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2010-09-21 Yao Qi <yao@codesourcery.com>
Backport from FSF to fix ICE found in LP:635409:
2010-07-07 Bernd Schmidt <bernds@codesourcery.com>
gcc/
PR rtl-optimization/44787
* config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
* config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.
gcc/testsuite/
PR rtl-optimization/44787
* gcc.c-torture/compile/pr44788.c: New test.
* gcc.target/arm/pr44788.c: New test.
2010-09-16 Andrew Stubbs <ams@codesourcery.com>
Backport from FSF:
=== modified file 'gcc/config/arm/arm.md'
--- old/gcc/config/arm/arm.md 2010-09-16 09:15:46 +0000
+++ new/gcc/config/arm/arm.md 2010-09-22 05:54:42 +0000
@@ -9268,7 +9268,7 @@
[(match_operator:SI 3 "shift_operator"
[(match_operand:SI 4 "s_register_operand" "r")
(match_operand:SI 5 "reg_or_int_operand" "rI")])
- (match_operand:SI 2 "s_register_operand" "r")]))]
+ (match_operand:SI 2 "s_register_operand" "rk")]))]
"TARGET_ARM"
"%i1%?\\t%0, %2, %4%S3"
[(set_attr "predicable" "yes")
=== modified file 'gcc/config/arm/thumb2.md'
--- old/gcc/config/arm/thumb2.md 2010-09-01 13:29:58 +0000
+++ new/gcc/config/arm/thumb2.md 2010-09-22 05:54:42 +0000
@@ -467,7 +467,7 @@
[(match_operator:SI 3 "shift_operator"
[(match_operand:SI 4 "s_register_operand" "r")
(match_operand:SI 5 "const_shift_count" "M")])
- (match_operand:SI 2 "s_register_operand" "r")]))]
+ (match_operand:SI 2 "s_register_operand" "rk")]))]
"TARGET_THUMB2"
"%i1%?\\t%0, %2, %4%S3"
[(set_attr "predicable" "yes")
=== added file 'gcc/testsuite/gcc.c-torture/compile/pr44788.c'
--- old/gcc/testsuite/gcc.c-torture/compile/pr44788.c 1970-01-01 00:00:00 +0000
+++ new/gcc/testsuite/gcc.c-torture/compile/pr44788.c 2010-09-22 05:54:42 +0000
@@ -0,0 +1,8 @@
+void joint_decode(float* mlt_buffer1, int t) {
+ int i;
+ float decode_buffer[1060];
+ foo(decode_buffer);
+ for (i=0; i<10 ; i++) {
+ mlt_buffer1[i] = i * decode_buffer[t];
+ }
+}
=== added file 'gcc/testsuite/gcc.target/arm/pr44788.c'
--- old/gcc/testsuite/gcc.target/arm/pr44788.c 1970-01-01 00:00:00 +0000
+++ new/gcc/testsuite/gcc.target/arm/pr44788.c 2010-09-22 05:54:42 +0000
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target arm_thumb2_ok } */
+/* { dg-options "-Os -fno-strict-aliasing -fPIC -mthumb -march=armv7-a -mfpu=vfp3 -mfloat-abi=softfp" } */
+
+void joint_decode(float* mlt_buffer1, int t) {
+ int i;
+ float decode_buffer[1060];
+ foo(decode_buffer);
+ for (i=0; i<10 ; i++) {
+ mlt_buffer1[i] = i * decode_buffer[t];
+ }
+}
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