summaryrefslogtreecommitdiff
path: root/recipes/gcc/gcc-4.2.2/arm-crunch-compare-geu.patch
blob: 3d27cc1d9d4ba4c75d88ff97d10a6aa6a3952b4e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
--- gcc-4.1.2/gcc/config/arm/arm.md-original	2007-06-08 06:39:41.000000000 +1000
+++ gcc-4.1.2/gcc/config/arm/arm.md	2007-06-08 06:41:00.000000000 +1000
@@ -7125,6 +7125,22 @@
    (set_attr "length" "8")]
 )
 
+; Special pattern to match GEU for MAVERICK.
+(define_insn "*arm_bgeu"
+  [(set (pc)
+	(if_then_else (geu (match_operand 1 "cc_register" "") (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  "TARGET_ARM && (TARGET_MAVERICK)"
+  "*
+  gcc_assert (!arm_ccfsm_state);
+  if (get_attr_cirrus (prev_active_insn(insn)) == CIRRUS_COMPARE)
+      return \"beq\\t%l0\;bvs\\t%l0\"; else return \"bge\\t%l0\;nop\";
+  "
+  [(set_attr "conds" "jump_clob")
+   (set_attr "length" "8")]
+)
+
 ; Special pattern to match UNLT for MAVERICK - UGLY since we need to test for Z=0 && V=0.
 (define_insn "*arm_bunlt"
   [(set (pc)
@@ -7240,6 +7256,22 @@
    (set_attr "length" "8")]
 )
 
+; Special pattern to match reversed GEU for MAVERICK.
+(define_insn "*arm_bgeu_reversed"
+  [(set (pc)
+	(if_then_else (geu (match_operand 1 "cc_register" "") (const_int 0))
+              (pc)
+		      (label_ref (match_operand 0 "" ""))))]
+  "TARGET_ARM && (TARGET_MAVERICK)"
+  "*
+  gcc_assert (!arm_ccfsm_state);
+
+  return \"beq\\t.+12\;bvs\\t.+8\;b\\t%l0\";
+  "
+  [(set_attr "conds" "jump_clob")
+   (set_attr "length" "12")]
+)
+
 ; Special pattern to match reversed UNLT for MAVERICK.
 (define_insn "*arm_bunlt_reversed"
   [(set (pc)