blob: 3d4ba4f9157edb512438d382107858faa7909457 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dom2" } */
typedef struct rs6000_stack {
int first_gp_reg_save;
} rs6000_stack_t;
extern char regs_ever_live[113];
extern rs6000_stack_t *rs6000_stack_info (void);
void
rs6000_emit_prologue (int i, rs6000_stack_t *info)
{
if (regs_ever_live[info->first_gp_reg_save + i] || i+info->first_gp_reg_save)
gen_rtx_REG (info->first_gp_reg_save + i);
}
/* There should be precisely one load of first_gp_reg_save. If there is
more than one, then the dominator optimizations failed. */
/* { dg-final { scan-tree-dump-times "first_gp_reg_save" 1 "dom2"} } */
/* There should be precisely one addition. If there is more than one, then
the dominator optimizations failed, most likely due to not handling
commutative operands correctly. */
/* { dg-final { scan-tree-dump-times "\\+" 1 "dom2"} } */
/* { dg-final { cleanup-tree-dump "dom2" } } */
|
