diff options
Diffstat (limited to 'packages/gcc/gcc-4.2.1/arm-crunch-compare-unordered.patch')
| -rw-r--r-- | packages/gcc/gcc-4.2.1/arm-crunch-compare-unordered.patch | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/packages/gcc/gcc-4.2.1/arm-crunch-compare-unordered.patch b/packages/gcc/gcc-4.2.1/arm-crunch-compare-unordered.patch new file mode 100644 index 0000000000..c4fcdb3746 --- /dev/null +++ b/packages/gcc/gcc-4.2.1/arm-crunch-compare-unordered.patch @@ -0,0 +1,98 @@ +--- gcc-4.1.2/gcc/config/arm/arm.md-original 2007-06-07 14:45:22.000000000 +1000 ++++ gcc-4.1.2/gcc/config/arm/arm.md 2007-06-07 15:13:58.000000000 +1000 +@@ -7001,16 +7001,16 @@ + (if_then_else (unordered (match_dup 1) (const_int 0)) + (label_ref (match_operand 0 "" "")) + (pc)))] +- "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_FPA || TARGET_VFP)" ++ "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_FPA || TARGET_VFP || TARGET_MAVERICK)" + "operands[1] = arm_gen_compare_reg (UNORDERED, arm_compare_op0, + arm_compare_op1);" + ) + + (define_expand "bordered" + [(set (pc) + (if_then_else (ordered (match_dup 1) (const_int 0)) + (label_ref (match_operand 0 "" "")) + (pc)))] +- "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_FPA || TARGET_VFP)" ++ "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_FPA || TARGET_VFP || TARGET_MAVERICK)" + "operands[1] = arm_gen_compare_reg (ORDERED, arm_compare_op0, + arm_compare_op1);" +@@ -7141,6 +7141,38 @@ + (set_attr "length" "8")] + ) + ++; Special pattern to match UNORDERED for MAVERICK - UGLY since we need to test for Z=0 && N=0. ++(define_insn "*arm_bunordered" ++ [(set (pc) ++ (if_then_else (unordered (match_operand:CCFP 1 "cc_register" "") (const_int 0)) ++ (label_ref (match_operand 0 "" "")) ++ (pc)))] ++ "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_MAVERICK)" ++ "* ++ gcc_assert (!arm_ccfsm_state); ++ ++ return \"beq\\t.+12\;bmi\\t.+8\;b\\t%l0\"; ++ " ++ [(set_attr "conds" "jump_clob") ++ (set_attr "length" "12")] ++) ++ ++; Special pattern to match ORDERED for MAVERICK. ++(define_insn "*arm_bordered" ++ [(set (pc) ++ (if_then_else (ordered (match_operand:CCFP 1 "cc_register" "") (const_int 0)) ++ (label_ref (match_operand 0 "" "")) ++ (pc)))] ++ "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_MAVERICK)" ++ "* ++ gcc_assert (!arm_ccfsm_state); ++ ++ return \"beq\\t%l0\;bmi\\t%l0\"; ++ " ++ [(set_attr "conds" "jump_clob") ++ (set_attr "length" "8")] ++) ++ + (define_insn "*arm_cond_branch" + [(set (pc) + (if_then_else (match_operator 1 "arm_comparison_operator" +@@ -7224,6 +7256,37 @@ + (set_attr "length" "8")] + ) + ++; Special pattern to match reversed UNORDERED for MAVERICK. ++(define_insn "*arm_bunordered_reversed" ++ [(set (pc) ++ (if_then_else (unordered (match_operand:CCFP 1 "cc_register" "") (const_int 0)) ++ (pc) ++ (label_ref (match_operand 0 "" ""))))] ++ "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_MAVERICK)" ++ "* ++ gcc_assert (!arm_ccfsm_state); ++ ++ return \"beq\\t%l0\;bmi\\t%l0\"; ++ " ++ [(set_attr "conds" "jump_clob") ++ (set_attr "length" "8")] ++) ++ ++; Special pattern to match reversed ORDERED for MAVERICK - UGLY since we need to test for Z=0 && N=0. ++(define_insn "*arm_bordered_reversed" ++ [(set (pc) ++ (if_then_else (ordered (match_operand:CCFP 1 "cc_register" "") (const_int 0)) ++ (pc) ++ (label_ref (match_operand 0 "" ""))))] ++ "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_MAVERICK)" ++ "* ++ gcc_assert (!arm_ccfsm_state); ++ ++ return \"beq\\t.+12\;bmi\\t.+8\;b\\t%l0\"; ++ " ++ [(set_attr "conds" "jump_clob") ++ (set_attr "length" "12")] ++) + + (define_insn "*arm_cond_branch_reversed" + [(set (pc) |