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sparc.c (function_arg_partial_nregs): Return 0 for all complex modes whose size is lesser or equal to a word.

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* config/sparc/sparc.c (function_arg_partial_nregs) [TARGET_ARCH64]:
	Return 0 for all complex modes whose size is lesser or equal to
	a word.  Add a ??? comment for the condition used with 16-byte
	aligned modes.

From-SVN: r73194
This commit is contained in:
Eric Botcazou 2003-11-02 09:27:23 +01:00 committed by Eric Botcazou
parent f25b19304b
commit 0a9e65f999
4 changed files with 49 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2003-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (function_arg_partial_nregs) [TARGET_ARCH64]:
Return 0 for all complex modes whose size is lesser or equal to
a word. Add a ??? comment for the condition used with 16-byte
aligned modes.
2003-11-01 Kelley Cook <kcook@gcc.gnu.org>
* .cvsignore: Remove c-parse* and tradcif.c.

9
gcc/config/sparc/sparc.c
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@ -5429,14 +5429,19 @@ function_arg_partial_nregs (const struct sparc_args *cum,
&& slotno == SPARC_INT_ARG_MAX - 1)
return 1;
}
else if ((GET_MODE_CLASS (mode) == MODE_COMPLEX_INT
&& GET_MODE_SIZE (mode) > UNITS_PER_WORD)
else if (GET_MODE_CLASS (mode) == MODE_COMPLEX_INT
|| (GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT
&& ! (TARGET_FPU && named)))
{
/* The complex types are passed as packed types. */
if (GET_MODE_SIZE (mode) <= UNITS_PER_WORD)
return 0;
if (GET_MODE_ALIGNMENT (mode) == 128)
{
slotno += slotno & 1;
/* ??? The mode needs 3 slots? */
if (slotno == SPARC_INT_ARG_MAX - 2)
return 1;
}

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2003-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
* gcc.dg/complex-1.c: New test.
2003-11-01 Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
PR c++/12796

31
gcc/testsuite/gcc.dg/complex-1.c Normal file
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@ -0,0 +1,31 @@
/* { dg-do run } */
/* { dg-options "-O" } */
/* Verify that the 6th complex floating-point argument is
correctly passed as unnamed argument on SPARC64. */
extern void abort(void);
void foo(long arg1, long arg2, long arg3, long arg4, long arg5, ...)
{
__builtin_va_list ap;
_Complex float cf;
__builtin_va_start(ap, arg5);
cf = __builtin_va_arg(ap, _Complex float);
__builtin_va_end(ap);
if (__imag__ cf != 2.0f)
abort();
}
int bar(long arg1, long arg2, long arg3, long arg4, long arg5, _Complex float arg6)
{
foo(arg1, arg2, arg3, arg4, arg5, arg6);
return 0;
}
int main(void)
{
return bar(0, 0, 0, 0, 0, 2.0fi);
}