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-rw-r--r--toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99455.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99455.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99455.patch
new file mode 100644
index 0000000..5e8383a
--- /dev/null
+++ b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99455.patch
@@ -0,0 +1,65 @@
+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;
++ }
++}
+