re PR target/65871 (bzhi builtin/intrinsic wrongly assumes bzhi instruction doesn't set the ZF flag)
PR target/65871 * config/i386/i386.md (*bmi_andn_<mode>_ccno): New pattern. testsuite/ChangeLog: PR target/65871 * gcc.target/i386/pr65871-3.c: New test. From-SVN: r222795
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Uros Bizjak
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@ -1,4 +1,9 @@
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2015-05-02 Jan Hubicka <hubicka@ucw.cz>
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2015-05-05 Uros Bizjak <ubizjak@gmail.com>
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PR target/65871
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* config/i386/i386.md (*bmi_andn_<mode>_ccno): New pattern.
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2015-05-04 Jan Hubicka <hubicka@ucw.cz>
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* tree.c (verify_type): Check various uses of TYPE_MAXVAL;
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fix overactive TYPE_MIN_VALUE check and add FIXME for type
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@ -438,8 +443,8 @@
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2015-04-29 Uros Bizjak <ubizjak@gmail.com>
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PR target/65871
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* config/i386/i386.md (*bmi_bextr_<mode>_cczonly): New pattern.
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(*bmi2_bzhi_<mode>3_1_cczonly): Ditto.
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* config/i386/i386.md (*bmi_bextr_<mode>_ccz): New pattern.
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(*bmi2_bzhi_<mode>3_1_ccz): Ditto.
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(setcc+movzbl peephole2): Check also clobbered reg.
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(setcc+andl peephole2): Ditto.
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@ -12554,10 +12554,9 @@
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;; BMI instructions.
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(define_insn "*bmi_andn_<mode>"
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[(set (match_operand:SWI48 0 "register_operand" "=r,r")
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(and:SWI48
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(not:SWI48
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(match_operand:SWI48 1 "register_operand" "r,r"))
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(match_operand:SWI48 2 "nonimmediate_operand" "r,m")))
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(and:SWI48
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(not:SWI48 (match_operand:SWI48 1 "register_operand" "r,r"))
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(match_operand:SWI48 2 "nonimmediate_operand" "r,m")))
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(clobber (reg:CC FLAGS_REG))]
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"TARGET_BMI"
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"andn\t{%2, %1, %0|%0, %1, %2}"
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@ -12565,11 +12564,25 @@
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(set_attr "btver2_decode" "direct, double")
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(set_attr "mode" "<MODE>")])
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(define_insn "*bmi_andn_<mode>_ccno"
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[(set (reg FLAGS_REG)
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(compare
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(and:SWI48
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(not:SWI48 (match_operand:SWI48 1 "register_operand" "r,r"))
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(match_operand:SWI48 2 "nonimmediate_operand" "r,m"))
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(const_int 0)))
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(clobber (match_scratch:SWI48 0 "=r,r"))]
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"TARGET_BMI && ix86_match_ccmode (insn, CCNOmode)"
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"andn\t{%2, %1, %0|%0, %1, %2}"
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[(set_attr "type" "bitmanip")
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(set_attr "btver2_decode" "direct, double")
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(set_attr "mode" "<MODE>")])
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(define_insn "bmi_bextr_<mode>"
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[(set (match_operand:SWI48 0 "register_operand" "=r,r")
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(unspec:SWI48 [(match_operand:SWI48 1 "nonimmediate_operand" "r,m")
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(match_operand:SWI48 2 "register_operand" "r,r")]
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UNSPEC_BEXTR))
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(unspec:SWI48 [(match_operand:SWI48 1 "nonimmediate_operand" "r,m")
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(match_operand:SWI48 2 "register_operand" "r,r")]
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UNSPEC_BEXTR))
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(clobber (reg:CC FLAGS_REG))]
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"TARGET_BMI"
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"bextr\t{%2, %1, %0|%0, %1, %2}"
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@ -12577,7 +12590,7 @@
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(set_attr "btver2_decode" "direct, double")
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(set_attr "mode" "<MODE>")])
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(define_insn "*bmi_bextr_<mode>_cczonly"
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(define_insn "*bmi_bextr_<mode>_ccz"
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[(set (reg:CCZ FLAGS_REG)
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(compare:CCZ
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(unspec:SWI48 [(match_operand:SWI48 1 "nonimmediate_operand" "r,m")
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@ -12680,7 +12693,7 @@
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(set_attr "prefix" "vex")
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(set_attr "mode" "<MODE>")])
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(define_insn "*bmi2_bzhi_<mode>3_1_cczonly"
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(define_insn "*bmi2_bzhi_<mode>3_1_ccz"
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[(set (reg:CCZ FLAGS_REG)
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(compare:CCZ
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(zero_extract:SWI48
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@ -1,3 +1,8 @@
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2015-05-05 Uros Bizjak <ubizjak@gmail.com>
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PR target/65871
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* gcc.target/i386/pr65871-3.c: New test.
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2015-05-04 Jeff Law <law@redhat.com>
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Revert:
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@ -174,7 +179,7 @@
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scan pattern.
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* gfortran.dg/bound_9.f90: New test case.
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2015-04-29 Uros Bizjak <ubizjak@gmail.com>
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2015-04-30 Uros Bizjak <ubizjak@gmail.com>
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* g++.dg/ipa/devirt-28a.C: Require LTO effective target.
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* g++.dg/ext/sync-4.C (dg-additional-options): Use -march=pentium
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@ -232,7 +237,7 @@
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2015-04-29 Uros Bizjak <ubizjak@gmail.com>
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PR target/65871
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* gcc.target/i386/pr65871-1.c: New test
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* gcc.target/i386/pr65871-1.c: New test.
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* gcc.target/i386/pr65871-2.c: Ditto.
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2015-04-29 Marek Polacek <polacek@redhat.com>
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@ -0,0 +1,20 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -mbmi" } */
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int foo (int x, int y)
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{
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if (~x & y)
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return 1;
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return 0;
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}
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int bar (int x, int y)
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{
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if ((~x & y) > 0)
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return 1;
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return 0;
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}
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/* { dg-final { scan-assembler-not "test" } } */
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