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* config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.

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From-SVN: r85480
This commit is contained in:
Paul Brook 2004-08-03 14:30:46 +00:00 committed by Paul Brook
parent 7a1f75f1b7
commit 8ee6eb4e8c
2 changed files with 19 additions and 10 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2004-08-03 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
2004-08-03 Jan Hubicka <jh@suse.cz>
* coverage.c (tree_coverage_counter_ref): Fix computation of the new

25
gcc/config/arm/arm.c
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@ -9911,7 +9911,7 @@ emit_sfm (int base_reg, int count)
int i;
par = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (count));
dwarf = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (count));
dwarf = gen_rtx_SEQUENCE (VOIDmode, rtvec_alloc (count + 1));
reg = gen_rtx_REG (XFmode, base_reg++);
@ -9922,13 +9922,10 @@ emit_sfm (int base_reg, int count)
gen_rtx_UNSPEC (BLKmode,
gen_rtvec (1, reg),
UNSPEC_PUSH_MULT));
tmp
= gen_rtx_SET (VOIDmode,
gen_rtx_MEM (XFmode,
gen_rtx_PRE_DEC (BLKmode, stack_pointer_rtx)),
reg);
tmp = gen_rtx_SET (VOIDmode,
gen_rtx_MEM (XFmode, stack_pointer_rtx), reg);
RTX_FRAME_RELATED_P (tmp) = 1;
XVECEXP (dwarf, 0, count - 1) = tmp;
XVECEXP (dwarf, 0, 1) = tmp;
for (i = 1; i < count; i++)
{
@ -9937,13 +9934,21 @@ emit_sfm (int base_reg, int count)
tmp = gen_rtx_SET (VOIDmode,
gen_rtx_MEM (XFmode,
gen_rtx_PRE_DEC (BLKmode,
stack_pointer_rtx)),
plus_constant (stack_pointer_rtx,
i * 12)),
reg);
RTX_FRAME_RELATED_P (tmp) = 1;
XVECEXP (dwarf, 0, count - i - 1) = tmp;
XVECEXP (dwarf, 0, i + 1) = tmp;
}
tmp = gen_rtx_SET (VOIDmode,
stack_pointer_rtx,
gen_rtx_PLUS (SImode,
stack_pointer_rtx,
GEN_INT (-12 * count)));
RTX_FRAME_RELATED_P (tmp) = 1;
XVECEXP (dwarf, 0, 0) = tmp;
par = emit_insn (par);
REG_NOTES (par) = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR, dwarf,
REG_NOTES (par));