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h8300.c (general_operand_src): Always check MODE.

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* config/h8300/h8300.c (general_operand_src): Always check
	MODE.
	(general_operand_dst): Likewise.
	* gcc.c-torture/execute/20030218-1.c: New.

From-SVN: r63091
This commit is contained in:
Kazu Hirata 2003-02-19 04:36:44 +00:00 • committed by Kazu Hirata
parent 2104fa743d
commit ff6e1a2f26
4 changed files with 41 additions and 2 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2003-02-18 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.c (general_operand_src): Always check
MODE.
(general_operand_dst): Likewise.
2003-02-18 Roger Sayle <roger@eyesopen.com>
* convert.c (convert_to_real): Also optimize (float)log(x) into

8
gcc/config/h8300/h8300.c
View file

@ -723,7 +723,9 @@ general_operand_src (op, mode)
rtx op;
enum machine_mode mode;
{
if (GET_CODE (op) == MEM && GET_CODE (XEXP (op, 0)) == POST_INC)
if (GET_MODE (op) == mode
&& GET_CODE (op) == MEM
&& GET_CODE (XEXP (op, 0)) == POST_INC)
return 1;
return general_operand (op, mode);
}
@ -736,7 +738,9 @@ general_operand_dst (op, mode)
rtx op;
enum machine_mode mode;
{
if (GET_CODE (op) == MEM && GET_CODE (XEXP (op, 0)) == PRE_DEC)
if (GET_MODE (op) == mode
&& GET_CODE (op) == MEM
&& GET_CODE (XEXP (op, 0)) == PRE_DEC)
return 1;
return general_operand (op, mode);
}

4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2003-02-18 Kazu Hirata <kazu@cs.umass.edu>
* gcc.c-torture/execute/20030218-1.c: New.
2003-02-18 Aldy Hernandez <aldyh@redhat.com>
* gcc.dg/20030218-1.c: New.

25
gcc/testsuite/gcc.c-torture/execute/20030218-1.c Normal file
View file

@ -0,0 +1,25 @@
/* On H8, the predicate general_operand_src(op,mode) used to ignore
mode when op is a (mem (post_inc ...)). As a result, the pattern
for extendhisi2 was recognized as extendqisi2. */
extern void abort ();
extern void exit (int);
short *q;
long
foo (short *p)
{
long b = *p;
q = p + 1;
return b;
}
int
main ()
{
short a = 0xff00;
if (foo (&a) != (long) (short) 0xff00)
abort ();
exit (0);
}