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(singlemove_string): Handle SFmode CONST_DOUBLE as a source operand.

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From-SVN: r4595
This commit is contained in:
Richard Stallman 1993-05-30 01:13:02 +00:00
parent ae98fe0965
commit e5c2baa1a6
1 changed files with 32 additions and 7 deletions
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39
gcc/config/pa/pa.c
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@ -891,7 +891,11 @@ read_only_operand (operand)
/* Return the best assembler insn template
for moving operands[1] into operands[0] as a fullword. */
for moving operands[1] into operands[0] as a fullword.
For CONST_DOUBLE and CONST_INT we should also check for
other values we can load directly via zdepi, ldil, etc.
??? Do this for 2.5. */
char *
singlemove_string (operands)
@ -899,13 +903,34 @@ singlemove_string (operands)
{
if (GET_CODE (operands[0]) == MEM)
return "stw %r1,%0";
if (GET_CODE (operands[1]) == MEM)
else if (GET_CODE (operands[1]) == MEM)
return "ldw %1,%0";
if (GET_CODE (operands[1]) == CONST_INT)
if (INT_14_BITS (operands[1]))
return (INTVAL (operands[1]) == 0 ? "copy 0,%0" : "ldi %1,%0");
else
return "ldil L'%1,%0\n\tldo R'%1(%0),%0";
else if (GET_CODE (operands[1]) == CONST_DOUBLE
&& GET_MODE (operands[1]) == SFmode)
{
int i;
union real_extract u;
union float_extract { float f; int i; } v;
bcopy (&CONST_DOUBLE_LOW (operands[1]), &u, sizeof u);
v.f = REAL_VALUE_TRUNCATE (SFmode, u.d);
i = v.i;
operands[1] = gen_rtx (CONST_INT, VOIDmode, i);
if (INT_14_BITS (operands[1]))
return (INTVAL (operands[1]) == 0 ? "copy 0,%0" : "ldi %1,%0");
else
return "ldil L'%1,%0\n\tldo R'%1(%0),%0";
}
else if (GET_CODE (operands[1]) == CONST_INT)
{
if (INT_14_BITS (operands[1]))
return (INTVAL (operands[1]) == 0 ? "copy 0,%0" : "ldi %1,%0");
else
return "ldil L'%1,%0\n\tldo R'%1(%0),%0";
}
return "copy %1,%0";
}