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(movsicc,movhicc): Allow reload from memory. 

From-SVN: r12682
This commit is contained in:
Stan Cox 1996-08-30 19:03:36 +00:00
parent be98e7093c
commit e120e048d6
1 changed files with 105 additions and 52 deletions
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157
gcc/config/i386/i386.md
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@ -6744,10 +6744,11 @@
(define_expand "movsicc"
[(match_dup 4)
(set (match_operand 0 "register_operand" "")
(parallel [(set (match_operand 0 "register_operand" "")
(if_then_else:SI (match_operand 1 "comparison_operator" "")
(match_operand:SI 2 "general_operand" "")
(match_operand:SI 3 "general_operand" "")))]
(match_operand:SI 3 "general_operand" "")))
(clobber (match_scratch:SI 4 "=&r"))])]
"TARGET_CMOVE"
"
{
@ -6756,10 +6757,11 @@
(define_expand "movhicc"
[(match_dup 4)
(set (match_operand 0 "register_operand" "")
(parallel [(set (match_operand 0 "register_operand" "")
(if_then_else:HI (match_operand 1 "comparison_operator" "")
(match_operand:HI 2 "general_operand" "")
(match_operand:HI 3 "general_operand" "")))]
(match_operand:HI 3 "general_operand" "")))
(clobber (match_scratch:SI 4 "=&r"))])]
"TARGET_CMOVE"
"
{
@ -6767,11 +6769,12 @@
}")
(define_insn "movsicc_1"
[(set (match_operand:SI 0 "register_operand" "=r,r,&r")
[(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,&r,rm")
(if_then_else:SI (match_operator 1 "comparison_operator"
[(cc0) (const_int 0)])
(match_operand:SI 2 "nonimmediate_operand" "rm,0,rm")
(match_operand:SI 3 "nonimmediate_operand" "0,rm,rm")))]
(match_operand:SI 2 "general_operand" "rm,0,rm,g")
(match_operand:SI 3 "general_operand" "0,rm,rm,g")))
(clobber (match_scratch:SI 4 "X,X,X,=&r"))]
"TARGET_CMOVE"
"*
{
@ -6794,33 +6797,41 @@
output_asm_insn (AS2 (cmov%C1,%2,%0), operands);
output_asm_insn (AS2 (cmov%c1,%3,%0), operands);
}
RET;
}")
(define_insn ""
[(set (match_operand:SI 0 "register_operand" "r")
(if_then_else:SI (match_operator 1 "comparison_operator"
[(cc0) (const_int 0)])
(match_operand:SI 2 "general_operand" "")
(match_operand:SI 3 "general_operand" "")))]
"TARGET_CMOVE"
"*
{
else if (which_alternative == 3)
{
/* r <- cond ? arg1 : arg2 */
operands[4] = gen_label_rtx ();
operands[5] = gen_label_rtx ();
if (! rtx_equal_p (operands[0], operands[2]))
if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[2]) == MEM)
{
output_asm_insn (AS2 (mov%L2,%2,%4), operands);
output_asm_insn (AS2 (mov%L2,%4,%0), operands);
}
else
output_asm_insn (AS2 (mov%L0,%2,%0), operands);
output_asm_insn (\"j%C1 %l4\", operands);
if (! rtx_equal_p (operands[0], operands[3]))
{
output_asm_insn (\"j%C1 %l5\", operands);
if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[3]) == MEM)
{
output_asm_insn (AS2 (mov%L2,%3,%4), operands);
output_asm_insn (AS2 (mov%L2,%4,%0), operands);
}
else
output_asm_insn (AS2 (mov%L0,%3,%0), operands);
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (operands[4]));
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (operands[5]));
}
}
RET;
}")
(define_insn "movhicc_1"
[(set (match_operand:HI 0 "register_operand" "=r,r,&r")
[(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,&r,rm")
(if_then_else:HI (match_operator 1 "comparison_operator"
[(cc0) (const_int 0)])
(match_operand:HI 2 "nonimmediate_operand" "rm,0,rm")
(match_operand:HI 3 "nonimmediate_operand" "0,rm,rm")))]
(match_operand:HI 2 "general_operand" "rm,0,rm,g")
(match_operand:HI 3 "general_operand" "0,rm,rm,g")))
(clobber (match_scratch:SI 4 "X,X,X,=&r"))]
"TARGET_CMOVE"
"*
{
@ -6843,33 +6854,40 @@
output_asm_insn (AS2 (cmov%C1,%2,%0), operands);
output_asm_insn (AS2 (cmov%c1,%3,%0), operands);
}
RET;
}")
(define_insn ""
[(set (match_operand:HI 0 "register_operand" "r")
(if_then_else:HI (match_operator 1 "comparison_operator"
[(cc0) (const_int 0)])
(match_operand:HI 2 "general_operand" "")
(match_operand:HI 3 "general_operand" "")))]
"TARGET_CMOVE"
"*
{
else if (which_alternative == 3)
{
/* r <- cond ? arg1 : arg2 */
operands[4] = gen_label_rtx ();
operands[5] = gen_label_rtx ();
if (! rtx_equal_p (operands[0], operands[2]))
if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[2]) == MEM)
{
output_asm_insn (AS2 (mov%L2,%2,%4), operands);
output_asm_insn (AS2 (mov%L2,%4,%0), operands);
}
else
output_asm_insn (AS2 (mov%L0,%2,%0), operands);
output_asm_insn (\"j%C1 %l4\", operands);
if (! rtx_equal_p (operands[0], operands[3]))
{
output_asm_insn (\"j%C1 %l5\", operands);
if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[3]) == MEM)
{
output_asm_insn (AS2 (mov%L2,%3,%4), operands);
output_asm_insn (AS2 (mov%L2,%4,%0), operands);
}
else
output_asm_insn (AS2 (mov%L0,%3,%0), operands);
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (operands[4]));
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (operands[5]));
}
}
RET;
}")
(define_expand "movsfcc"
[(match_dup 4)
(set (match_operand 0 "register_operand" "")
(set (match_operand 0 "general_operand" "")
(if_then_else:SF (match_operand 1 "comparison_operator" "")
(match_operand:SF 2 "register_operand" "")
(match_operand:SF 3 "register_operand" "")))]
(match_operand:SF 2 "general_operand" "")
(match_operand:SF 3 "general_operand" "")))]
"TARGET_CMOVE"
"
{
@ -6878,10 +6896,10 @@
(define_expand "movdfcc"
[(match_dup 4)
(set (match_operand 0 "register_operand" "")
(set (match_operand 0 "register_operand" "t")
(if_then_else:DF (match_operand 1 "comparison_operator" "")
(match_operand:DF 2 "register_operand" "")
(match_operand:DF 3 "register_operand" "")))]
(match_operand:DF 2 "register_operand" "f")
(match_operand:DF 3 "register_operand" "f")))]
"TARGET_CMOVE"
"
{
@ -6890,10 +6908,10 @@
(define_expand "movxfcc"
[(match_dup 4)
(set (match_operand 0 "register_operand" "")
(set (match_operand 0 "register_operand" "t")
(if_then_else:XF (match_operand 1 "comparison_operator" "")
(match_operand:XF 2 "register_operand" "")
(match_operand:XF 3 "register_operand" "")))]
(match_operand:XF 2 "register_operand" "f")
(match_operand:XF 3 "register_operand" "f")))]
"TARGET_CMOVE"
"
{
@ -6901,11 +6919,11 @@
}")
(define_insn "movsfcc_1"
[(set (match_operand:SF 0 "register_operand" "=t,t")
[(set (match_operand:SF 0 "general_operand" "=t,=t,f,fFm")
(if_then_else:SF (match_operator 1 "comparison_operator"
[(cc0) (const_int 0)])
(match_operand:SF 2 "register_operand" "0,f")
(match_operand:SF 3 "register_operand" "f,0")))]
(match_operand:SF 2 "general_operand" "0,f,f,fFm")
(match_operand:SF 3 "general_operand" "f,0,f,fFm")))]
"TARGET_CMOVE"
"*
{
@ -6919,6 +6937,41 @@
/* r <- cond ? r : arg */
output_asm_insn (AS2 (fcmov%F1,%2,%0), operands);
}
else if (which_alternative == 2)
{
/* r <- cond ? r : arg */
output_asm_insn (AS2 (fcmov%F1,%2,%0), operands);
output_asm_insn (AS2 (fcmov%f1,%3,%0), operands);
}
else if (which_alternative == 3)
{
rtx xops[2];
/* r <- cond ? arg1 : arg2 */
operands[4] = gen_label_rtx ();
if (STACK_REG_P (operands[2]) || GET_CODE (operands[2]) == MEM)
output_asm_insn (AS1 (fld,%y2), operands);
else
{
xops[0] = operands[0];
xops[1] = operands[2];
/* SET_SRC (PATTERN (insn)) = XEXP (SET_SRC (PATTERN (insn)), 1);*/
output_asm_insn (output_move_const_single (xops), xops);
}
output_asm_insn (\"j%C1 %l4\", operands);
if (STACK_REG_P (operands[3]) || GET_CODE (operands[0]) == MEM)
output_asm_insn (AS1 (fld,%y3), operands);
else
{
xops[1] = operands[3];
SET_SRC (PATTERN (insn)) = XEXP (SET_SRC (PATTERN (insn)), 2);
output_asm_insn (output_move_const_single (xops), xops);
/* output_move_memory (xops, insn, GET_MODE_SIZE (DFmode), 2, 4);*/
/* output_asm_insn (AS1 (fld%z0,%y3), operands);*/
}
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (operands[4]));
}
RET;
}")