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Variabls with a register constraint may be loaed/stored directly from/to a spill slot (without an additional register)

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This commit is contained in:
Dmitry Stogov 2023-06-21 01:14:31 +03:00
parent ffac404552
commit 25656607ba
2 changed files with 6 additions and 6 deletions
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2
ir_aarch64.dasc
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@ -439,7 +439,7 @@ int ir_get_target_constraints(const ir_ctx *ctx, ir_ref ref, ir_target_constrain
n++;
}
}
flags = IR_USE_MUST_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG | IR_OP3_SHOULD_BE_IN_REG;
flags = IR_USE_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG | IR_OP3_SHOULD_BE_IN_REG;
break;
case IR_COPY_INT:
case IR_COPY_FP:

10
ir_x86.dasc
View File

@ -563,9 +563,9 @@ int ir_get_target_constraints(const ir_ctx *ctx, ir_ref ref, ir_target_constrain
constraints->def_reg = IR_REG_RAX;
constraints->hints[1] = IR_REG_RAX;
constraints->hints_count = 2;
flags = IR_DEF_REUSES_OP1_REG | IR_USE_MUST_BE_IN_REG | IR_OP1_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG;
flags = IR_USE_SHOULD_BE_IN_REG | IR_OP1_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG;
constraints->tmp_regs[0] = IR_SCRATCH_REG(IR_REG_RDX, IR_USE_SUB_REF, IR_DEF_SUB_REF);
constraints->tmp_regs[1] = IR_SCRATCH_REG(IR_REG_RAX, IR_LOAD_SUB_REF, IR_LOAD_SUB_REF);
constraints->tmp_regs[1] = IR_SCRATCH_REG(IR_REG_RAX, IR_LOAD_SUB_REF, IR_SAVE_SUB_REF);
n = 2;
break;
case IR_DIV_INT:
@ -573,7 +573,7 @@ int ir_get_target_constraints(const ir_ctx *ctx, ir_ref ref, ir_target_constrain
constraints->def_reg = IR_REG_RAX;
constraints->hints[1] = IR_REG_RAX;
constraints->hints_count = 2;
flags = IR_DEF_REUSES_OP1_REG | IR_USE_MUST_BE_IN_REG | IR_OP1_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG;
flags = IR_USE_SHOULD_BE_IN_REG | IR_OP1_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG;
constraints->tmp_regs[0] = IR_SCRATCH_REG(IR_REG_RDX, IR_LOAD_SUB_REF, IR_DEF_SUB_REF);
constraints->tmp_regs[1] = IR_SCRATCH_REG(IR_REG_RAX, IR_LOAD_SUB_REF, IR_SAVE_SUB_REF);
n = 2;
@ -582,7 +582,7 @@ int ir_get_target_constraints(const ir_ctx *ctx, ir_ref ref, ir_target_constrain
constraints->def_reg = IR_REG_RDX;
constraints->hints[1] = IR_REG_RAX;
constraints->hints_count = 2;
flags = IR_USE_MUST_BE_IN_REG | IR_OP1_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG;
flags = IR_USE_SHOULD_BE_IN_REG | IR_OP1_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG;
constraints->tmp_regs[0] = IR_SCRATCH_REG(IR_REG_RAX, IR_LOAD_SUB_REF, IR_DEF_SUB_REF);
constraints->tmp_regs[1] = IR_SCRATCH_REG(IR_REG_RDX, IR_LOAD_SUB_REF, IR_SAVE_SUB_REF);
n = 2;
@ -738,7 +738,7 @@ op2_const:
n++;
}
}
flags = IR_USE_MUST_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG | IR_OP3_SHOULD_BE_IN_REG;
flags = IR_USE_SHOULD_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG | IR_OP3_SHOULD_BE_IN_REG;
break;
case IR_BINOP_SSE2:
flags = IR_DEF_REUSES_OP1_REG | IR_USE_MUST_BE_IN_REG | IR_OP1_MUST_BE_IN_REG | IR_OP2_SHOULD_BE_IN_REG;