diff options
Diffstat (limited to 'gcc/config/arm/arm.md')
| -rw-r--r-- | gcc/config/arm/arm.md | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 3853afc..53b633d 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -6028,6 +6028,50 @@ (const_int 8))))] ) +(define_insn "*tlobits_cbranch" + [(set (pc) + (if_then_else + (match_operator 0 "equality_operator" + [(zero_extract:SI (match_operand:SI 1 "s_register_operand" "l") + (match_operand:SI 2 "const_int_operand" "i") + (const_int 0)) + (const_int 0)]) + (label_ref (match_operand 3 "" "")) + (pc))) + (clobber (match_scratch:SI 4 "=l"))] + "TARGET_THUMB" + "* + { + rtx op[3]; + op[0] = operands[4]; + op[1] = operands[1]; + op[2] = GEN_INT (32 - INTVAL (operands[2])); + + output_asm_insn (\"lsl\\t%0, %1, %2\", op); + switch (get_attr_length (insn)) + { + case 4: return \"b%d0\\t%l3\"; + case 6: return \"b%D0\\t.LCB%=\;b\\t%l3\\t%@long jump\\n.LCB%=:\"; + default: return \"b%D0\\t.LCB%=\;bl\\t%l3\\t%@far jump\\n.LCB%=:\"; + } + }" + [(set (attr "far_jump") + (if_then_else + (eq_attr "length" "8") + (const_string "yes") + (const_string "no"))) + (set (attr "length") + (if_then_else + (and (ge (minus (match_dup 3) (pc)) (const_int -250)) + (le (minus (match_dup 3) (pc)) (const_int 256))) + (const_int 4) + (if_then_else + (and (ge (minus (match_dup 3) (pc)) (const_int -2040)) + (le (minus (match_dup 3) (pc)) (const_int 2048))) + (const_int 6) + (const_int 8))))] +) + (define_insn "*tstsi3_cbranch" [(set (pc) (if_then_else |