; + + if (TARGET_64BIT) + emit_insn (gen_movdi_insv_1_rex64 (operands[0], operands[3])); + else + emit_insn (gen_movsi_insv_1 (operands[0], operands[3])); + + DONE; }) ;; %%% bts, btr, btc, bt. -- 2.47.2