blob: 5e8383a7d9bff6b9abf978916863548568a8e6da (
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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
2010-12-21 Chung-Lin Tang <cltang@codesourcery.com>
Issue #10201
Backport from mainline:
2010-12-16 Chung-Lin Tang <cltang@codesourcery.com>
PR target/46883
gcc/
* config/arm/arm.md
(zero_extendhisi2 for register input splitter): Change
"register_operand" to "s_register_operand".
(zero_extendqisi2 for register input splitter): Same.
gcc/testsuite/
* gcc.target/arm/pr46883.c: New testcase.
=== modified file 'gcc/config/arm/arm.md'
--- old/gcc/config/arm/arm.md 2011-01-05 11:42:19 +0000
+++ new/gcc/config/arm/arm.md 2011-01-05 11:52:16 +0000
@@ -4114,8 +4114,8 @@
})
(define_split
- [(set (match_operand:SI 0 "register_operand" "")
- (zero_extend:SI (match_operand:HI 1 "register_operand" "")))]
+ [(set (match_operand:SI 0 "s_register_operand" "")
+ (zero_extend:SI (match_operand:HI 1 "s_register_operand" "")))]
"!TARGET_THUMB2 && !arm_arch6"
[(set (match_dup 0) (ashift:SI (match_dup 2) (const_int 16)))
(set (match_dup 0) (lshiftrt:SI (match_dup 0) (const_int 16)))]
@@ -4234,8 +4234,8 @@
})
(define_split
- [(set (match_operand:SI 0 "register_operand" "")
- (zero_extend:SI (match_operand:QI 1 "register_operand" "")))]
+ [(set (match_operand:SI 0 "s_register_operand" "")
+ (zero_extend:SI (match_operand:QI 1 "s_register_operand" "")))]
"!arm_arch6"
[(set (match_dup 0) (ashift:SI (match_dup 2) (const_int 24)))
(set (match_dup 0) (lshiftrt:SI (match_dup 0) (const_int 24)))]
=== added file 'gcc/testsuite/gcc.target/arm/pr46883.c'
--- old/gcc/testsuite/gcc.target/arm/pr46883.c 1970-01-01 00:00:00 +0000
+++ new/gcc/testsuite/gcc.target/arm/pr46883.c 2011-01-05 11:52:16 +0000
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -march=armv5te" } */
+
+void bar (unsigned char *q, unsigned short *data16s, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ {
+ q[2 * i] =
+ (((data16s[i] & 0xFF) << 8) | ((data16s[i] >> 8) & 0xFF)) & 0xFF;
+ q[2 * i + 1] =
+ ((unsigned short)
+ (((data16s[i] & 0xFF) << 8) | ((data16s[i] >> 8) & 0xFF))) >> 8;
+ }
+}
|
