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author | Richard Stallman <rms@gnu.org> | 1992-09-05 03:22:36 +0000 |
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committer | Richard Stallman <rms@gnu.org> | 1992-09-05 03:22:36 +0000 |
commit | 8f0cc7f0c03d9583e9371de9db8ed2c48a84d68f (patch) | |
tree | 73d2ba5bb03f49af69c2a5c222f92c09b963525c /gcc | |
parent | dac45ea36e2d1e5997848ef0e39976a04ea85153 (diff) | |
download | gcc-8f0cc7f0c03d9583e9371de9db8ed2c48a84d68f.zip gcc-8f0cc7f0c03d9583e9371de9db8ed2c48a84d68f.tar.gz gcc-8f0cc7f0c03d9583e9371de9db8ed2c48a84d68f.tar.bz2 |
(mulsi3_big): Use low half of result.
Use offset 1 in subregs in actual fmlow insn.
(fmlow pattern): Split this into alternatives for big and little end.
From-SVN: r2055
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/config/i860/i860.md | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/gcc/config/i860/i860.md b/gcc/config/i860/i860.md index 46de393..86d166a 100644 --- a/gcc/config/i860/i860.md +++ b/gcc/config/i860/i860.md @@ -1725,9 +1725,9 @@ [(set (subreg:SI (match_dup 4) 1) (match_operand:SI 1 "general_operand" "")) (set (subreg:SI (match_dup 5) 1) (match_operand:SI 2 "general_operand" "")) (clobber (match_dup 3)) - (set (subreg:SI (match_dup 3) 0) - (mult:SI (subreg:SI (match_dup 4) 0) (subreg:SI (match_dup 5) 0))) - (set (match_operand:SI 0 "register_operand" "") (subreg:SI (match_dup 3) 0))] + (set (subreg:SI (match_dup 3) 1) + (mult:SI (subreg:SI (match_dup 4) 1) (subreg:SI (match_dup 5) 1))) + (set (match_operand:SI 0 "register_operand" "") (subreg:SI (match_dup 3) 1))] "WORDS_BIG_ENDIAN" " { @@ -1740,7 +1740,14 @@ [(set (subreg:SI (match_operand:DI 0 "register_operand" "=f") 0) (mult:SI (subreg:SI (match_operand:DI 1 "register_operand" "f") 0) (subreg:SI (match_operand:DI 2 "register_operand" "f") 0)))] - "" + "! WORDS_BIG_ENDIAN" + "fmlow.dd %2,%1,%0") + +(define_insn "" + [(set (subreg:SI (match_operand:DI 0 "register_operand" "=f") 1) + (mult:SI (subreg:SI (match_operand:DI 1 "register_operand" "f") 1) + (subreg:SI (match_operand:DI 2 "register_operand" "f") 1)))] + "WORDS_BIG_ENDIAN" "fmlow.dd %2,%1,%0") ;;- and instructions (with compliment also) |