diff options
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/i386.md | 77 |
1 files changed, 54 insertions, 23 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 1a3a179..2231204 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -13615,12 +13615,15 @@ (define_expand "bmi2_bzhi_<mode>3" [(parallel [(set (match_operand:SWI48 0 "register_operand") - (zero_extract:SWI48 - (match_operand:SWI48 1 "nonimmediate_operand") - (umin:SWI48 - (and:SWI48 (match_operand:SWI48 2 "register_operand") - (const_int 255)) - (match_dup 3)) + (if_then_else:SWI48 + (ne:QI (and:SWI48 (match_operand:SWI48 2 "register_operand") + (const_int 255)) + (const_int 0)) + (zero_extract:SWI48 + (match_operand:SWI48 1 "nonimmediate_operand") + (umin:SWI48 (and:SWI48 (match_dup 2) (const_int 255)) + (match_dup 3)) + (const_int 0)) (const_int 0))) (clobber (reg:CC FLAGS_REG))])] "TARGET_BMI2" @@ -13628,12 +13631,15 @@ (define_insn "*bmi2_bzhi_<mode>3" [(set (match_operand:SWI48 0 "register_operand" "=r") - (zero_extract:SWI48 - (match_operand:SWI48 1 "nonimmediate_operand" "rm") - (umin:SWI48 - (and:SWI48 (match_operand:SWI48 2 "register_operand" "r") - (const_int 255)) - (match_operand:SWI48 3 "const_int_operand" "n")) + (if_then_else:SWI48 + (ne:QI (and:SWI48 (match_operand:SWI48 2 "register_operand" "r") + (const_int 255)) + (const_int 0)) + (zero_extract:SWI48 + (match_operand:SWI48 1 "nonimmediate_operand" "rm") + (umin:SWI48 (and:SWI48 (match_dup 2) (const_int 255)) + (match_operand:SWI48 3 "const_int_operand" "n")) + (const_int 0)) (const_int 0))) (clobber (reg:CC FLAGS_REG))] "TARGET_BMI2 && INTVAL (operands[3]) == <MODE_SIZE> * BITS_PER_UNIT" @@ -13644,11 +13650,13 @@ (define_insn "*bmi2_bzhi_<mode>3_1" [(set (match_operand:SWI48 0 "register_operand" "=r") - (zero_extract:SWI48 - (match_operand:SWI48 1 "nonimmediate_operand" "rm") - (umin:SWI48 - (zero_extend:SWI48 (match_operand:QI 2 "register_operand" "r")) - (match_operand:SWI48 3 "const_int_operand" "n")) + (if_then_else:SWI48 + (ne:QI (match_operand:QI 2 "register_operand" "r") (const_int 0)) + (zero_extract:SWI48 + (match_operand:SWI48 1 "nonimmediate_operand" "rm") + (umin:SWI48 (zero_extend:SWI48 (match_dup 2)) + (match_operand:SWI48 3 "const_int_operand" "n")) + (const_int 0)) (const_int 0))) (clobber (reg:CC FLAGS_REG))] "TARGET_BMI2 && INTVAL (operands[3]) == <MODE_SIZE> * BITS_PER_UNIT" @@ -13660,11 +13668,13 @@ (define_insn "*bmi2_bzhi_<mode>3_1_ccz" [(set (reg:CCZ FLAGS_REG) (compare:CCZ - (zero_extract:SWI48 - (match_operand:SWI48 1 "nonimmediate_operand" "rm") - (umin:SWI48 - (zero_extend:SWI48 (match_operand:QI 2 "register_operand" "r")) - (match_operand:SWI48 3 "const_int_operand" "n")) + (if_then_else:SWI48 + (ne:QI (match_operand:QI 2 "register_operand" "r") (const_int 0)) + (zero_extract:SWI48 + (match_operand:SWI48 1 "nonimmediate_operand" "rm") + (umin:SWI48 (zero_extend:SWI48 (match_dup 2)) + (match_operand:SWI48 3 "const_int_operand" "n")) + (const_int 0)) (const_int 0)) (const_int 0))) (clobber (match_scratch:SWI48 0 "=r"))] @@ -13697,7 +13707,28 @@ (set_attr "mode" "<MODE>")]) ;; TBM instructions. -(define_insn "tbm_bextri_<mode>" +(define_expand "tbm_bextri_<mode>" + [(parallel + [(set (match_operand:SWI48 0 "register_operand") + (zero_extract:SWI48 + (match_operand:SWI48 1 "nonimmediate_operand") + (match_operand 2 "const_0_to_255_operand" "N") + (match_operand 3 "const_0_to_255_operand" "N"))) + (clobber (reg:CC FLAGS_REG))])] + "TARGET_TBM" +{ + if (operands[2] == const0_rtx + || INTVAL (operands[3]) >= <MODE_SIZE> * BITS_PER_UNIT) + { + emit_move_insn (operands[0], const0_rtx); + DONE; + } + if (INTVAL (operands[2]) + INTVAL (operands[3]) + > <MODE_SIZE> * BITS_PER_UNIT) + operands[2] = GEN_INT (<MODE_SIZE> * BITS_PER_UNIT - INTVAL (operands[3])); +}) + +(define_insn "*tbm_bextri_<mode>" [(set (match_operand:SWI48 0 "register_operand" "=r") (zero_extract:SWI48 (match_operand:SWI48 1 "nonimmediate_operand" "rm") |