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shader: add i32mad decoder

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This commit is contained in:
sunho
2020-10-25 03:50:46 +09:00
committed by Sunho Kim
parent 823e63ef76
commit ebd26498d6
4 changed files with 123 additions and 5 deletions
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tools/usse-decoder-gen/grammar.yaml
+54 -1
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@@ -788,8 +788,61 @@ I32MAD:
description: 32-bit Integer multiply-add
members:
- opcode1: '10101'
- pred:
size: 2
type: ShortPredicate
- src0_high:
size: 1
- DONTCARE:
size: 59
size: 1
- nosched:
size: 1
- src1_high:
size: 1
- src2_high:
size: 1
- dest_bank_ext:
size: 1
type: bool
- end:
size: 1
- src1_bank_ext:
size: 1
type: bool
- src2_bank_ext:
size: 1
type: bool
- unk0: '0'
- repeat_count:
size: 3
type: RepeatCount
- is_signed:
size: 1
type: bool
- is_sat:
size: 1
type: bool
- unk1: '00'
- src2_type:
size: 2
- unk2: '000'
- src0_bank:
size: 1
- dest_bank:
size: 2
- src1_bank:
size: 2
- src2_bank:
size: 2
- dest_n:
size: 7
- src0_n:
size: 7
- src1_n:
size: 7
- src2_n:
size: 7
ILLEGAL22:
description: Illegal instruction
members:
vita3k/shader/include/shader/usse_translator.h
+21 -1
View File
@@ -512,7 +512,27 @@ public:
bool i16mad();
bool i32mad();
bool i32mad(ShortPredicate pred,
Imm1 src0_high,
Imm1 nosched,
Imm1 src1_high,
Imm1 src2_high,
bool dest_bank_ext,
Imm1 end,
bool src1_bank_ext,
bool src2_bank_ext,
RepeatCount repeat_count,
bool is_signed,
bool is_sat,
Imm2 src2_type,
Imm1 src0_bank,
Imm2 dest_bank,
Imm2 src1_bank,
Imm2 src2_bank,
Imm7 dest_n,
Imm7 src0_n,
Imm7 src1_n,
Imm7 src2_n);
bool illegal22();
vita3k/shader/src/translator/ialu.cpp
+22 -1
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@@ -151,7 +151,28 @@ bool USSETranslatorVisitor::i16mad() {
return true;
}
bool USSETranslatorVisitor::i32mad() {
bool USSETranslatorVisitor::i32mad(
ShortPredicate pred,
Imm1 src0_high,
Imm1 nosched,
Imm1 src1_high,
Imm1 src2_high,
bool dest_bank_ext,
Imm1 end,
bool src1_bank_ext,
bool src2_bank_ext,
RepeatCount repeat_count,
bool is_signed,
bool is_sat,
Imm2 src2_type,
Imm1 src0_bank,
Imm2 dest_bank,
Imm2 src1_bank,
Imm2 src2_bank,
Imm7 dest_n,
Imm7 src0_n,
Imm7 src1_n,
Imm7 src2_n) {
LOG_DISASM("Unimplmenet Opcode: i32mad");
return true;
}
vita3k/shader/src/usse_translator_entry.cpp
+26 -2
View File
@@ -458,9 +458,33 @@ boost::optional<const USSEMatcher<V> &> DecodeUSSE(uint64_t instruction) {
// 32-bit Integer multiply-add
/*
10101 = opcode1
----------------------------------------------------------- = don't care
pp = pred (2 bits, ShortPredicate)
s = src0_high (1 bit)
- = don't care
n = nosched (1 bit)
r = src1_high (1 bit)
c = src2_high (1 bit)
d = dest_bank_ext (1 bit, bool)
e = end (1 bit)
b = src1_bank_ext (1 bit, bool)
a = src2_bank_ext (1 bit, bool)
0 = unk0
ttt = repeat_count (3 bits, RepeatCount)
i = is_signed (1 bit, bool)
f = is_sat (1 bit, bool)
00 = unk1
yy = src2_type (2 bits)
000 = unk2
k = src0_bank (1 bit)
gg = dest_bank (2 bits)
hh = src1_bank (2 bits)
jj = src2_bank (2 bits)
lllllll = dest_n (7 bits)
mmmmmmm = src0_n (7 bits)
ooooooo = src1_n (7 bits)
qqqqqqq = src2_n (7 bits)
*/
INST(&V::i32mad, "I32MAD ()", "10101-----------------------------------------------------------"),
INST(&V::i32mad, "I32MAD ()", "10101pps-nrcdeba0tttif00yy000kgghhjjlllllllmmmmmmmoooooooqqqqqqq"),
// Illegal instruction
/*
10110 = opcode1