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freedreno/ir3/parser: Add initial cat6 IBO instructions

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Well, really just resinfo.. dealing with the different ldib/stib syntax
for a6xx+ vs earlier seems a bit too painful to deal with.  But resinfo
at least gives us some encoding test coverage of this group of instrs.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8175>
This commit is contained in:
Rob Clark
2020-12-21 10:59:15 -08:00
committed by Marge Bot
parent f9c76fba9d
commit 99908c8d6d
2 changed files with 29 additions and 3 deletions
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6
src/freedreno/ir3/ir3_lexer.l
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@@ -301,7 +301,7 @@ static int parse_w(const char *str)
"ldlw" return TOKEN(T_OP_LDLW);
"stlw" return TOKEN(T_OP_STLW);
"resfmt" return TOKEN(T_OP_RESFMT);
"resinf" return TOKEN(T_OP_RESINF);
"resinfo" return TOKEN(T_OP_RESINFO);
"atomic.add" return TOKEN(T_OP_ATOMIC_ADD);
"atomic.sub" return TOKEN(T_OP_ATOMIC_SUB);
"atomic.xchg" return TOKEN(T_OP_ATOMIC_XCHG);
@@ -351,6 +351,10 @@ static int parse_w(const char *str)
"s2en" return TOKEN(T_S2EN);
"s" return 's';
"base"[0-9]+ ir3_yylval.num = strtol(yytext+4, NULL, 10); return T_BASE;
"offset"[0-9]+ ir3_yylval.num = strtol(yytext+6, NULL, 10); return T_OFFSET;
"uniform" return T_UNIFORM;
"nonuniform" return T_NONUNIFORM;
"imm" return T_IMM;
"h(" return TOKEN(T_HP);
"=" return '=';

26
src/freedreno/ir3/ir3_parser.y
View File

@@ -478,7 +478,7 @@ static void print_token(FILE *file, int type, YYSTYPE value)
%token <tok> T_OP_LDLW
%token <tok> T_OP_STLW
%token <tok> T_OP_RESFMT
%token <tok> T_OP_RESINF
%token <tok> T_OP_RESINFO
%token <tok> T_OP_ATOMIC_ADD
%token <tok> T_OP_ATOMIC_SUB
%token <tok> T_OP_ATOMIC_XCHG
@@ -528,6 +528,10 @@ static void print_token(FILE *file, int type, YYSTYPE value)
%token <tok> T_SAMP
%token <tok> T_TEX
%token <tok> T_BASE
%token <tok> T_OFFSET
%token <tok> T_UNIFORM
%token <tok> T_NONUNIFORM
%token <tok> T_IMM
%token <tok> T_NAN
%token <tok> T_INF
@@ -932,10 +936,27 @@ cat6_id_opc:
cat6_id: cat6_id_opc cat6_type dst_reg
/* TODO adding support for both pre and post a6xx versions of ldib/stib/etc
* is going to be tricky. Maybe we end up needing to cpp preprocess the
* parser and generate multiple versions? For now, punt.
*/
cat6_bindless_ibo_opc: T_OP_RESINFO { new_instr(OPC_RESINFO); }
cat6_bindless_base:
| '.' T_BASE { instr->flags |= IR3_INSTR_B; instr->cat6.base = $2; }
cat6_bindless_mode: T_IMM cat6_bindless_base
| T_UNIFORM cat6_bindless_base
| T_NONUNIFORM cat6_bindless_base
cat6_reg_or_immed: reg
| integer { new_reg(0, IR3_REG_IMMED)->iim_val = $1; }
cat6_bindless_ibo: cat6_bindless_ibo_opc cat6_typed cat6_dim cat6_type '.' cat6_immed '.' cat6_bindless_mode dst_reg ',' cat6_reg_or_immed
cat6_todo: T_OP_G2L { new_instr(OPC_G2L); }
| T_OP_L2G { new_instr(OPC_L2G); }
| T_OP_RESFMT { new_instr(OPC_RESFMT); }
| T_OP_RESINF { new_instr(OPC_RESINFO); }
| T_OP_LDGB { new_instr(OPC_LDGB); }
| T_OP_STGB { new_instr(OPC_STGB); }
| T_OP_LDC { new_instr(OPC_LDC); }
@@ -946,6 +967,7 @@ cat6_instr: cat6_load
| cat6_prefetch
| cat6_atomic
| cat6_id
| cat6_bindless_ibo
| cat6_todo
reg: T_REGISTER { $$ = new_reg($1, 0); }