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sparc.c (eligible_for_epilogue_delay): Accept floating point instructions for epilogue delay. 

* config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
	floating point instructions for epilogue delay.

From-SVN: r32362
This commit is contained in:
Jakub Jelinek 2000-03-06 18:55:17 +01:00 committed by Jakub Jelinek
parent 133a40d247
commit c137830fba
2 changed files with 16 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2000-03-06 Jakub Jelinek <jakub@redhat.com>
* config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
floating point instructions for epilogue delay.
2000-03-06 Mark Mitchell <mark@codesourcery.com>
* function.c (free_temps_for_rtl_expr): Don't free slots

12
gcc/config/sparc/sparc.c
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@ -2394,10 +2394,20 @@ eligible_for_epilogue_delay (trial, slot)
/* Otherwise, only operations which can be done in tandem with
a `restore' or `return' insn can go into the delay slot. */
if (GET_CODE (SET_DEST (pat)) != REG
|| REGNO (SET_DEST (pat)) >= 32
|| REGNO (SET_DEST (pat)) < 24)
return 0;
/* If this instruction sets up floating point register and we have a return
instruction, it can probably go in. But restore will not work
with FP_REGS. */
if (REGNO (SET_DEST (pat)) >= 32)
{
if (TARGET_V9 && ! epilogue_renumber (&pat, 1)
&& (get_attr_in_uncond_branch_delay (trial) == IN_BRANCH_DELAY_TRUE))
return 1;
return 0;
}
/* The set of insns matched here must agree precisely with the set of
patterns paired with a RETURN in sparc.md. */