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i386.c (split_xf): New. 

* i386.c (split_xf): New.
        * i386-protos.h: Declare it.
        * i386.md (movxf_1): Add general regs alternatives.
        (movxf_1+1): New splitter for same.

From-SVN: r30419
This commit is contained in:
Richard Henderson 1999-11-05 10:19:55 -08:00 committed by Richard Henderson
parent 3948f9d08f
commit 467403ca55
4 changed files with 44 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
* i386.c (split_xf): New.
* i386-protos.h: Declare it.
* i386.md (movxf_1): Add general regs alternatives.
(movxf_1+1): New splitter for same.
Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
* function.c (purge_addressof_1): Add missing return values.

1
gcc/config/i386/i386-protos.h
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@ -73,6 +73,7 @@ extern void print_operand PROTO((FILE*, rtx, int));
extern void print_operand_address PROTO((FILE*, rtx));
extern void split_di PROTO((rtx[], int, rtx[], rtx[]));
extern void split_xf PROTO((rtx, rtx[3]));
extern char *output_387_binary_op PROTO((rtx, rtx*));
extern char *output_fix_trunc PROTO((rtx, rtx*));

20
gcc/config/i386/i386.c
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@ -2995,6 +2995,26 @@ split_di (operands, num, lo_half, hi_half)
abort();
}
}
void
split_xf (orig, out)
rtx orig;
rtx out[3];
{
if (REG_P (orig))
{
int regno = REGNO (orig);
out[0] = gen_rtx_REG (SImode, regno);
out[1] = gen_rtx_REG (SImode, regno + 1);
out[2] = gen_rtx_REG (SImode, regno + 2);
}
else
{
out[0] = change_address (orig, SImode, NULL_RTX);
out[1] = adj_offsettable_operand (out[0], 4);
out[2] = adj_offsettable_operand (out[0], 8);
}
}
/* Output code to perform a 387 binary operation in INSN, one of PLUS,
MINUS, MULT or DIV. OPERANDS are the insn operands, where operands[3]

18
gcc/config/i386/i386.md
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@ -1980,8 +1980,8 @@
}")
(define_insn "*movxf_1"
[(set (match_operand:XF 0 "nonimmediate_operand" "=f,m,f")
(match_operand:XF 1 "general_operand" "fm,f,G"))]
[(set (match_operand:XF 0 "nonimmediate_operand" "=f,m,f,*r,o")
(match_operand:XF 1 "general_operand" "fm,f,G,*ro,*r"))]
""
"*
{
@ -2013,11 +2013,25 @@
return \"fld1\";
}
break;
case 3: case 4:
return \"#\";
}
abort();
}"
[(set_attr "type" "fmov")])
(define_split
[(set (match_operand:XF 0 "nonimmediate_operand" "")
(match_operand:XF 1 "nonimmediate_operand" ""))]
"(REG_P (operands[0]) && ! FP_REGNO_P (REGNO (operands[0])))
|| (REG_P (operands[1]) && ! FP_REGNO_P (REGNO (operands[1])))"
[(set (match_dup 0) (match_dup 3))
(set (match_dup 1) (match_dup 4))
(set (match_dup 2) (match_dup 5))]
"split_xf (operands[1], &operands[3]);
split_xf (operands[0], &operands[0]);")
(define_insn "swapxf"
[(set (match_operand:XF 0 "register_operand" "+f")
(match_operand:XF 1 "register_operand" "+f"))