diff options
Diffstat (limited to 'gcc/config/nios2/nios2.md')
| -rw-r--r-- | gcc/config/nios2/nios2.md | 81 |
1 files changed, 70 insertions, 11 deletions
diff --git a/gcc/config/nios2/nios2.md b/gcc/config/nios2/nios2.md index 206ebce1c46..ef2883f2516 100644 --- a/gcc/config/nios2/nios2.md +++ b/gcc/config/nios2/nios2.md @@ -201,7 +201,7 @@ "addi\\t%0, %1, %L2" [(set_attr "type" "alu")]) -(define_insn "movqi_internal" +(define_insn_and_split "movqi_internal" [(set (match_operand:QI 0 "nonimmediate_operand" "=m, r,r") (match_operand:QI 1 "general_operand" "rM,m,rI"))] "(register_operand (operands[0], QImode) @@ -224,20 +224,47 @@ gcc_unreachable (); } } + "(nios2_symbolic_memory_operand_p (operands[0]) + || nios2_symbolic_memory_operand_p (operands[1]))" + [(set (match_dup 0) (match_dup 1))] + { + if (nios2_symbolic_memory_operand_p (operands[0])) + operands[0] = nios2_split_symbolic_memory_operand (operands[0]); + else + operands[1] = nios2_split_symbolic_memory_operand (operands[1]); + } [(set_attr "type" "st,ld,mov")]) -(define_insn "movhi_internal" +(define_insn_and_split "movhi_internal" [(set (match_operand:HI 0 "nonimmediate_operand" "=m, r,r") (match_operand:HI 1 "general_operand" "rM,m,rI"))] "(register_operand (operands[0], HImode) || reg_or_0_operand (operands[1], HImode))" - "@ - sth%o0%.\\t%z1, %0 - ldhu%o1%.\\t%0, %1 - mov%i1%.\\t%0, %z1" + { + switch (which_alternative) + { + case 0: + return "sth%o0%.\\t%z1, %0"; + case 1: + return "ldhu%o1%.\\t%0, %1"; + case 2: + return "mov%i1%.\\t%0, %z1"; + default: + gcc_unreachable (); + } + } + "(nios2_symbolic_memory_operand_p (operands[0]) + || nios2_symbolic_memory_operand_p (operands[1]))" + [(set (match_dup 0) (match_dup 1))] + { + if (nios2_symbolic_memory_operand_p (operands[0])) + operands[0] = nios2_split_symbolic_memory_operand (operands[0]); + else + operands[1] = nios2_split_symbolic_memory_operand (operands[1]); + } [(set_attr "type" "st,ld,mov")]) -(define_insn "movsi_internal" +(define_insn_and_split "movsi_internal" [(set (match_operand:SI 0 "nonimmediate_operand" "=m, r,r, r") (match_operand:SI 1 "general_operand" "rM,m,rIJK,S"))] "(register_operand (operands[0], SImode) @@ -269,6 +296,18 @@ gcc_unreachable (); } } + "(nios2_symbolic_memory_operand_p (operands[0]) + || nios2_symbolic_memory_operand_p (operands[1]) + || nios2_large_constant_p (operands[1]))" + [(set (match_dup 0) (match_dup 1))] + { + if (nios2_symbolic_memory_operand_p (operands[0])) + operands[0] = nios2_split_symbolic_memory_operand (operands[0]); + else if (nios2_symbolic_memory_operand_p (operands[1])) + operands[1] = nios2_split_symbolic_memory_operand (operands[1]); + else + operands[1] = nios2_split_large_constant (operands[1], operands[0]); + } [(set_attr "type" "st,ld,mov,alu")]) (define_mode_iterator BH [QI HI]) @@ -318,42 +357,62 @@ (define_mode_iterator QX [HI SI]) ;; Zero extension patterns -(define_insn "zero_extendhisi2" +(define_insn_and_split "zero_extendhisi2" [(set (match_operand:SI 0 "register_operand" "=r,r") (zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "r,m")))] "" "@ andi%.\\t%0, %1, 0xffff ldhu%o1%.\\t%0, %1" + "nios2_symbolic_memory_operand_p (operands[1])" + [(set (match_dup 0) (zero_extend:SI (match_dup 1)))] + { + operands[1] = nios2_split_symbolic_memory_operand (operands[1]); + } [(set_attr "type" "and,ld")]) -(define_insn "zero_extendqi<mode>2" +(define_insn_and_split "zero_extendqi<mode>2" [(set (match_operand:QX 0 "register_operand" "=r,r") (zero_extend:QX (match_operand:QI 1 "nonimmediate_operand" "r,m")))] "" "@ andi%.\\t%0, %1, 0xff ldbu%o1%.\\t%0, %1" + "nios2_symbolic_memory_operand_p (operands[1])" + [(set (match_dup 0) (zero_extend:QX (match_dup 1)))] + { + operands[1] = nios2_split_symbolic_memory_operand (operands[1]); + } [(set_attr "type" "and,ld")]) ;; Sign extension patterns -(define_insn "extendhisi2" +(define_insn_and_split "extendhisi2" [(set (match_operand:SI 0 "register_operand" "=r,r") (sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "r,m")))] "" "@ # ldh%o1%.\\t%0, %1" + "nios2_symbolic_memory_operand_p (operands[1])" + [(set (match_dup 0) (sign_extend:SI (match_dup 1)))] + { + operands[1] = nios2_split_symbolic_memory_operand (operands[1]); + } [(set_attr "type" "alu,ld")]) -(define_insn "extendqi<mode>2" +(define_insn_and_split "extendqi<mode>2" [(set (match_operand:QX 0 "register_operand" "=r,r") (sign_extend:QX (match_operand:QI 1 "nonimmediate_operand" "r,m")))] "" "@ # ldb%o1%.\\t%0, %1" + "nios2_symbolic_memory_operand_p (operands[1])" + [(set (match_dup 0) (sign_extend:QX (match_dup 1)))] + { + operands[1] = nios2_split_symbolic_memory_operand (operands[1]); + } [(set_attr "type" "alu,ld")]) ;; Split patterns for register alternative cases. |