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(mulsi3_little, mulsi3_big): New define_expand patterns.

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(mulsi3): Just use one of them.

From-SVN: r1668
This commit is contained in:
Richard Stallman 1992-07-23 06:07:10 +00:00
parent 4e28fa0063
commit eeab6966e9
1 changed files with 31 additions and 0 deletions
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31
gcc/config/i860/i860.md
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@ -1698,6 +1698,37 @@
(set (match_operand:SI 0 "register_operand" "") (subreg:SI (match_dup 3) 0))]
""
"
{
if (WORDS_BIG_ENDIAN)
return gen_mulsi3_big (operands[0], operands[1], operands[2]);
else
return gen_mulsi3_little (operands[0], operands[1], operands[2]);
}")
(define_expand "mulsi3_little"
[(set (subreg:SI (match_dup 4) 0) (match_operand:SI 1 "general_operand" ""))
(set (subreg:SI (match_dup 5) 0) (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))]
"! WORDS_BIG_ENDIAN"
"
{
operands[3] = gen_reg_rtx (DImode);
operands[4] = gen_reg_rtx (DImode);
operands[5] = gen_reg_rtx (DImode);
}")
(define_expand "mulsi3_big"
[(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))]
"WORDS_BIG_ENDIAN"
"
{
operands[3] = gen_reg_rtx (DImode);
operands[4] = gen_reg_rtx (DImode);