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| author | Oleg Endo <olegendo@gcc.gnu.org> | 2016-02-13 00:50:25 +0000 |
|---|---|---|
| committer | Oleg Endo <olegendo@gcc.gnu.org> | 2016-02-13 00:50:25 +0000 |
| commit | 7e05dad86b2e9eb37c40c9fa2d8de7513e3474c2 (patch) | |
| tree | 2294a92ac08d1206d74c43b39365ec35a39d013b /gcc/config/sh | |
| parent | cd544f0db9789bfa5a11d5e04c5376ee6946154b (diff) | |
| download | gcc-7e05dad86b2e9eb37c40c9fa2d8de7513e3474c2.zip gcc-7e05dad86b2e9eb37c40c9fa2d8de7513e3474c2.tar.gz gcc-7e05dad86b2e9eb37c40c9fa2d8de7513e3474c2.tar.bz2 | |
re PR target/67636 ([SH] gcc.target/sh/pr54236-1.c failures)
gcc/
PR target/67636
PR target/64345
* config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
gcc/testsuite/
PR target/67636
PR target/64345
* gcc.target/sh/pr54236-1.c: Adjust optimization level.
From-SVN: r233397
Diffstat (limited to 'gcc/config/sh')
| -rw-r--r-- | gcc/config/sh/sh.md | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index 203215a..b5b0f95 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -14616,6 +14616,31 @@ label: [(set (reg:SI T_REG) (zero_extract:SI (match_dup 0) (const_int 1) (match_dup 1)))]) +(define_insn_and_split "*zero_extract_3" + [(set (match_operand:SI 0 "arith_reg_dest") + (and:SI (lshiftrt:SI (match_operand:SI 1 "arith_reg_operand") + (match_operand 2 "const_int_operand")) + (match_operand 3 "const_int_operand"))) + (clobber (reg:SI T_REG))] + "TARGET_SH1 && can_create_pseudo_p () + && exact_log2 (INTVAL (operands[3])) >= 0" + "#" + "&& 1" + [(const_int 0)] +{ + int rshift = INTVAL (operands[2]); + int lshift = exact_log2 (INTVAL (operands[3])); + + rtx tmp = gen_reg_rtx (SImode); + emit_insn (gen_rtx_PARALLEL (VOIDmode, + gen_rtvec (2, + gen_rtx_SET (tmp, + gen_rtx_ZERO_EXTRACT (SImode, operands[1], const1_rtx, + GEN_INT (rshift + lshift))), + gen_rtx_CLOBBER (VOIDmode, get_t_reg_rtx ())))); + emit_insn (gen_ashlsi3 (operands[0], tmp, GEN_INT (lshift))); +}) + ;; ------------------------------------------------------------------------- ;; SH2A instructions for bitwise operations. ;; FIXME: Convert multiple instruction insns to insn_and_split. |