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Make sure Gen6 IF works

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Homer Hsing 2012-09-28 14:02:25 +08:00 committed by Damien Lespiau
parent c56d786116
commit 2ad18c1c97
1 changed files with 17 additions and 6 deletions
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23
assembler/src/gram.y
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@ -485,26 +485,37 @@ ifelseinstruction: ENDIF
}
| predicate IF execsize relativelocation
{
/* for Gen4 */
/* for Gen4, Gen5 */
/* The branch instructions require that the IP register
* be the destination and first source operand, while the
* offset is the second source operand. The offset is added
* to the pre-incremented IP.
*/
/* for Gen6 */
if(gen_level > 6) {
fprintf(stderr, "Syntax error: IF should be 'IF execsize JIP UIP'\n");
YYERROR;
}
memset(&$$, 0, sizeof($$));
set_instruction_predicate(&$$, &$1);
$$.header.opcode = $2;
$$.header.execution_size = $3;
$$.header.thread_control |= BRW_THREAD_SWITCH;
set_instruction_predicate(&$$, &$1);
set_instruction_dest(&$$, &ip_dst);
set_instruction_src0(&$$, &ip_src);
set_instruction_src1(&$$, &$4);
if(gen_level <= 5) {
$$.header.thread_control |= BRW_THREAD_SWITCH;
set_instruction_dest(&$$, &ip_dst);
set_instruction_src0(&$$, &ip_src);
set_instruction_src1(&$$, &$4);
}
$$.first_reloc_target = $4.reloc_target;
$$.first_reloc_offset = $4.imm32;
}
| predicate IF execsize relativelocation relativelocation
{
/* for Gen7+ */
if(gen_level < 7) {
fprintf(stderr, "Syntax error: IF should be 'IF execsize relativelocation'\n");
YYERROR;
}
memset(&$$, 0, sizeof($$));
set_instruction_predicate(&$$, &$1);
$$.header.opcode = $2;