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| author | Torbjorn Granlund <tege@gnu.org> | 1993-03-17 20:56:40 +0000 |
|---|---|---|
| committer | Torbjorn Granlund <tege@gnu.org> | 1993-03-17 20:56:40 +0000 |
| commit | e19ee6593aa1659a51cffd84139131f6922c52b3 (patch) | |
| tree | c21ea4f631dcbea7949ae6a5de882533eb0f6059 | |
| parent | 635c74203f7c41b1a407072a9ba8f386877693c6 (diff) | |
| download | gcc-e19ee6593aa1659a51cffd84139131f6922c52b3.zip gcc-e19ee6593aa1659a51cffd84139131f6922c52b3.tar.gz gcc-e19ee6593aa1659a51cffd84139131f6922c52b3.tar.bz2 | |
(branch-on-bit): New patterns.
From-SVN: r3764
| -rw-r--r-- | gcc/config/pa/pa.md | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md index 0f220c8..831107c 100644 --- a/gcc/config/pa/pa.md +++ b/gcc/config/pa/pa.md @@ -720,6 +720,59 @@ (const_int 1) (const_int 2)))]) +;; Branch on bit patterns + +(define_insn "" + [(set (pc) + (if_then_else + (ne (zero_extract:SI (match_operand:SI 0 "register_operand" "r") + (const_int 1) + (match_operand:SI 1 "uint5_operand" "")) + (const_int 0)) + (match_operand 2 "pc_or_label_operand" "") + (match_operand 3 "pc_or_label_operand" "")))] + "" + "* +{ + if (operands[3] == pc_rtx) + return (get_attr_length (insn) == 1 + ? \"bb,< %0,%1,%2%#\" : \"extrs,>= %0,%1,1,0\;bl %2,0%#\"); + else + return (get_attr_length (insn) == 1 + ? \"bb,>= %0,%1,%3%#\" : \"extrs,< %0,%1,1,0\;bl %3,0%#\"); +}" + [(set_attr "type" "cbranch") + (set (attr "length") (if_then_else (lt (abs (minus (match_dup 0) + (plus (pc) (const_int 2)))) + (const_int 1023)) + (const_int 1) + (const_int 2)))]) + +(define_insn "" + [(set (pc) + (if_then_else + (eq (zero_extract:SI (match_operand:SI 0 "register_operand" "r") + (const_int 1) + (match_operand:SI 1 "uint5_operand" "")) + (const_int 0)) + (match_operand 2 "pc_or_label_operand" "") + (match_operand 3 "pc_or_label_operand" "")))] + "" + "* +{ + if (operands[3] == pc_rtx) + return (get_attr_length (insn) == 1 + ? \"bb,>= %0,%1,%2%#\" : \"extrs,< %0,%1,1,0\;bl %2,0%#\"); + else + return (get_attr_length (insn) == 1 + ? \"bb,< %0,%1,%3%#\" : \"extrs,>= %0,%1,1,0\;bl %3,0%#\"); +}" + [(set_attr "type" "cbranch") + (set (attr "length") (if_then_else (lt (abs (minus (match_dup 0) + (plus (pc) (const_int 2)))) + (const_int 1023)) + (const_int 1) + (const_int 2)))]) ;; Floating point branches (define_insn "" |