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spu.h (ARG_POINTER_CFA_OFFSET): Define.

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* config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
	* config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
	for insn setting up the frame pointer.  Do not set it for insns
	setting up scratch registers or storing the backchain.

From-SVN: r120125
This commit is contained in:
Ulrich Weigand 2006-12-21 23:23:34 +00:00 committed by Ben Elliston
parent 3721b9e1ee
commit 10d55907ce
3 changed files with 15 additions and 5 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
* config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
* config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
for insn setting up the frame pointer. Do not set it for insns
setting up scratch registers or storing the backchain.
2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
PR other/29639

11
gcc/config/spu/spu.c
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@ -1629,21 +1629,18 @@ spu_expand_prologue (void)
{
/* In this case we save the back chain first. */
insn = frame_emit_store (STACK_POINTER_REGNUM, sp_reg, -total_size);
RTX_FRAME_RELATED_P (insn) = 1;
insn =
frame_emit_add_imm (sp_reg, sp_reg, -total_size, scratch_reg_0);
}
else if (satisfies_constraint_K (GEN_INT (-total_size)))
{
insn = emit_move_insn (scratch_reg_0, sp_reg);
RTX_FRAME_RELATED_P (insn) = 1;
insn =
emit_insn (gen_addsi3 (sp_reg, sp_reg, GEN_INT (-total_size)));
}
else
{
insn = emit_move_insn (scratch_reg_0, sp_reg);
RTX_FRAME_RELATED_P (insn) = 1;
insn =
frame_emit_add_imm (sp_reg, sp_reg, -total_size, scratch_reg_1);
}
@ -1656,7 +1653,6 @@ spu_expand_prologue (void)
{
/* Save the back chain ptr */
insn = frame_emit_store (REGNO (scratch_reg_0), sp_reg, 0);
RTX_FRAME_RELATED_P (insn) = 1;
}
if (frame_pointer_needed)
@ -1665,7 +1661,12 @@ spu_expand_prologue (void)
HOST_WIDE_INT fp_offset = STACK_POINTER_OFFSET
+ current_function_outgoing_args_size;
/* Set the new frame_pointer */
frame_emit_add_imm (fp_reg, sp_reg, fp_offset, scratch_reg_0);
insn = frame_emit_add_imm (fp_reg, sp_reg, fp_offset, scratch_reg_0);
RTX_FRAME_RELATED_P (insn) = 1;
real = gen_addsi3 (fp_reg, sp_reg, GEN_INT (fp_offset));
REG_NOTES (insn) =
gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR,
real, REG_NOTES (insn));
}
}

2
gcc/config/spu/spu.h
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@ -265,6 +265,8 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin; \
#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG(Pmode, LINK_REGISTER_REGNUM)
#define ARG_POINTER_CFA_OFFSET(FNDECL) (-STACK_POINTER_OFFSET)
/* Stack Checking */