re PR debug/25023 (ICE in def_cfa_1, at dwarf2out.c:792)

PR debug/25023
	* config/i386/i386.c (ix86_force_to_memory): Always use
	SImode push for HImode in -m32.
	(ix86_free_from_memory): Likewise.

	* gcc.dg/pr25023.c: New test.

From-SVN: r108537
This commit is contained in:
Jakub Jelinek 2005-12-14 21:30:46 +01:00 committed by Jakub Jelinek
parent 4f9a6d459f
commit 69642eaeaf
4 changed files with 26 additions and 5 deletions

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@ -1,3 +1,10 @@
2005-12-14 Jakub Jelinek <jakub@redhat.com>
PR debug/25023
* config/i386/i386.c (ix86_force_to_memory): Always use
SImode push for HImode in -m32.
(ix86_free_from_memory): Likewise.
2005-12-14 Richard Sandiford <richard@codesourcery.com>
* gcc/config/arm/arm.md: Provide a big-endian version of the

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@ -15790,9 +15790,8 @@ ix86_force_to_memory (enum machine_mode mode, rtx operand)
}
break;
case HImode:
/* It is better to store HImodes as SImodes. */
if (!TARGET_PARTIAL_REG_STALL)
operand = gen_lowpart (SImode, operand);
/* Store HImodes as SImodes. */
operand = gen_lowpart (SImode, operand);
/* FALLTHRU */
case SImode:
emit_insn (
@ -15820,8 +15819,6 @@ ix86_free_from_memory (enum machine_mode mode)
if (mode == DImode || TARGET_64BIT)
size = 8;
else if (mode == HImode && TARGET_PARTIAL_REG_STALL)
size = 2;
else
size = 4;
/* Use LEA to deallocate stack space. In peephole2 it will be converted

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@ -1,3 +1,8 @@
2005-12-14 Jakub Jelinek <jakub@redhat.com>
PR debug/25023
* gcc.dg/pr25023.c: New test.
2005-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* g++.old-deja/g++.brendan/redecl1.C,

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@ -0,0 +1,12 @@
/* PR debug/25023 */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-options "-O2 -mtune=i686" { target { { i?86-*-* || x86_64-*-* } && ilp32 } } } */
extern unsigned char v;
float
foo (void)
{
return v;
}