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(movsf, movdf): Handle a move from an integer register before reload. 

This can happen if the user uses asm to put a floating point variable
in an integer register.

From-SVN: r4666
This commit is contained in:
Richard Kenner 1993-06-11 21:49:20 -04:00
parent 11e5fe42ca
commit 785e6a26da
1 changed files with 14 additions and 15 deletions
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29
gcc/config/rs6000/rs6000.md
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@ -2259,20 +2259,19 @@
&& REGNO (SUBREG_REG (operands[1])) < FIRST_PSEUDO_REGISTER)
operands[1] = alter_subreg (operands[1]);
/* If we are being called from reload, it is possible that operands[1]
is a hard non-fp register. So handle those cases. */
if (reload_in_progress && GET_CODE (operands[1]) == REG
&& REGNO (operands[1]) < 32)
if (GET_CODE (operands[1]) == REG && REGNO (operands[1]) < 32)
{
rtx stack_slot;
/* Remember that we only see a pseudo here if it didn't get a hard
register, so it is memory. */
/* If this is a store to memory or another integer register do the
move directly. Otherwise store to a temporary stack slot and
load from there into a floating point register. */
if (GET_CODE (operands[0]) == MEM
|| (GET_CODE (operands[0]) == REG
&& (REGNO (operands[0]) < 32
|| REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))
|| (GET_CODE (operands[0]) == REG && REGNO (operands[0]) < 32))
|| (reload_in_progress
&& REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))))
{
emit_move_insn (operand_subword (operands[0], 0, 0, SFmode),
operand_subword (operands[1], 0, 0, SFmode));
@ -2371,19 +2370,19 @@
&& REGNO (SUBREG_REG (operands[1])) < FIRST_PSEUDO_REGISTER)
operands[1] = alter_subreg (operands[1]);
/* If we are being called from reload, it is possible that operands[1]
is a hard non-fp register. So handle those cases. */
if (reload_in_progress && GET_CODE (operands[1]) == REG
&& REGNO (operands[1]) < 32)
if (GET_CODE (operands[1]) == REG && REGNO (operands[1]) < 32)
{
rtx stack_slot;
/* Remember that we only see a pseudo here if it didn't get a hard
register, so it is memory. */
/* If this is a store to memory or another integer register do the
move directly. Otherwise store to a temporary stack slot and
load from there into a floating point register. */
if (GET_CODE (operands[0]) == MEM
|| (GET_CODE (operands[0]) == REG
&& (REGNO (operands[0]) < 32
|| REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER)))
|| (reload_in_progress
&& REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))))
{
emit_move_insn (operand_subword (operands[0], 0, 0, DFmode),
operand_subword (operands[1], 0, 0, DFmode));