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Check against frame_pointer_rtx not FRAME_POINTER_REGNUM

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From-SVN: r27165
This commit is contained in:
Nick Clifton 1999-05-26 06:05:46 +00:00 committed by Nick Clifton
parent 9eb4080f6f
commit 293ecd7d19
2 changed files with 13 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
* flow.c (insn_dead_p): Check against frame_pointer_rtx not
FRAME_POINTER_REGNUM.
(mark_set_1): Ditto.
(mark_used_regs): Ditto.
Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
* arm.h (NEED_PLT_GOT): Fix mistake in last change.

10
gcc/flow.c
View File

@ -2957,7 +2957,7 @@ insn_dead_p (x, needed, call_ok, notes)
/* Don't delete insns to set global regs. */
if ((regno < FIRST_PSEUDO_REGISTER && global_regs[regno])
/* Make sure insns to set frame pointer aren't deleted. */
|| regno == FRAME_POINTER_REGNUM
|| r == frame_pointer_rtx
#if FRAME_POINTER_REGNUM != HARD_FRAME_POINTER_REGNUM
|| regno == HARD_FRAME_POINTER_REGNUM
#endif
@ -3268,7 +3268,8 @@ mark_set_1 (needed, dead, x, insn, significant)
mem_set_list = gen_rtx_EXPR_LIST (VOIDmode, reg, mem_set_list);
if (GET_CODE (reg) == REG
&& (regno = REGNO (reg), regno != FRAME_POINTER_REGNUM)
&& reg != frame_pointer_rtx
&& (regno = REGNO (reg), 1)
#if FRAME_POINTER_REGNUM != HARD_FRAME_POINTER_REGNUM
&& regno != HARD_FRAME_POINTER_REGNUM
#endif
@ -3733,7 +3734,7 @@ mark_used_regs (needed, live, x, final, insn)
#if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
|| (regno == ARG_POINTER_REGNUM && fixed_regs[regno])
#endif
|| regno == FRAME_POINTER_REGNUM)
|| (x == frame_pointer_rtx))
{
/* If this is a register we are going to try to eliminate,
don't mark it live here. If we are successful in
@ -3909,7 +3910,8 @@ mark_used_regs (needed, live, x, final, insn)
if ((GET_CODE (testreg) == PARALLEL
&& GET_MODE (testreg) == BLKmode)
|| (GET_CODE (testreg) == REG
&& (regno = REGNO (testreg), regno != FRAME_POINTER_REGNUM)
&& testreg != frame_pointer_rtx
&& (regno = REGNO (testreg), 1)
#if FRAME_POINTER_REGNUM != HARD_FRAME_POINTER_REGNUM
&& regno != HARD_FRAME_POINTER_REGNUM
#endif