blob: 31fa99a2e3224f504e75cccfb5fed38559921659 (
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
Merge from Sourcery G++ 4.4:
2009-08-26 Kazu Hirata <kazu@codesourcery.com>
Issue #6089
gcc/
* config/arm/arm.c (arm_rtx_costs_1): Don't special case for
Thumb-2 in the MINUS case.
2010-07-26 Julian Brown <julian@codesourcery.com>
Backport from FSF mainline:
gcc/
=== modified file 'gcc/config/arm/arm.c'
--- old/gcc/config/arm/arm.c 2010-08-12 13:35:39 +0000
+++ new/gcc/config/arm/arm.c 2010-08-12 14:08:29 +0000
@@ -6494,23 +6494,6 @@
return true;
case MINUS:
- if (TARGET_THUMB2)
- {
- if (GET_MODE_CLASS (mode) == MODE_FLOAT)
- {
- if (TARGET_HARD_FLOAT && (mode == SFmode || mode == DFmode))
- *total = COSTS_N_INSNS (1);
- else
- *total = COSTS_N_INSNS (20);
- }
- else
- *total = COSTS_N_INSNS (ARM_NUM_REGS (mode));
- /* Thumb2 does not have RSB, so all arguments must be
- registers (subtracting a constant is canonicalized as
- addition of the negated constant). */
- return false;
- }
-
if (mode == DImode)
{
*total = COSTS_N_INSNS (ARM_NUM_REGS (mode));
|
