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mips.c (function_arg): Where one part of a complex argument is in registers and the other part in the...

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* config/mips/mips.c (function_arg): Where one part of a
	complex argument is in registers and the other part in the stack,
	return a REG not a PARALLEL.

testsuite:
	* gcc.c-torture/execute/complex-7.c: New.

From-SVN: r114847
This commit is contained in:
Joseph Myers 2006-06-21 11:36:53 +01:00 committed by Joseph Myers
parent 0f57bf40b8
commit 0882b52ec4
4 changed files with 84 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-06-21 Joseph Myers <joseph@codesourcery.com>
* config/mips/mips.c (function_arg): Where one part of a
complex argument is in registers and the other part in the stack,
return a REG not a PARALLEL.
2006-06-21 Mark Mitchell <mark@codesourcery.com>
* configure.ac: Set gcc_gxx_include_dir to $target/include/c++

25
gcc/config/mips/mips.c
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@ -3894,13 +3894,24 @@ function_arg (const CUMULATIVE_ARGS *cum, enum machine_mode mode,
inner = GET_MODE_INNER (mode);
reg = FP_ARG_FIRST + info.reg_offset;
real = gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (inner, reg),
const0_rtx);
imag = gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (inner, reg + info.reg_words / 2),
GEN_INT (GET_MODE_SIZE (inner)));
return gen_rtx_PARALLEL (mode, gen_rtvec (2, real, imag));
if (info.reg_words * UNITS_PER_WORD == GET_MODE_SIZE (inner))
{
/* Real part in registers, imaginary part on stack. */
gcc_assert (info.stack_words == info.reg_words);
return gen_rtx_REG (inner, reg);
}
else
{
gcc_assert (info.stack_words == 0);
real = gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (inner, reg),
const0_rtx);
imag = gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (inner,
reg + info.reg_words / 2),
GEN_INT (GET_MODE_SIZE (inner)));
return gen_rtx_PARALLEL (mode, gen_rtvec (2, real, imag));
}
}
if (!info.fpr_p)

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2006-06-21 Joseph Myers <joseph@codesourcery.com>
* gcc.c-torture/execute/complex-7.c: New.
2006-06-21 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/merge-all-constants-1.c: New test.

56
gcc/testsuite/gcc.c-torture/execute/complex-7.c Normal file
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@ -0,0 +1,56 @@
/* Test argument passing of complex values. The MIPS64 compiler had a
bug when they were split between registers and the stack. */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
volatile _Complex float f1 = 1.1f + 2.2if;
volatile _Complex float f2 = 3.3f + 4.4if;
volatile _Complex float f3 = 5.5f + 6.6if;
volatile _Complex float f4 = 7.7f + 8.8if;
volatile _Complex float f5 = 9.9f + 10.1if;
volatile _Complex double d1 = 1.1 + 2.2i;
volatile _Complex double d2 = 3.3 + 4.4i;
volatile _Complex double d3 = 5.5 + 6.6i;
volatile _Complex double d4 = 7.7 + 8.8i;
volatile _Complex double d5 = 9.9 + 10.1i;
volatile _Complex long double ld1 = 1.1L + 2.2iL;
volatile _Complex long double ld2 = 3.3L + 4.4iL;
volatile _Complex long double ld3 = 5.5L + 6.6iL;
volatile _Complex long double ld4 = 7.7L + 8.8iL;
volatile _Complex long double ld5 = 9.9L + 10.1iL;
extern void abort (void);
extern void exit (int);
__attribute__((noinline)) void
check_float (int a, _Complex float a1, _Complex float a2,
_Complex float a3, _Complex float a4, _Complex float a5)
{
if (a1 != f1 || a2 != f2 || a3 != f3 || a4 != f4 || a5 != f5)
abort ();
}
__attribute__((noinline)) void
check_double (int a, _Complex double a1, _Complex double a2,
_Complex double a3, _Complex double a4, _Complex double a5)
{
if (a1 != d1 || a2 != d2 || a3 != d3 || a4 != d4 || a5 != d5)
abort ();
}
__attribute__((noinline)) void
check_long_double (int a, _Complex long double a1, _Complex long double a2,
_Complex long double a3, _Complex long double a4,
_Complex long double a5)
{
if (a1 != ld1 || a2 != ld2 || a3 != ld3 || a4 != ld4 || a5 != ld5)
abort ();
}
int
main (void)
{
check_float (0, f1, f2, f3, f4, f5);
check_double (0, d1, d2, d3, d4, d5);
check_long_double (0, ld1, ld2, ld3, ld4, ld5);
exit (0);
}