From 81cff75ff9178e9344e1f4c8935ffd451f66632f Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Fri, 2 Dec 2016 19:48:35 +0100 Subject: [PATCH] re PR target/70322 (STV doesn't optimize andn) PR target/70322 * config/i386/i386.md (*andndi3_doubleword): Add non-BMI alternative and corresponding post-reload splitter. testsuite/ChangeLog: PR target/70322 * gcc.target/i386/pr70322-2.c (dg-final): Remove xfail. From-SVN: r243202 --- gcc/ChangeLog | 6 ++++ gcc/config/i386/i386.md | 51 +++++++++++++++++++++++-------- gcc/testsuite/ChangeLog | 5 +++ gcc/testsuite/gcc.target/i386/pr70322-2.c | 2 +- 4 files changed, 51 insertions(+), 13 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7957649..ee603c4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-12-02 Uros Bizjak + + PR target/70322 + * config/i386/i386.md (*andndi3_doubleword): Add non-BMI alternative + and corresponding post-reload splitter. + 2016-12-02 Kyrylo Tkachov * config/aarch64/aarch64.h (machine_function): Add diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index da7cb07..773f29b 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -8534,15 +8534,24 @@ operands[2] = gen_lowpart (QImode, operands[2]); }) -(define_insn_and_split "*andndi3_doubleword" - [(set (match_operand:DI 0 "register_operand" "=r") +(define_insn "*andndi3_doubleword" + [(set (match_operand:DI 0 "register_operand" "=r,&r") (and:DI - (not:DI (match_operand:DI 1 "register_operand" "r")) - (match_operand:DI 2 "nonimmediate_operand" "rm"))) + (not:DI (match_operand:DI 1 "register_operand" "r,0")) + (match_operand:DI 2 "nonimmediate_operand" "rm,rm"))) (clobber (reg:CC FLAGS_REG))] - "TARGET_BMI && !TARGET_64BIT && TARGET_STV && TARGET_SSE2" + "!TARGET_64BIT && TARGET_STV && TARGET_SSE2" "#" - "&& reload_completed" + [(set_attr "isa" "bmi,*")]) + +(define_split + [(set (match_operand:DI 0 "register_operand") + (and:DI + (not:DI (match_operand:DI 1 "register_operand")) + (match_operand:DI 2 "nonimmediate_operand"))) + (clobber (reg:CC FLAGS_REG))] + "!TARGET_64BIT && TARGET_BMI && TARGET_STV && TARGET_SSE2 + && reload_completed" [(parallel [(set (match_dup 0) (and:SI (not:SI (match_dup 1)) (match_dup 2))) (clobber (reg:CC FLAGS_REG))]) @@ -8551,6 +8560,24 @@ (clobber (reg:CC FLAGS_REG))])] "split_double_mode (DImode, &operands[0], 3, &operands[0], &operands[3]);") +(define_split + [(set (match_operand:DI 0 "register_operand") + (and:DI + (not:DI (match_dup 0)) + (match_operand:DI 1 "nonimmediate_operand"))) + (clobber (reg:CC FLAGS_REG))] + "!TARGET_64BIT && !TARGET_BMI && TARGET_STV && TARGET_SSE2 + && reload_completed" + [(set (match_dup 0) (not:SI (match_dup 0))) + (parallel [(set (match_dup 0) + (and:SI (match_dup 0) (match_dup 1))) + (clobber (reg:CC FLAGS_REG))]) + (set (match_dup 2) (not:SI (match_dup 2))) + (parallel [(set (match_dup 2) + (and:SI (match_dup 2) (match_dup 3))) + (clobber (reg:CC FLAGS_REG))])] + "split_double_mode (DImode, &operands[0], 2, &operands[0], &operands[2]);") + (define_insn "*andn_1" [(set (match_operand:SWI48 0 "register_operand" "=r,r") (and:SWI48 @@ -9312,6 +9339,12 @@ ;; One complement instructions +(define_expand "one_cmpl2" + [(set (match_operand:SWIM1248x 0 "nonimmediate_operand") + (not:SWIM1248x (match_operand:SWIM1248x 1 "nonimmediate_operand")))] + "" + "ix86_expand_unary_operator (NOT, mode, operands); DONE;") + (define_insn_and_split "*one_cmpldi2_doubleword" [(set (match_operand:DI 0 "nonimmediate_operand" "=rm") (not:DI (match_operand:DI 1 "nonimmediate_operand" "0")))] @@ -9325,12 +9358,6 @@ (not:SI (match_dup 3)))] "split_double_mode (DImode, &operands[0], 2, &operands[0], &operands[2]);") -(define_expand "one_cmpl2" - [(set (match_operand:SWIM1248x 0 "nonimmediate_operand") - (not:SWIM1248x (match_operand:SWIM1248x 1 "nonimmediate_operand")))] - "" - "ix86_expand_unary_operator (NOT, mode, operands); DONE;") - (define_insn "*one_cmpl2_1" [(set (match_operand:SWI248 0 "nonimmediate_operand" "=rm") (not:SWI248 (match_operand:SWI248 1 "nonimmediate_operand" "0")))] diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d7b90d6..261731c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-12-02 Uros Bizjak + + PR target/70322 + * gcc.target/i386/pr70322-2.c (dg-final): Remove xfail. + 2016-12-02 Steven G. Kargl PR fortran/78618 diff --git a/gcc/testsuite/gcc.target/i386/pr70322-2.c b/gcc/testsuite/gcc.target/i386/pr70322-2.c index 7c5d0be..a683b6d 100644 --- a/gcc/testsuite/gcc.target/i386/pr70322-2.c +++ b/gcc/testsuite/gcc.target/i386/pr70322-2.c @@ -1,7 +1,7 @@ /* PR target/70322 */ /* { dg-do compile { target ia32 } } */ /* { dg-options "-O2 -msse2 -mstv -mno-bmi" } */ -/* { dg-final { scan-assembler "pandn" { xfail *-*-* } } } */ +/* { dg-final { scan-assembler "pandn" } } */ extern long long z; -- 2.7.4