diff options
Diffstat (limited to 'toolchain/gcc/4.3.2/999-4.3.2-arm-fix-for-bug-37436.patch')
| -rw-r--r-- | toolchain/gcc/4.3.2/999-4.3.2-arm-fix-for-bug-37436.patch | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/toolchain/gcc/4.3.2/999-4.3.2-arm-fix-for-bug-37436.patch b/toolchain/gcc/4.3.2/999-4.3.2-arm-fix-for-bug-37436.patch new file mode 100644 index 000000000..99a016fbe --- /dev/null +++ b/toolchain/gcc/4.3.2/999-4.3.2-arm-fix-for-bug-37436.patch @@ -0,0 +1,86 @@ +gcc svn 142778: + +PR target/37436 +* arm.c (arm_legitimate_index): Only accept addresses that are in +canonical form. +* predicates.md (arm_reg_or_extendqisi_mem_op): New predicate. +* arm.md (extendqihi2): Use arm_reg_or_extendqisi_mem_op predicate +for operand1. +(extendqisi2): Likewise. +(arm_extendqisi, arm_extendqisi_v6): Use arm_extendqisi_mem_op +predicate for operand1. + +diff -Nura gcc-4.3.3.orig/gcc/config/arm/arm.c gcc-4.3.3/gcc/config/arm/arm.c +--- gcc-4.3.3.orig/gcc/config/arm/arm.c 2008-06-11 07:52:55.000000000 -0300 ++++ gcc-4.3.3/gcc/config/arm/arm.c 2009-05-21 16:06:45.000000000 -0300 +@@ -3769,6 +3769,7 @@ + rtx xop1 = XEXP (x, 1); + + return ((arm_address_register_rtx_p (xop0, strict_p) ++ && GET_CODE(xop1) == CONST_INT + && arm_legitimate_index_p (mode, xop1, outer, strict_p)) + || (arm_address_register_rtx_p (xop1, strict_p) + && arm_legitimate_index_p (mode, xop0, outer, strict_p))); +diff -Nura gcc-4.3.3.orig/gcc/config/arm/arm.md gcc-4.3.3/gcc/config/arm/arm.md +--- gcc-4.3.3.orig/gcc/config/arm/arm.md 2007-09-04 01:44:47.000000000 -0300 ++++ gcc-4.3.3/gcc/config/arm/arm.md 2009-05-21 16:06:45.000000000 -0300 +@@ -4199,7 +4199,7 @@ + + (define_expand "extendqihi2" + [(set (match_dup 2) +- (ashift:SI (match_operand:QI 1 "general_operand" "") ++ (ashift:SI (match_operand:QI 1 "arm_reg_or_extendqisi_mem_op" "") + (const_int 24))) + (set (match_operand:HI 0 "s_register_operand" "") + (ashiftrt:SI (match_dup 2) +@@ -4224,7 +4224,7 @@ + + (define_insn "*arm_extendqihi_insn" + [(set (match_operand:HI 0 "s_register_operand" "=r") +- (sign_extend:HI (match_operand:QI 1 "memory_operand" "Uq")))] ++ (sign_extend:HI (match_operand:QI 1 "arm_extendqisi_mem_op" "Uq")))] + "TARGET_ARM && arm_arch4" + "ldr%(sb%)\\t%0, %1" + [(set_attr "type" "load_byte") +@@ -4235,7 +4235,7 @@ + + (define_expand "extendqisi2" + [(set (match_dup 2) +- (ashift:SI (match_operand:QI 1 "general_operand" "") ++ (ashift:SI (match_operand:QI 1 "arm_reg_or_extendqisi_mem_op" "") + (const_int 24))) + (set (match_operand:SI 0 "s_register_operand" "") + (ashiftrt:SI (match_dup 2) +@@ -4267,7 +4267,7 @@ + + (define_insn "*arm_extendqisi" + [(set (match_operand:SI 0 "s_register_operand" "=r") +- (sign_extend:SI (match_operand:QI 1 "memory_operand" "Uq")))] ++ (sign_extend:SI (match_operand:QI 1 "arm_extendqisi_mem_op" "Uq")))] + "TARGET_ARM && arm_arch4 && !arm_arch6" + "ldr%(sb%)\\t%0, %1" + [(set_attr "type" "load_byte") +@@ -4278,7 +4278,8 @@ + + (define_insn "*arm_extendqisi_v6" + [(set (match_operand:SI 0 "s_register_operand" "=r,r") +- (sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "r,Uq")))] ++ (sign_extend:SI ++ (match_operand:QI 1 "arm_reg_or_extendqisi_mem_op" "r,Uq")))] + "TARGET_ARM && arm_arch6" + "@ + sxtb%?\\t%0, %1 +diff -Nura gcc-4.3.3.orig/gcc/config/arm/predicates.md gcc-4.3.3/gcc/config/arm/predicates.md +--- gcc-4.3.3.orig/gcc/config/arm/predicates.md 2007-08-02 07:49:31.000000000 -0300 ++++ gcc-4.3.3/gcc/config/arm/predicates.md 2009-05-21 16:06:45.000000000 -0300 +@@ -234,6 +234,10 @@ + (match_test "arm_legitimate_address_p (mode, XEXP (op, 0), SIGN_EXTEND, + 0)"))) + ++(define_special_predicate "arm_reg_or_extendqisi_mem_op" ++ (ior (match_operand 0 "arm_extendqisi_mem_op") ++ (match_operand 0 "s_register_operand"))) ++ + (define_predicate "power_of_two_operand" + (match_code "const_int") + { |