#endif
}
-/* Store VALUE to ADDR in the current cpu implementation's fp spill format. */
+/* Store VALUE to ADDR in the current cpu implementation's fp spill format.
+ This is a macro instead of a function, so that it works for all 3 floating
+ point types without type conversions. Type conversion to long double breaks
+ the denorm support. */
-static inline void
-stf_spill(fpreg *addr, __float80 value)
-{
+#define stf_spill(addr, value) \
asm ("stf.spill %0 = %1%P0" : "=m" (*addr) : "f"(value));
-}
/* Load a value from ADDR, which is in the current cpu implementation's
- fp spill format. */
+ fp spill format. As above, this must also be a macro. */
-static inline __float80
-ldf_fill(fpreg *addr)
-{
- __float80 ret;
- asm ("ldf.fill %0 = %1%P1" : "=f"(ret) : "m"(*addr));
- return ret;
-}
+#define ldf_fill(result, addr) \
+ asm ("ldf.fill %0 = %1%P1" : "=f"(result) : "m"(*addr));
/* Return the size of the C type associated with with TYPE. Which will
be one of the FFI_IA64_TYPE_HFA_* values. */
/* Load from ADDR a value indicated by TYPE. Which will be one of
the FFI_IA64_TYPE_HFA_* values. */
-static __float80
-hfa_type_load (int type, void *addr)
+static void
+hfa_type_load (fpreg *fpaddr, int type, void *addr)
{
switch (type)
{
case FFI_IA64_TYPE_HFA_FLOAT:
- return *(float *) addr;
+ stf_spill (fpaddr, *(float *) addr);
+ return;
case FFI_IA64_TYPE_HFA_DOUBLE:
- return *(double *) addr;
+ stf_spill (fpaddr, *(double *) addr);
+ return;
case FFI_IA64_TYPE_HFA_LDOUBLE:
- return *(__float80 *) addr;
+ stf_spill (fpaddr, *(__float80 *) addr);
+ return;
default:
abort ();
}
the FFI_IA64_TYPE_HFA_* values. */
static void
-hfa_type_store (int type, void *addr, __float80 value)
+hfa_type_store (int type, void *addr, fpreg *fpaddr)
{
switch (type)
{
case FFI_IA64_TYPE_HFA_FLOAT:
- *(float *) addr = value;
- break;
+ {
+ float result;
+ ldf_fill (result, fpaddr);
+ *(float *) addr = result;
+ break;
+ }
case FFI_IA64_TYPE_HFA_DOUBLE:
- *(double *) addr = value;
- break;
+ {
+ double result;
+ ldf_fill (result, fpaddr);
+ *(double *) addr = result;
+ break;
+ }
case FFI_IA64_TYPE_HFA_LDOUBLE:
- *(__float80 *) addr = value;
- break;
+ {
+ __float80 result;
+ ldf_fill (result, fpaddr);
+ *(__float80 *) addr = result;
+ break;
+ }
default:
abort ();
}
&& offset < size
&& gp_offset < 8 * 8)
{
- stf_spill (&stack->fp_regs[fpcount],
- hfa_type_load (hfa_type, avalue[i] + offset));
+ hfa_type_load (&stack->fp_regs[fpcount], hfa_type,
+ avalue[i] + offset);
offset += hfa_size;
gp_offset += hfa_size;
fpcount += 1;
case FFI_TYPE_FLOAT:
if (gpcount < 8 && fpcount < 8)
{
- void *addr = &stack->fp_regs[fpcount++];
+ fpreg *addr = &stack->fp_regs[fpcount++];
+ float result;
avalue[i] = addr;
- *(float *)addr = ldf_fill (addr);
+ ldf_fill (result, addr);
+ *(float *)addr = result;
}
else
avalue[i] = endian_adjust(&stack->gp_regs[gpcount], 4);
case FFI_TYPE_DOUBLE:
if (gpcount < 8 && fpcount < 8)
{
- void *addr = &stack->fp_regs[fpcount++];
+ fpreg *addr = &stack->fp_regs[fpcount++];
+ double result;
avalue[i] = addr;
- *(double *)addr = ldf_fill (addr);
+ ldf_fill (result, addr);
+ *(double *)addr = result;
}
else
avalue[i] = &stack->gp_regs[gpcount];
gpcount++;
if (LDBL_MANT_DIG == 64 && gpcount < 8 && fpcount < 8)
{
- void *addr = &stack->fp_regs[fpcount++];
+ fpreg *addr = &stack->fp_regs[fpcount++];
+ __float80 result;
avalue[i] = addr;
- *(__float80 *)addr = ldf_fill (addr);
+ ldf_fill (result, addr);
+ *(__float80 *)addr = result;
}
else
avalue[i] = &stack->gp_regs[gpcount];
&& offset < size
&& gp_offset < 8 * 8)
{
- hfa_type_store (hfa_type, addr + offset,
- ldf_fill (&stack->fp_regs[fpcount]));
+ hfa_type_store (hfa_type, addr + offset,
+ &stack->fp_regs[fpcount]);
offset += hfa_size;
gp_offset += hfa_size;
fpcount += 1;