diff options
Diffstat (limited to 'assembler')
| -rw-r--r-- | assembler/brw_structs.h | 16 | ||||
| -rw-r--r-- | assembler/main.c | 8 |
2 files changed, 17 insertions, 7 deletions
diff --git a/assembler/brw_structs.h b/assembler/brw_structs.h index 7b0b0da5..2815256e 100644 --- a/assembler/brw_structs.h +++ b/assembler/brw_structs.h @@ -1324,11 +1324,21 @@ struct brw_instruction GLuint pad1:2; /* reserved */ } da3src; + /* This is also used for gen7 IF/ELSE instructions */ struct { - GLint JIP:16; /* Gen7 bspec: both the JIP and UIP are signed 16-bit numbers */ - GLint UIP:16; - } branch_2_offset; /* for Gen6, Gen7 2-offsets branch; for Gen7 1-offset branch */ + /* Signed jump distance to the ip to jump to if all channels + * are disabled after the break or continue. It should point + * to the end of the innermost control flow block, as that's + * where some channel could get re-enabled. + */ + int jip:16; + + /* Signed jump distance to the location to resume execution + * of this channel if it's enabled for the break or continue. + */ + int uip:16; + } break_cont; GLint JIP; /* used by Gen6 CALL instructions; Gen7 JMPI */ diff --git a/assembler/main.c b/assembler/main.c index ae271b42..1b411c73 100644 --- a/assembler/main.c +++ b/assembler/main.c @@ -424,8 +424,8 @@ int main(int argc, char **argv) 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->instruction.bits3.branch_2_offset.UIP = jump_distance(inst->second_reloc_offset); + entry->instruction.bits3.break_cont.jip = jump_distance(inst->first_reloc_offset); + entry->instruction.bits3.break_cont.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; @@ -441,7 +441,7 @@ int main(int argc, char **argv) if(!IS_GENp(6)) { entry->instruction.bits3.JIP = offset; if(entry->instruction.header.opcode == BRW_OPCODE_ELSE) - entry->instruction.bits3.branch_2_offset.UIP = 1; /* Set the istack pop count, which must always be 1. */ + entry->instruction.bits3.break_cont.uip = 1; /* Set the istack pop count, which must always be 1. */ } else if(IS_GENx(6)) { /* TODO: endif JIP pos is not in Gen6 spec. may be bits1 */ int opcode = entry->instruction.header.opcode; @@ -457,7 +457,7 @@ int main(int argc, char **argv) if(opcode == BRW_OPCODE_JMPI) entry->instruction.bits3.JIP = offset; else - entry->instruction.bits3.branch_2_offset.JIP = offset; + entry->instruction.bits3.break_cont.jip = offset; } } } |