diff options
Diffstat (limited to 'gcc/config/avr')
| -rw-r--r-- | gcc/config/avr/avr-passes.cc | 8 | ||||
| -rw-r--r-- | gcc/config/avr/avr.cc | 14 | ||||
| -rw-r--r-- | gcc/config/avr/avr.md | 35 | ||||
| -rw-r--r-- | gcc/config/avr/avr.opt | 4 |
4 files changed, 44 insertions, 17 deletions
diff --git a/gcc/config/avr/avr-passes.cc b/gcc/config/avr/avr-passes.cc index 2c21e7b..284f49d 100644 --- a/gcc/config/avr/avr-passes.cc +++ b/gcc/config/avr/avr-passes.cc @@ -3167,8 +3167,7 @@ bbinfo_t::optimize_one_block (bool &changed) || (bbinfo_t::try_split_any_p && od.try_split_any (this)) || (bbinfo_t::try_mem0_p && od.try_mem0 (this))); - rtx_insn *new_insns = get_insns (); - end_sequence (); + rtx_insn *new_insns = end_sequence (); gcc_assert (found == (od.n_new_insns >= 0)); @@ -3943,10 +3942,7 @@ avr_parallel_insn_from_insns (rtx_insn *i[5]) PATTERN (i[3]), PATTERN (i[4])); start_sequence (); emit (gen_rtx_PARALLEL (VOIDmode, vec)); - rtx_insn *insn = get_insns (); - end_sequence (); - - return insn; + return end_sequence (); } diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc index b192a12..c469297 100644 --- a/gcc/config/avr/avr.cc +++ b/gcc/config/avr/avr.cc @@ -1660,8 +1660,7 @@ avr_prologue_setup_frame (HOST_WIDE_INT size, HARD_REG_SET set) -size_cfa))); } - fp_plus_insns = get_insns (); - end_sequence (); + fp_plus_insns = end_sequence (); /************ Method 2: Adjust Stack pointer ************/ @@ -1693,8 +1692,7 @@ avr_prologue_setup_frame (HOST_WIDE_INT size, HARD_REG_SET set) RTX_FRAME_RELATED_P (insn) = 1; } - sp_plus_insns = get_insns (); - end_sequence (); + sp_plus_insns = end_sequence (); /************ Use shortest method ************/ @@ -2060,8 +2058,7 @@ avr_expand_epilogue (bool sibcall_p) emit_insn (gen_movhi_sp_r (stack_pointer_rtx, fp, GEN_INT (irq_state))); - rtx_insn *fp_plus_insns = get_insns (); - end_sequence (); + rtx_insn *fp_plus_insns = end_sequence (); /********** Method 2: Adjust Stack pointer **********/ @@ -2072,8 +2069,7 @@ avr_expand_epilogue (bool sibcall_p) emit_move_insn (stack_pointer_rtx, plus_constant (Pmode, stack_pointer_rtx, size)); - rtx_insn *sp_plus_insns = get_insns (); - end_sequence (); + rtx_insn *sp_plus_insns = end_sequence (); /************ Use shortest method ************/ @@ -14152,7 +14148,7 @@ avr_hard_regno_mode_ok (unsigned int regno, machine_mode mode) address registers is extreme stress test for reload. */ if (GET_MODE_SIZE (mode) >= 4 - && regno >= REG_X + && regno + GET_MODE_SIZE (mode) >= REG_30 // This problem only concerned the old reload. && ! avropt_lra_p) return false; diff --git a/gcc/config/avr/avr.md b/gcc/config/avr/avr.md index 01b8e4b..f8bbdc7 100644 --- a/gcc/config/avr/avr.md +++ b/gcc/config/avr/avr.md @@ -5273,6 +5273,41 @@ ;;<< << << << << << << << << << << << << << << << << << << << << << << << << << ;; arithmetic shift left +;; Work around PR120423: Transform left shift of a paradoxical subreg +;; into left shift of the zero-extended entity. +(define_split ; PR120423 + [(set (match_operand:HISI 0 "register_operand") + (ashift:HISI (subreg:HISI (match_operand:QIPSI 1 "nonimmediate_operand") + 0) + (match_operand:QI 2 "const_int_operand")))] + "!reload_completed + && !avropt_lra_p + && <HISI:SIZE> > <QIPSI:SIZE>" + [(set (match_dup 4) + (zero_extend:HISI (match_dup 5))) + (set (match_dup 0) + (ashift:HISI (match_dup 4) + (match_dup 2)))] + { + operands[4] = gen_reg_rtx (<HISI:MODE>mode); + operands[5] = force_reg (<QIPSI:MODE>mode, operands[1]); + }) + +;; Similar happens for PR116389. +(define_split ; PR116389 + [(set (match_operand:HISI 0 "register_operand") + (subreg:HISI (match_operand:QIPSI 1 "nonimmediate_operand") + 0))] + "!reload_completed + && !avropt_lra_p + && <HISI:SIZE> > <QIPSI:SIZE>" + [(set (match_dup 0) + (zero_extend:HISI (match_dup 2)))] + { + operands[2] = force_reg (<QIPSI:MODE>mode, operands[1]); + }) + + ;; "ashlqi3" ;; "ashlqq3" "ashluqq3" (define_expand "ashl<mode>3" diff --git a/gcc/config/avr/avr.opt b/gcc/config/avr/avr.opt index fcd2bf6..9883119 100644 --- a/gcc/config/avr/avr.opt +++ b/gcc/config/avr/avr.opt @@ -19,8 +19,8 @@ ; <http://www.gnu.org/licenses/>. mlra -Target Var(avropt_lra_p) UInteger Init(0) Optimization Undocumented -Usa LRA for reload instead of the old reload framework. This option is experimental, and it may be removed in future versions of the compiler. +Target Var(avropt_lra_p) UInteger Init(1) Optimization Undocumented +Usa LRA for reload instead of the old reload framework. This option is experimental, on per default, and it may be removed in future versions of the compiler. mcall-prologues Target Mask(CALL_PROLOGUES) Optimization |