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-rw-r--r--recipes/gcc/gcc-4.2.3/arm-crunch-floatsi-disable-single.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/recipes/gcc/gcc-4.2.3/arm-crunch-floatsi-disable-single.patch b/recipes/gcc/gcc-4.2.3/arm-crunch-floatsi-disable-single.patch
new file mode 100644
index 0000000000..cdd52244a6
--- /dev/null
+++ b/recipes/gcc/gcc-4.2.3/arm-crunch-floatsi-disable-single.patch
@@ -0,0 +1,38 @@
+--- gcc-4.1.2/gcc/config/arm/cirrus.md-cfcvt 2007-06-25 12:12:39.000000000 +1000
++++ gcc-4.1.2/gcc/config/arm/cirrus.md 2007-06-25 12:16:13.000000000 +1000
+@@ -301,13 +301,14 @@
+ )
+
+ ;; Convert Cirrus-SI to Cirrus-SF
++; appears to be buggy
+ (define_insn "cirrus_floatsisf2"
+ [(set (match_operand:SF 0 "cirrus_fp_register" "=v")
+ (float:SF (match_operand:SI 1 "s_register_operand" "r")))
+ (clobber (match_scratch:DF 2 "=v"))]
+- "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_MAVERICK"
++ "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_MAVERICK && 0"
+ "cfmv64lr%?\\t%Z2, %1\;cfcvt32s%?\\t%V0, %Y2"
+ [(set_attr "length" "8")
+ (set_attr "cirrus" "move")]
+ )
+
+--- gcc-4.1.2/gcc/config/arm/arm.md-cfcvt 2007-06-25 12:16:53.000000000 +1000
++++ gcc-4.1.2/gcc/config/arm/arm.md 2007-06-25 12:18:20.000000000 +1000
+@@ -3125,14 +3125,15 @@
+
+ ;; Fixed <--> Floating conversion insns
+
++;; Maverick Crunch floatsisf2 is buggy - see cirrus.md
+ (define_expand "floatsisf2"
+ [(set (match_operand:SF 0 "s_register_operand" "")
+ (float:SF (match_operand:SI 1 "s_register_operand" "")))]
+- "TARGET_ARM && TARGET_HARD_FLOAT"
++ "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_FPA || TARGET_VFP)"
+ "
+- if (TARGET_MAVERICK)
++ if (TARGET_MAVERICK && 0)
+ {
+ emit_insn (gen_cirrus_floatsisf2 (operands[0], operands[1]));
+ DONE;
+ }
+ ")