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i386.md (movsfcc_1): Support integer cmove instruction.

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* i386.md (movsfcc_1): Support integer cmove instruction.
	(movdfcc_1): Likewise; new splitter.

From-SVN: r39648
This commit is contained in:
Jan Hubicka 2001-02-14 00:12:49 +01:00 • committed by Jan Hubicka
parent 0644b62861
commit 7093c9eac4
2 changed files with 43 additions and 13 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
* i386.md (movsfcc_1): Support integer cmove instruction.
(movdfcc_1): Likewise; new splitter.
Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
* i386.c (output_fp_compare): Support SSE.

51
gcc/config/i386/i386.md
View file

@ -12000,17 +12000,20 @@
"if (! ix86_expand_fp_movcc (operands)) FAIL; DONE;")
(define_insn "*movsfcc_1"
[(set (match_operand:SF 0 "register_operand" "=f,f")
[(set (match_operand:SF 0 "register_operand" "=f,f,r,r")
(if_then_else:SF (match_operator 1 "fcmov_comparison_operator"
[(reg 17) (const_int 0)])
(match_operand:SF 2 "register_operand" "f,0")
(match_operand:SF 3 "register_operand" "0,f")))]
"TARGET_CMOVE"
(match_operand:SF 2 "nonimmediate_operand" "f,0,rm,0")
(match_operand:SF 3 "nonimmediate_operand" "0,f,0,rm")))]
"TARGET_CMOVE
&& (GET_CODE (operands[2]) != MEM || GET_CODE (operands[3]) != MEM)"
"@
fcmov%F1\\t{%2, %0|%0, %2}
fcmov%f1\\t{%3, %0|%0, %3}"
[(set_attr "type" "fcmov")
(set_attr "mode" "SF")])
fcmov%f1\\t{%3, %0|%0, %3}
cmov%C1\\t{%2, %0|%0, %2}
cmov%c1\\t{%3, %0|%0, %3}"
[(set_attr "type" "fcmov,fcmov,icmov,icmov")
(set_attr "mode" "SF,SF,SI,SI")])
(define_expand "movdfcc"
[(set (match_operand:DF 0 "register_operand" "")
@ -12021,18 +12024,40 @@
"if (! ix86_expand_fp_movcc (operands)) FAIL; DONE;")
(define_insn "*movdfcc_1"
[(set (match_operand:DF 0 "register_operand" "=f,f")
[(set (match_operand:DF 0 "register_operand" "=f,f,&r,&r")
(if_then_else:DF (match_operator 1 "fcmov_comparison_operator"
[(reg 17) (const_int 0)])
(match_operand:DF 2 "register_operand" "f,0")
(match_operand:DF 3 "register_operand" "0,f")))]
"TARGET_CMOVE"
(match_operand:DF 2 "nonimmediate_operand" "f,0,rm,0")
(match_operand:DF 3 "nonimmediate_operand" "0,f,0,rm")))]
"TARGET_CMOVE
&& (GET_CODE (operands[2]) != MEM || GET_CODE (operands[3]) != MEM)"
"@
fcmov%F1\\t{%2, %0|%0, %2}
fcmov%f1\\t{%3, %0|%0, %3}"
[(set_attr "type" "fcmov")
fcmov%f1\\t{%3, %0|%0, %3}
#
#"
[(set_attr "type" "fcmov,fcmov,multi,multi")
(set_attr "mode" "DF")])
(define_split
[(set (match_operand:DF 0 "register_operand" "")
(if_then_else:DF (match_operator 1 "fcmov_comparison_operator"
[(match_operand 4 "" "") (const_int 0)])
(match_operand:DF 2 "nonimmediate_operand" "")
(match_operand:DF 3 "nonimmediate_operand" "")))]
"!ANY_FP_REG_P (operands[0]) && reload_completed"
[(set (match_dup 2)
(if_then_else:SI (match_op_dup 1 [(match_dup 4) (const_int 0)])
(match_dup 5)
(match_dup 7)))
(set (match_dup 3)
(if_then_else:SI (match_op_dup 1 [(match_dup 4) (const_int 0)])
(match_dup 6)
(match_dup 8)))]
"split_di (operands+2, 1, operands+5, operands+6);
split_di (operands+3, 1, operands+7, operands+8);
split_di (operands, 1, operands+2, operands+3);")
(define_expand "movxfcc"
[(set (match_operand:XF 0 "register_operand" "")
(if_then_else:XF (match_operand 1 "comparison_operator" "")