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| author | Richard Kenner <kenner@gcc.gnu.org> | 1997-01-19 18:45:13 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1997-01-19 18:45:13 -0500 |
| commit | b85079b76ed8f485a8277a1e42940d6b7d93982e (patch) | |
| tree | bd989caea08527aa0a8a63d0d9828b902097d13a | |
| parent | 72eaa7a090fbe5306413e59993ad82b893ceaf09 (diff) | |
| download | gcc-b85079b76ed8f485a8277a1e42940d6b7d93982e.zip gcc-b85079b76ed8f485a8277a1e42940d6b7d93982e.tar.gz gcc-b85079b76ed8f485a8277a1e42940d6b7d93982e.tar.bz2 | |
(ashrdi_const, ashrdi3): Allow 31 as shift count.
From-SVN: r13528
| -rw-r--r-- | gcc/config/m68k/m68k.md | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md index 877f442..1ad55fc 100644 --- a/gcc/config/m68k/m68k.md +++ b/gcc/config/m68k/m68k.md @@ -4443,7 +4443,8 @@ "!TARGET_5200 && ((INTVAL (operands[2]) == 1 || INTVAL (operands[2]) == 2 || INTVAL (operands[2]) == 3 || INTVAL (operands[2]) == 8 - || INTVAL (operands[2]) == 16 || INTVAL (operands[2]) == 63))" + || INTVAL (operands[2]) == 16 || INTVAL (operands[2]) == 31 + || INTVAL (operands[2]) == 63))" "* { operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1); @@ -4456,6 +4457,8 @@ return \"move%.b %0,%1\;asr%.l %#8,%0\;ror%.l %#8,%1\"; else if (INTVAL (operands[2]) == 16) return \"move%.w %0,%1\;clr%.w %0\;swap %1\;ext%.l %0\"; + else if (INTVAL (operands[2]) == 31) + return \"add%.l %1,%1\;addx%.l %0,%0\;move%.l %0,%1\;subx%.l %0,%0\"; else if (INTVAL (operands[2]) == 2) return \"asr%.l %#1,%0\;roxr%.l %#1,%1\;asr%.l %#1,%0\;roxr%.l %#1,%1\"; else/* if (INTVAL (operands[2]) == 3)*/ @@ -4472,8 +4475,8 @@ if (GET_CODE (operands[2]) != CONST_INT || (INTVAL (operands[2]) != 1 && INTVAL (operands[2]) != 2 && INTVAL (operands[2]) != 3 && INTVAL (operands[2]) != 8 - && INTVAL (operands[2]) != 16 && INTVAL (operands[2]) != 32 - && INTVAL (operands[2]) != 63)) + && INTVAL (operands[2]) != 16 && INTVAL (operands[2]) != 31 + && INTVAL (operands[2]) != 32 && INTVAL (operands[2]) != 63)) FAIL; } ") |