summaryrefslogtreecommitdiffstats
path: root/toolchain/gcc/patches/4.3.3+cs/410-fix_pr37436.patch
diff options
context:
space:
mode:
Diffstat (limited to 'toolchain/gcc/patches/4.3.3+cs/410-fix_pr37436.patch')
-rw-r--r--toolchain/gcc/patches/4.3.3+cs/410-fix_pr37436.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.3.3+cs/410-fix_pr37436.patch b/toolchain/gcc/patches/4.3.3+cs/410-fix_pr37436.patch
new file mode 100644
index 0000000000..e86768e4d1
--- /dev/null
+++ b/toolchain/gcc/patches/4.3.3+cs/410-fix_pr37436.patch
@@ -0,0 +1,71 @@
+--- a/gcc/config/arm/arm.c
++++ b/gcc/config/arm/arm.c
+@@ -5073,6 +5073,7 @@ arm_legitimate_address_p (enum machine_m
+ 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)));
+--- a/gcc/config/arm/arm.md
++++ b/gcc/config/arm/arm.md
+@@ -4683,7 +4683,7 @@
+
+ (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)
+@@ -4708,7 +4708,7 @@
+
+ (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")
+@@ -4719,7 +4719,7 @@
+
+ (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)
+@@ -4751,7 +4751,7 @@
+
+ (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")
+@@ -4762,7 +4762,8 @@
+
+ (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
+--- a/gcc/config/arm/predicates.md
++++ b/gcc/config/arm/predicates.md
+@@ -239,6 +239,10 @@
+ (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")
+ {