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Fix reloc_target_offset computing logic

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Homer Hsing 2012-09-24 16:39:36 +08:00 committed by Damien Lespiau
parent 4bf84ec146
commit f55ed65bb2
1 changed files with 5 additions and 5 deletions
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10
assembler/src/main.c
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@ -402,18 +402,18 @@ int main(int argc, char **argv)
struct brw_instruction *inst = & entry->instruction;
if (inst->first_reloc_target)
inst->first_reloc_offset = label_to_addr(inst->first_reloc_target, entry->inst_offset);
inst->first_reloc_offset = label_to_addr(inst->first_reloc_target, entry->inst_offset) - entry->inst_offset;
if (inst->second_reloc_target)
inst->second_reloc_offset = label_to_addr(inst->second_reloc_target, entry->inst_offset);
inst->second_reloc_offset = label_to_addr(inst->second_reloc_target, entry->inst_offset) - entry->inst_offset;
if (inst->second_reloc_offset) {
// this is a branch instruction with two offset arguments
entry->instruction.bits3.branch_2_offset.JIP = jump_distance(inst->first_reloc_offset - entry->inst_offset);
entry->instruction.bits3.branch_2_offset.UIP = jump_distance(inst->second_reloc_offset - entry->inst_offset);
entry->instruction.bits3.branch_2_offset.JIP = jump_distance(inst->first_reloc_offset);
entry->instruction.bits3.branch_2_offset.UIP = jump_distance(inst->second_reloc_offset);
} else if (inst->first_reloc_offset) {
// this is a branch instruction with one offset argument
int offset = inst->first_reloc_offset - entry->inst_offset;
int offset = inst->first_reloc_offset;
/* bspec: Unlike other flow control instructions, the offset used by JMPI is relative to the incremented instruction pointer rather than the IP value for the instruction itself. */
if(entry->instruction.header.opcode == BRW_OPCODE_JMPI)
offset --;