From c7b7749d9f2c68ca4f9cda52b21ef690aef009bd Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Thu, 10 May 2018 16:50:59 +0200 Subject: re PR tree-optimization/85693 (Generation of SAD (Sum of Absolute Difference) instruction) PR target/85693 * config/i386/sse.md (usadv64qi): New expander. From-SVN: r260117 --- gcc/ChangeLog | 5 +++++ gcc/config/i386/sse.md | 15 +++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0bb6bd2..9b4684c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-05-10 Uros Bizjak + + PR target/85693 + * config/i386/sse.md (usadv64qi): New expander. + 2018-05-10 Segher Boessenkool * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index ae6294e..0e625a4 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -10878,6 +10878,21 @@ DONE; }) +(define_expand "usadv64qi" + [(match_operand:V16SI 0 "register_operand") + (match_operand:V64QI 1 "register_operand") + (match_operand:V64QI 2 "nonimmediate_operand") + (match_operand:V16SI 3 "nonimmediate_operand")] + "TARGET_AVX512BW" +{ + rtx t1 = gen_reg_rtx (V8DImode); + rtx t2 = gen_reg_rtx (V16SImode); + emit_insn (gen_avx512f_psadbw (t1, operands[1], operands[2])); + convert_move (t2, t1, 0); + emit_insn (gen_addv16si3 (operands[0], t2, operands[3])); + DONE; +}) + (define_insn "ashr3" [(set (match_operand:VI248_AVX512BW_1 0 "register_operand" "=v,v") (ashiftrt:VI248_AVX512BW_1 -- cgit v1.1