Commit 77f823e31ffb557a466b24f7fba845fbf7831798
2013-11-13T14:26:57
stop trying to assing vfp regs once we are done with the registers
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diff --git a/src/arm/ffi.c b/src/arm/ffi.c
index a8444c3..09883b1 100644
--- a/src/arm/ffi.c
+++ b/src/arm/ffi.c
@@ -861,7 +861,7 @@ static int vfp_type_p (ffi_type *t)
return 0;
}
-static void place_vfp_arg (ffi_cif *cif, ffi_type *t)
+static int place_vfp_arg (ffi_cif *cif, ffi_type *t)
{
int reg = cif->vfp_reg_free;
int nregs = t->size / sizeof (float);
@@ -894,12 +894,13 @@ static void place_vfp_arg (ffi_cif *cif, ffi_type *t)
reg += 1;
cif->vfp_reg_free = reg;
}
- return;
+ return 0;
next_reg: ;
}
- // done mark all regs as used
- cif->vfp_reg_free = 16;
- cif->vfp_used = 0xFFFF;
+ // done, mark all regs as used
+ cif->vfp_reg_free = 16;
+ cif->vfp_used = 0xFFFF;
+ return 1;
}
static void layout_vfp_args (ffi_cif *cif)
@@ -914,7 +915,9 @@ static void layout_vfp_args (ffi_cif *cif)
for (i = 0; i < cif->nargs; i++)
{
ffi_type *t = cif->arg_types[i];
- if (vfp_type_p (t))
- place_vfp_arg (cif, t);
+ if (vfp_type_p (t) && place_vfp_arg (cif, t) == 1)
+ {
+ break;
+ }
}
}