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assembler: Refactor the code adding instructions and labels

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Factoring out the code from the grammar will allow us to switch to
using brw_compile in a cleaner way.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2013-01-21 17:07:28 +00:00
parent 5e5861183d
commit 73d58edab9
1 changed files with 44 additions and 40 deletions
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84
assembler/gram.y
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@ -97,6 +97,42 @@ void set_direct_dst_operand(struct dst_operand *dst, struct direct_reg *reg,
void set_direct_src_operand(struct src_operand *src, struct direct_reg *reg,
int type);
static void brw_program_init(struct brw_program *p)
{
memset(p, 0, sizeof(struct brw_program));
}
static void brw_program_append_entry(struct brw_program *p,
struct brw_program_instruction *entry)
{
entry->next = NULL;
if (p->last)
p->last->next = entry;
else
p->first = entry;
p->last = entry;
}
static void brw_program_add_instruction(struct brw_program *p,
struct brw_instruction *instruction)
{
struct brw_program_instruction *list_entry;
list_entry = calloc(sizeof(struct brw_program_instruction), 1);
list_entry->instruction = *instruction;
brw_program_append_entry(p, list_entry);
}
static void brw_program_add_label(struct brw_program *p, const char *label)
{
struct brw_program_instruction *list_entry;
list_entry = calloc(sizeof(struct brw_program_instruction), 1);
list_entry->string = strdup(label);
list_entry->islabel = 1;
brw_program_append_entry(p, list_entry);
}
%}
%start ROOT
@ -345,59 +381,27 @@ instrseq: instrseq pragma
}
| instrseq instruction SEMICOLON
{
struct brw_program_instruction *list_entry =
calloc(sizeof(struct brw_program_instruction), 1);
list_entry->instruction = $2;
list_entry->next = NULL;
if ($1.last) {
$1.last->next = list_entry;
} else {
$1.first = list_entry;
}
$1.last = list_entry;
brw_program_add_instruction(&$1, &$2);
$$ = $1;
}
| instruction SEMICOLON
{
struct brw_program_instruction *list_entry =
calloc(sizeof(struct brw_program_instruction), 1);
list_entry->instruction = $1;
list_entry->next = NULL;
$$.first = list_entry;
$$.last = list_entry;
brw_program_init(&$$);
brw_program_add_instruction(&$$, &$1);
}
| instrseq SEMICOLON
| instrseq SEMICOLON
{
$$ = $1;
}
| instrseq label
| instrseq label
{
struct brw_program_instruction *list_entry =
calloc(sizeof(struct brw_program_instruction), 1);
list_entry->string = strdup($2);
list_entry->islabel = 1;
list_entry->next = NULL;
if ($1.last) {
$1.last->next = list_entry;
} else {
$1.first = list_entry;
}
$1.last = list_entry;
brw_program_add_label(&$1, $2);
$$ = $1;
}
| label
{
struct brw_program_instruction *list_entry =
calloc(sizeof(struct brw_program_instruction), 1);
list_entry->string = strdup($1);
list_entry->islabel = 1;
list_entry->next = NULL;
$$.first = list_entry;
$$.last = list_entry;
brw_program_init(&$$);
brw_program_add_label(&$$, $1);
}
| pragma
{