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-rw-r--r--patches/gcc/3.3.6/gcc-3.3.4-arm-pr22528.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/patches/gcc/3.3.6/gcc-3.3.4-arm-pr22528.patch b/patches/gcc/3.3.6/gcc-3.3.4-arm-pr22528.patch
new file mode 100644
index 0000000..0611e2c
--- /dev/null
+++ b/patches/gcc/3.3.6/gcc-3.3.4-arm-pr22528.patch
@@ -0,0 +1,71 @@
+From http://gcc.gnu.org/ml/gcc-patches/2003-11/msg00832.html, by
+Richard Earnshaw. Fixes http://gcc.gnu.org/PR22528
+
+--- gcc-3.3.4/gcc/config/arm/arm.md.orig 2004-03-30 22:43:44.000000000 +0200
++++ gcc-3.3.4/gcc/config/arm/arm.md 2005-08-15 12:21:55.000000000 +0200
+@@ -4275,7 +4275,7 @@
+ (set (match_dup 2)
+ (ashiftrt:SI (match_operand 0 "" "") (const_int 8)))
+ ;; store the high byte
+- (set (match_dup 4) (subreg:QI (match_dup 2) 0))] ;explicit subreg safe
++ (set (match_dup 4) (match_dup 5))]
+ "TARGET_ARM"
+ "
+ {
+@@ -4291,7 +4291,8 @@
+ operands[1] = adjust_address (operands[1], QImode, 0);
+ operands[3] = gen_lowpart (QImode, operands[0]);
+ operands[0] = gen_lowpart (SImode, operands[0]);
+- operands[2] = gen_reg_rtx (SImode);
++ operands[2] = gen_reg_rtx (SImode);
++ operands[5] = gen_lowpart (QImode, operands[2]);
+ }"
+ )
+
+@@ -4299,7 +4300,7 @@
+ [(set (match_dup 4) (match_dup 3))
+ (set (match_dup 2)
+ (ashiftrt:SI (match_operand 0 "" "") (const_int 8)))
+- (set (match_operand 1 "" "") (subreg:QI (match_dup 2) 3))]
++ (set (match_operand 1 "" "") (match_dup 5))]
+ "TARGET_ARM"
+ "
+ {
+@@ -4316,13 +4317,14 @@
+ operands[3] = gen_lowpart (QImode, operands[0]);
+ operands[0] = gen_lowpart (SImode, operands[0]);
+ operands[2] = gen_reg_rtx (SImode);
++ operands[5] = gen_lowpart (QImode, operands[2]);
+ }"
+ )
+
+ ;; Subroutine to store a half word integer constant into memory.
+ (define_expand "storeinthi"
+ [(set (match_operand 0 "" "")
+- (subreg:QI (match_operand 1 "" "") 0))
++ (match_operand 1 "" ""))
+ (set (match_dup 3) (match_dup 2))]
+ "TARGET_ARM"
+ "
+@@ -4363,6 +4365,7 @@
+ operands[3] = adjust_address (op0, QImode, 1);
+ operands[0] = adjust_address (operands[0], QImode, 0);
+ operands[2] = gen_lowpart (QImode, operands[2]);
++ operands[1] = gen_lowpart (QImode, operands[1]);
+ }"
+ )
+
+@@ -4682,11 +4685,12 @@
+ (set (match_dup 3)
+ (ashiftrt:SI (match_dup 2) (const_int 16)))
+ (set (match_operand:HI 0 "s_register_operand" "")
+- (subreg:HI (match_dup 3) 0))]
++ (match_dup 4))]
+ "TARGET_ARM"
+ "
+ operands[2] = gen_reg_rtx (SImode);
+ operands[3] = gen_reg_rtx (SImode);
++ operands[4] = gen_lowpart (HImode, operands[3]);
+ "
+ )
+