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pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an operand. 

* pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
        operand.

From-SVN: r28939
This commit is contained in:
Jeffrey A Law 1999-08-27 21:40:33 +00:00 committed by Jeff Law
parent 203cb4ef87
commit 7144300698
2 changed files with 17 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
* pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
operand.
Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
* config/openbsd.h: Define SET_ASM_OP.

16
gcc/config/pa/pa.c
View File

@ -1136,8 +1136,12 @@ emit_move_sequence (operands, mode, scratch_reg)
&& GET_CODE (SUBREG_REG (operand0)) == REG
&& REGNO (SUBREG_REG (operand0)) >= FIRST_PSEUDO_REGISTER)
{
SUBREG_REG (operand0) = reg_equiv_mem[REGNO (SUBREG_REG (operand0))];
operand0 = alter_subreg (operand0);
/* We must not alter SUBREG_WORD (operand0) since that would confuse
the code which tracks sets/uses for delete_output_reload. */
rtx temp = gen_rtx_SUBREG (GET_MODE (operand0),
reg_equiv_mem [REGNO (SUBREG_REG (operand0))],
SUBREG_WORD (operand0));
operand0 = alter_subreg (temp);
}
if (scratch_reg
@ -1149,8 +1153,12 @@ emit_move_sequence (operands, mode, scratch_reg)
&& GET_CODE (SUBREG_REG (operand1)) == REG
&& REGNO (SUBREG_REG (operand1)) >= FIRST_PSEUDO_REGISTER)
{
SUBREG_REG (operand1) = reg_equiv_mem[REGNO (SUBREG_REG (operand1))];
operand1 = alter_subreg (operand1);
/* We must not alter SUBREG_WORD (operand0) since that would confuse
the code which tracks sets/uses for delete_output_reload. */
rtx temp = gen_rtx_SUBREG (GET_MODE (operand1),
reg_equiv_mem [REGNO (SUBREG_REG (operand1))],
SUBREG_WORD (operand1));
operand1 = alter_subreg (temp);
}
if (scratch_reg && reload_in_progress && GET_CODE (operand0) == MEM