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Fix fct param passing of struct with size < 4

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This commit is contained in:
Thomas Preud'homme 2014-02-03 11:13:42 +08:00
parent 9fc57302f8
commit 4760804dba
1 changed files with 3 additions and 2 deletions
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5
arm-gen.c
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@ -947,6 +947,8 @@ static int assign_regs(int nb_args, int float_abi, struct plan *plan, int *todo)
for(i = nb_args; i-- ;) {
int j, start_vfpreg = 0;
size = type_size(&vtop[-i].type, &align);
size = (size + 3) & ~3;
align = (align + 3) & ~3;
switch(vtop[-i].type.t & VT_BTYPE) {
case VT_STRUCT:
case VT_FLOAT:
@ -972,8 +974,7 @@ static int assign_regs(int nb_args, int float_abi, struct plan *plan, int *todo)
break;
}
}
ncrn = (ncrn + (align-1)/4) & -(align/4);
size = (size + 3) & -4;
ncrn = (ncrn + (align-1)/4) & ~((align/4) - 1);
if (ncrn + size/4 <= 4 || (ncrn < 4 && start_vfpreg != -1)) {
/* The parameter is allocated both in core register and on stack. As
* such, it can be of either class: it would either be the last of