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* config/arm/arm.c (arm_output_epilogue): Remove redundant code.

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From-SVN: r82361
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Paul Brook 2004-05-28 16:00:00 +00:00 committed by Paul Brook
parent 3c7ad43e58
commit 2966b00e88
2 changed files with 6 additions and 15 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2004-05-28 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_output_epilogue): Remove redundant code.
2004-05-28 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (thumb_force_lr_save): New function.

17
gcc/config/arm/arm.c
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@ -9704,6 +9704,7 @@ arm_output_epilogue (rtx sibling)
}
}
/* We may have already restored PC directly from the stack. */
if (! really_return
|| (ARM_FUNC_TYPE (func_type) == ARM_FT_NORMAL
&& current_function_pretend_args_size == 0
@ -9714,8 +9715,6 @@ arm_output_epilogue (rtx sibling)
switch ((int) ARM_FUNC_TYPE (func_type))
{
case ARM_FT_EXCEPTION_HANDLER:
/* Even in 26-bit mode we do a mov (rather than a movs)
because we don't have the PSR bits set in the address. */
asm_fprintf (f, "\tmov\t%r, %r\n", PC_REGNUM, EXCEPTION_LR_REGNUM);
break;
@ -9733,19 +9732,7 @@ arm_output_epilogue (rtx sibling)
break;
default:
if (frame_pointer_needed)
/* If we used the frame pointer then the return address
will have been loaded off the stack directly into the
PC, so there is no need to issue a MOV instruction
here. */
;
else if (current_function_pretend_args_size == 0
&& (saved_regs_mask & (1 << LR_REGNUM)))
/* Similarly we may have been able to load LR into the PC
even if we did not create a stack frame. */
;
else
asm_fprintf (f, "\tmov\t%r, %r\n", PC_REGNUM, LR_REGNUM);
asm_fprintf (f, "\tmov\t%r, %r\n", PC_REGNUM, LR_REGNUM);
break;
}