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MUL_VF and MUL_FV get their special life-range handling

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Wolfgang (Blub) Bumiller 2012-08-22 18:51:32 +02:00
parent 8b90fcf482
commit 7e3ccf4626
1 changed files with 13 additions and 0 deletions
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13
ir.c
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@ -2109,6 +2109,19 @@ static bool ir_block_life_propagate(ir_block *self, ir_block *prev, bool *change
/* See which operands are read and write operands */
ir_op_read_write(instr->opcode, &read, &write);
if (instr->opcode == INSTR_MUL_VF)
{
/* the float source will get an additional lifetime */
tempbool = ir_value_life_merge(instr->_ops[2], instr->eid+1);
*changed = *changed || tempbool;
}
else if (instr->opcode == INSTR_MUL_FV)
{
/* the float source will get an additional lifetime */
tempbool = ir_value_life_merge(instr->_ops[1], instr->eid+1);
*changed = *changed || tempbool;
}
/* Go through the 3 main operands */
for (o = 0; o < 3; ++o)
{