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re PR middle-end/31344 (bootstrap broken on i[345]86-linux)

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PR rtl-optimization/31344
	* expr.c (emit_move_change_mode): Change mode of push operands here.

testsuite/ChangeLog:

	PR rtl-optimization/31344
	* gcc.dg/pr31344.c: New test.

From-SVN: r124825
This commit is contained in:
Uros Bizjak 2007-05-18 10:37:03 +02:00 committed by Uros Bizjak
parent b60b471172
commit 4bcc9de5fd
4 changed files with 41 additions and 1 deletions
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5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2007-05-18 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/31344
* expr.c (emit_move_change_mode): Change mode of push operands here.
2007-05-17 Ian Lance Taylor <iant@google.com>
PR tree-optimization/31953

7
gcc/expr.c
View File

@ -2867,7 +2867,12 @@ emit_move_change_mode (enum machine_mode new_mode,
{
rtx ret;
if (MEM_P (x))
if (push_operand (x, GET_MODE (x)))
{
ret = gen_rtx_MEM (new_mode, XEXP (x, 0));
MEM_COPY_ATTRIBUTES (ret, x);
}
else if (MEM_P (x))
{
/* We don't have to worry about changing the address since the
size in bytes is supposed to be the same. */

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2007-05-18 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/31344
* gcc.dg/pr31344.c: New test.
2007-05-17 Ian Lance Taylor <iant@google.com>
PR tree-optimization/31953

25
gcc/testsuite/gcc.dg/pr31344.c Normal file
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@ -0,0 +1,25 @@
/* { dg-do compile { target dfp } } */
/* { dg-options "-O -std=gnu99 -mtune=i386" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
/* { dg-options "-O -std=gnu99" } */
typedef struct
{
unsigned char bits;
} decNumber;
typedef struct
{
unsigned char bytes[1];
} decimal32;
extern decNumber *__decimal32ToNumber (const decimal32 *, decNumber *);
extern void __host_to_ieee_32 (_Decimal32, decimal32 *);
void
foo (_Decimal32 arg)
{
decNumber dn;
decimal32 d32;
__host_to_ieee_32 (arg, &d32);
__decimal32ToNumber (&d32, &dn);
}