genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
* genattrtab.c (write_attr_value): Do not abort for CONST_INT operands. * i386.c (ix86_attr_length_default): Kill. (ix86_attr_length_immediate_default, ix86_attr_length_address_default): New. * i386-protos.h (ix86_attr_length_default): Kill (ix86_attr_length_immediate_default, ix86_attr_length_address_default): Add prototype * i386.md (attribute type): Add "test". (attribute length_prefix): Kill. (attribute length_opcode): Kill. (attribute i387, mode, length_immediate, length_address, prefix_data16, prefix_rep, prefix_0f, modrm): New. (attribute length): Compute using the new attributes. (attribute pent_prefix): New. (attribute pent_pair): Compute using pent_prefix. (all insn patterns): Set mode,modrm and immediate_length attributes where needed. (cmpsi patterns): Compute sizes propertly for test instruction. (movsi, movhi patterns): Compute sizes propertly for eax shortcuts. (movstricthi_xor, movstrictqi_xor): New patterns. (andsi/andhi): Use splitters to generate xor instructions. (xorqi_ext_1): New pattern. (movstricthi->movstricthi_xor peep2): New. From-SVN: r34731
This commit is contained in:
Jan Hubicka
Jan Hubicka
parent
638f9bae60
commit
6ef67412e8
5 changed files with 960 additions and 557 deletions
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@ -1,3 +1,29 @@
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Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
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* genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
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* i386.c (ix86_attr_length_default): Kill.
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(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
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New.
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* i386-protos.h (ix86_attr_length_default): Kill
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(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
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Add prototype
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* i386.md (attribute type): Add "test".
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(attribute length_prefix): Kill.
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(attribute length_opcode): Kill.
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(attribute i387, mode, length_immediate, length_address, prefix_data16,
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prefix_rep, prefix_0f, modrm): New.
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(attribute length): Compute using the new attributes.
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(attribute pent_prefix): New.
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(attribute pent_pair): Compute using pent_prefix.
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(all insn patterns): Set mode,modrm and immediate_length attributes where
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needed.
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(cmpsi patterns): Compute sizes propertly for test instruction.
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(movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
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(movstricthi_xor, movstrictqi_xor): New patterns.
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(andsi/andhi): Use splitters to generate xor instructions.
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(xorqi_ext_1): New pattern.
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(movstricthi->movstricthi_xor peep2): New.
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Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
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* i386.md (addqi_low_1): Remove.
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@ -113,7 +113,8 @@ extern void ix86_expand_strlensi_unroll_1 PARAMS ((rtx, rtx, rtx));
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extern int ix86_address_cost PARAMS ((rtx));
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extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int));
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extern int ix86_attr_length_default PARAMS ((rtx));
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extern int ix86_attr_length_immediate_default PARAMS ((rtx, int));
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extern int ix86_attr_length_address_default PARAMS ((rtx));
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extern int ix86_issue_rate PARAMS ((void));
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extern int ix86_adjust_cost PARAMS ((rtx, rtx, rtx, int));
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@ -6156,119 +6156,59 @@ memory_address_length (addr)
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return len;
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}
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/* Compute default value for "length_immediate" attribute. When SHORTFORM is set
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expect that insn have 8bit immediate alternative. */
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int
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ix86_attr_length_default (insn)
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ix86_attr_length_immediate_default (insn, shortform)
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rtx insn;
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int shortform;
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{
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int len = 0;
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int i;
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extract_insn (insn);
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for (i = recog_data.n_operands - 1; i >= 0; --i)
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if (CONSTANT_P (recog_data.operand[i]))
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{
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if (len)
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abort ();
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if (shortform
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&& GET_CODE (recog_data.operand[i]) == CONST_INT
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&& CONST_OK_FOR_LETTER_P (INTVAL (recog_data.operand[i]), 'K'))
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len = 1;
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else
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{
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switch (get_attr_mode (insn))
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{
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case MODE_QI:
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len+=1;
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break;
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case MODE_HI:
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len+=2;
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break;
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case MODE_SI:
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len+=4;
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break;
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default:
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fatal_insn ("Unknown insn mode", insn);
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}
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}
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}
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return len;
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}
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/* Compute default value for "length_address" attribute. */
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int
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ix86_attr_length_address_default (insn)
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rtx insn;
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{
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enum attr_type type;
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int len = 0, i;
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type = get_attr_type (insn);
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int i;
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extract_insn (insn);
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switch (type)
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{
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case TYPE_INCDEC:
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case TYPE_SETCC:
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case TYPE_ICMOV:
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case TYPE_FMOV:
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case TYPE_FOP:
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case TYPE_FCMP:
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case TYPE_FOP1:
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case TYPE_FMUL:
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case TYPE_FDIV:
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case TYPE_FSGN:
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case TYPE_FPSPC:
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case TYPE_FCMOV:
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case TYPE_IBR:
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break;
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case TYPE_STR:
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case TYPE_CLD:
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len = 0;
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case TYPE_ALU1:
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case TYPE_NEGNOT:
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case TYPE_ALU:
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case TYPE_ICMP:
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case TYPE_IMOVX:
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case TYPE_ISHIFT:
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case TYPE_IMUL:
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case TYPE_IDIV:
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case TYPE_PUSH:
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case TYPE_POP:
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for (i = recog_data.n_operands - 1; i >= 0; --i)
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if (CONSTANT_P (recog_data.operand[i]))
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{
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if (GET_CODE (recog_data.operand[i]) == CONST_INT
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&& CONST_OK_FOR_LETTER_P (INTVAL (recog_data.operand[i]), 'K'))
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len += 1;
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else
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len += GET_MODE_SIZE (GET_MODE (recog_data.operand[0]));
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}
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break;
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case TYPE_IMOV:
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if (CONSTANT_P (recog_data.operand[1]))
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len += GET_MODE_SIZE (GET_MODE (recog_data.operand[0]));
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break;
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case TYPE_CALL:
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if (constant_call_address_operand (recog_data.operand[0],
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GET_MODE (recog_data.operand[0])))
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return 5;
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break;
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case TYPE_CALLV:
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if (constant_call_address_operand (recog_data.operand[1],
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GET_MODE (recog_data.operand[1])))
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return 5;
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break;
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case TYPE_LEA:
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{
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/* Irritatingly, single_set doesn't work with REG_UNUSED present,
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as we'll get from running life_analysis during reg-stack when
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not optimizing. Not that it matters anyway, now that
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pro_epilogue_adjust_stack uses lea, and is by design not
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single_set. */
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rtx set = PATTERN (insn);
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if (GET_CODE (set) == SET)
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;
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else if (GET_CODE (set) == PARALLEL
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&& GET_CODE (XVECEXP (set, 0, 0)) == SET)
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set = XVECEXP (set, 0, 0);
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else
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abort ();
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len += memory_address_length (SET_SRC (set));
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goto just_opcode;
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}
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case TYPE_OTHER:
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case TYPE_MULTI:
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return 15;
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case TYPE_FXCH:
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if (STACK_TOP_P (recog_data.operand[0]))
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return 2 + (REGNO (recog_data.operand[1]) != FIRST_STACK_REG + 1);
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else
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return 2 + (REGNO (recog_data.operand[0]) != FIRST_STACK_REG + 1);
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default:
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abort ();
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}
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for (i = recog_data.n_operands - 1; i >= 0; --i)
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if (GET_CODE (recog_data.operand[i]) == MEM)
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{
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len += memory_address_length (XEXP (recog_data.operand[i], 0));
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return memory_address_length (XEXP (recog_data.operand[i], 0));
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break;
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}
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just_opcode:
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len += get_attr_length_opcode (insn);
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len += get_attr_length_prefix (insn);
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return len;
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return 0;
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}
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/* Return the maximum number of instructions a cpu can issue. */
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File diff suppressed because it is too large
Load diff
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@ -5310,6 +5310,10 @@ write_attr_value (attr, value)
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write_attr_valueq (attr, XSTR (value, 0));
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break;
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case CONST_INT:
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printf (HOST_WIDE_INT_PRINT_DEC, INTVAL (value));
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break;
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case SYMBOL_REF:
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fputs (XSTR (value, 0), stdout);
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break;
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