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re PR target/48496 ('asm' operand requires impossible reload)

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PR rtl-optimization/48496
	* src/ia64/ffi.c (ffi_call): Fix up aliasing violations.

From-SVN: r183301
This commit is contained in:
Jakub Jelinek 2012-01-19 11:47:59 +01:00 committed by Jakub Jelinek
parent ac1384b7c5
commit 01ddefeba7
2 changed files with 12 additions and 3 deletions
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5
libffi/ChangeLog
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@ -1,3 +1,8 @@
2012-01-19 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/48496
* src/ia64/ffi.c (ffi_call): Fix up aliasing violations.
2012-01-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (i?86-*-*): Set TARGET to X86_64.

10
libffi/src/ia64/ffi.c
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@ -1,5 +1,5 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 1998, 2007, 2008 Red Hat, Inc.
ffi.c - Copyright (c) 1998, 2007, 2008, 2012 Red Hat, Inc.
Copyright (c) 2000 Hewlett Packard Company
IA64 Foreign Function Interface
@ -324,13 +324,17 @@ ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
case FFI_TYPE_FLOAT:
if (gpcount < 8 && fpcount < 8)
stf_spill (&stack->fp_regs[fpcount++], *(float *)avalue[i]);
stack->gp_regs[gpcount++] = *(UINT32 *)avalue[i];
{
UINT32 tmp;
memcpy (&tmp, avalue[i], sizeof (UINT32));
stack->gp_regs[gpcount++] = tmp;
}
break;
case FFI_TYPE_DOUBLE:
if (gpcount < 8 && fpcount < 8)
stf_spill (&stack->fp_regs[fpcount++], *(double *)avalue[i]);
stack->gp_regs[gpcount++] = *(UINT64 *)avalue[i];
memcpy (&stack->gp_regs[gpcount++], avalue[i], sizeof (UINT64));
break;
case FFI_TYPE_LONGDOUBLE: