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)
--- /dev/null
+/* 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);
+}