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assembler: Move struct relocation out of relocatable instructions

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Now that all instructions (relocatable or not) are struct
brw_program_instructions, this means we can move the relocation specific
information out the "relocatable instruction" structure. This will allow
us to share the relocation information between different types of
instructions.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2013-01-30 17:09:17 +00:00
parent f6e9052e8d
commit 9b78f74f23
3 changed files with 43 additions and 42 deletions
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5
assembler/gen4asm.h
View File

@ -126,8 +126,7 @@ struct label_instruction {
char *name;
};
struct relocatable_instruction {
struct brw_instruction gen;
struct relocation {
char *first_reloc_target, *second_reloc_target; // JIP and UIP respectively
GLint first_reloc_offset, second_reloc_offset; // in number of instructions
};
@ -141,9 +140,9 @@ struct brw_program_instruction {
unsigned inst_offset;
union {
struct brw_instruction gen;
struct relocatable_instruction reloc;
struct label_instruction label;
} insn;
struct relocation reloc;
struct brw_program_instruction *next;
};

76
assembler/gram.y
View File

@ -208,14 +208,16 @@ brw_program_add_instruction(struct brw_program *p,
brw_program_append_entry(p, list_entry);
}
static void brw_program_add_relocatable(struct brw_program *p,
struct brw_program_instruction *reloc)
static void
brw_program_add_relocatable(struct brw_program *p,
struct brw_program_instruction *instruction)
{
struct brw_program_instruction *list_entry;
list_entry = calloc(sizeof(struct brw_program_instruction), 1);
list_entry->type = GEN4ASM_INSTRUCTION_GEN_RELOCATABLE;
list_entry->insn.reloc = reloc->insn.reloc;
list_entry->insn.gen = instruction->insn.gen;
list_entry->reloc = instruction->reloc;
brw_program_append_entry(p, list_entry);
}
@ -724,8 +726,8 @@ ifelseinstruction: ENDIF
memset(&$$, 0, sizeof($$));
GEN(&$$)->header.opcode = $1;
GEN(&$$)->header.execution_size = $2;
$$.insn.reloc.first_reloc_target = $3.reloc_target;
$$.insn.reloc.first_reloc_offset = $3.imm32;
$$.reloc.first_reloc_target = $3.reloc_target;
$$.reloc.first_reloc_offset = $3.imm32;
}
| ELSE execsize relativelocation instoptions
{
@ -741,14 +743,14 @@ ifelseinstruction: ENDIF
set_instruction_dest(&$$, &ip_dst);
set_instruction_src0(&$$, &ip_src, NULL);
set_instruction_src1(&$$, &$3, NULL);
$$.insn.reloc.first_reloc_target = $3.reloc_target;
$$.insn.reloc.first_reloc_offset = $3.imm32;
$$.reloc.first_reloc_target = $3.reloc_target;
$$.reloc.first_reloc_offset = $3.imm32;
} else if(IS_GENp(6)) {
memset(&$$, 0, sizeof($$));
GEN(&$$)->header.opcode = $1;
GEN(&$$)->header.execution_size = $2;
$$.insn.reloc.first_reloc_target = $3.reloc_target;
$$.insn.reloc.first_reloc_offset = $3.imm32;
$$.reloc.first_reloc_target = $3.reloc_target;
$$.reloc.first_reloc_offset = $3.imm32;
} else {
error(&@1, "'ELSE' instruction is not implemented.\n");
}
@ -773,8 +775,8 @@ ifelseinstruction: ENDIF
set_instruction_src0(&$$, &ip_src, NULL);
set_instruction_src1(&$$, &$4, NULL);
}
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
}
| predicate IF execsize relativelocation relativelocation
{
@ -786,10 +788,10 @@ ifelseinstruction: ENDIF
set_instruction_predicate(&$$, &$1);
GEN(&$$)->header.opcode = $2;
GEN(&$$)->header.execution_size = $3;
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.insn.reloc.second_reloc_target = $5.reloc_target;
$$.insn.reloc.second_reloc_offset = $5.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
$$.reloc.second_reloc_target = $5.reloc_target;
$$.reloc.second_reloc_offset = $5.imm32;
}
;
@ -809,8 +811,8 @@ loopinstruction: predicate WHILE execsize relativelocation instoptions
GEN(&$$)->header.thread_control |= BRW_THREAD_SWITCH;
set_instruction_src0(&$$, &ip_src, NULL);
set_instruction_src1(&$$, &$4, NULL);
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
} else if (IS_GENp(6)) {
/* Gen6 spec:
dest must have the same element size as src0.
@ -819,8 +821,8 @@ loopinstruction: predicate WHILE execsize relativelocation instoptions
set_instruction_predicate(&$$, &$1);
GEN(&$$)->header.opcode = $2;
GEN(&$$)->header.execution_size = $3;
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
} else {
error(&@2, "'WHILE' instruction is not implemented!\n");
}
@ -839,10 +841,10 @@ haltinstruction: predicate HALT execsize relativelocation relativelocation insto
memset(&$$, 0, sizeof($$));
set_instruction_predicate(&$$, &$1);
GEN(&$$)->header.opcode = $2;
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.insn.reloc.second_reloc_target = $5.reloc_target;
$$.insn.reloc.second_reloc_offset = $5.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
$$.reloc.second_reloc_target = $5.reloc_target;
$$.reloc.second_reloc_offset = $5.imm32;
dst_null_reg.width = $3;
set_instruction_dest(&$$, &dst_null_reg);
set_instruction_src0(&$$, &src_null_reg, NULL);
@ -856,8 +858,8 @@ multibranchinstruction:
set_instruction_predicate(&$$, &$1);
GEN(&$$)->header.opcode = $2;
GEN(&$$)->header.thread_control |= BRW_THREAD_SWITCH;
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
dst_null_reg.width = $3;
set_instruction_dest(&$$, &dst_null_reg);
}
@ -868,10 +870,10 @@ multibranchinstruction:
set_instruction_predicate(&$$, &$1);
GEN(&$$)->header.opcode = $2;
GEN(&$$)->header.thread_control |= BRW_THREAD_SWITCH;
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.insn.reloc.second_reloc_target = $5.reloc_target;
$$.insn.reloc.second_reloc_offset = $5.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
$$.reloc.second_reloc_target = $5.reloc_target;
$$.reloc.second_reloc_offset = $5.imm32;
dst_null_reg.width = $3;
set_instruction_dest(&$$, &dst_null_reg);
set_instruction_src0(&$$, &src_null_reg, NULL);
@ -912,8 +914,8 @@ subroutineinstruction:
src0.reg.vstride = 2; /*encoded 2*/
set_instruction_src0(&$$, &src0, NULL);
$$.insn.reloc.first_reloc_target = $5.reloc_target;
$$.insn.reloc.first_reloc_offset = $5.imm32;
$$.reloc.first_reloc_target = $5.reloc_target;
$$.reloc.first_reloc_offset = $5.imm32;
}
| predicate RET execsize dstoperandex src instoptions
{
@ -1359,8 +1361,8 @@ jumpinstruction: predicate JMPI execsize relativelocation2
set_instruction_dest(&$$, &ip_dst);
set_instruction_src0(&$$, &ip_src, NULL);
set_instruction_src1(&$$, &$4, NULL);
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
}
;
@ -1388,10 +1390,10 @@ breakinstruction: predicate breakop execsize relativelocation relativelocation i
set_instruction_predicate(&$$, &$1);
GEN(&$$)->header.opcode = $2;
GEN(&$$)->header.execution_size = $3;
$$.insn.reloc.first_reloc_target = $4.reloc_target;
$$.insn.reloc.first_reloc_offset = $4.imm32;
$$.insn.reloc.second_reloc_target = $5.reloc_target;
$$.insn.reloc.second_reloc_offset = $5.imm32;
$$.reloc.first_reloc_target = $4.reloc_target;
$$.reloc.first_reloc_offset = $4.imm32;
$$.reloc.second_reloc_target = $5.reloc_target;
$$.reloc.second_reloc_offset = $5.imm32;
}
;

4
assembler/main.c
View File

@ -437,8 +437,8 @@ int main(int argc, char **argv)
}
for (entry = compiled_program.first; entry; entry = entry->next) {
struct relocatable_instruction *reloc = &entry->insn.reloc;
struct brw_instruction *inst = &reloc->gen;
struct relocation *reloc = &entry->reloc;
struct brw_instruction *inst = &entry->insn.gen;
if (!is_relocatable(entry))
continue;