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Reversed the order of visualizing shuffles (via ExplainImm) to reflect their composition

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kobalicek
2022-07-24 17:04:00 +02:00
parent 3502a8fe0d
commit 5c469e3f7c
1 changed files with 19 additions and 18 deletions
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37
src/asmjit/x86/x86formatter.cpp
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@@ -499,13 +499,14 @@ struct ImmBits {
char text[48 - 3];
};
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmShuf(String& sb, uint32_t u8, uint32_t bits, uint32_t count) noexcept {
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmShuf(String& sb, uint32_t imm8, uint32_t bits, uint32_t count) noexcept {
uint32_t mask = (1 << bits) - 1;
uint32_t lastPredicateShift = bits * (count - 1u);
for (uint32_t i = 0; i < count; i++, u8 >>= bits) {
uint32_t value = u8 & mask;
for (uint32_t i = 0; i < count; i++, imm8 <<= bits) {
uint32_t index = (imm8 >> lastPredicateShift) & mask;
ASMJIT_PROPAGATE(sb.append(i == 0 ? kImmCharStart : kImmCharOr));
ASMJIT_PROPAGATE(sb.appendUInt(value));
ASMJIT_PROPAGATE(sb.appendUInt(index));
}
if (kImmCharEnd)
@@ -514,14 +515,14 @@ ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmShuf(String& sb, uint3
return kErrorOk;
}
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmBits(String& sb, uint32_t u8, const ImmBits* bits, uint32_t count) noexcept {
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmBits(String& sb, uint32_t imm8, const ImmBits* bits, uint32_t count) noexcept {
uint32_t n = 0;
char buf[64];
for (uint32_t i = 0; i < count; i++) {
const ImmBits& spec = bits[i];
uint32_t value = (u8 & uint32_t(spec.mask)) >> spec.shift;
uint32_t value = (imm8 & uint32_t(spec.mask)) >> spec.shift;
const char* str = nullptr;
switch (spec.mode) {
@@ -551,12 +552,12 @@ ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmBits(String& sb, uint3
return kErrorOk;
}
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmText(String& sb, uint32_t u8, uint32_t bits, uint32_t advance, const char* text, uint32_t count = 1) noexcept {
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmText(String& sb, uint32_t imm8, uint32_t bits, uint32_t advance, const char* text, uint32_t count = 1) noexcept {
uint32_t mask = (1u << bits) - 1;
uint32_t pos = 0;
for (uint32_t i = 0; i < count; i++, u8 >>= bits, pos += advance) {
uint32_t value = (u8 & mask) + pos;
for (uint32_t i = 0; i < count; i++, imm8 >>= bits, pos += advance) {
uint32_t value = (imm8 & mask) + pos;
ASMJIT_PROPAGATE(sb.append(i == 0 ? kImmCharStart : kImmCharOr));
ASMJIT_PROPAGATE(sb.append(Support::findPackedString(text, value)));
}
@@ -611,25 +612,25 @@ ASMJIT_FAVOR_SIZE static Error FormatterInternal_explainConst(
};
static const ImmBits vmpsadbw[] = {
{ 0x04u, 2, ImmBits::kModeLookup, "BLK1[0]\0" "BLK1[1]\0" },
{ 0x03u, 0, ImmBits::kModeLookup, "BLK2[0]\0" "BLK2[1]\0" "BLK2[2]\0" "BLK2[3]\0" },
{ 0x40u, 6, ImmBits::kModeLookup, "BLK1[4]\0" "BLK1[5]\0" },
{ 0x30u, 4, ImmBits::kModeLookup, "BLK2[4]\0" "BLK2[5]\0" "BLK2[6]\0" "BLK2[7]\0" }
{ 0x30u, 4, ImmBits::kModeLookup, "BLK2[4]\0" "BLK2[5]\0" "BLK2[6]\0" "BLK2[7]\0" },
{ 0x04u, 2, ImmBits::kModeLookup, "BLK1[0]\0" "BLK1[1]\0" },
{ 0x03u, 0, ImmBits::kModeLookup, "BLK2[0]\0" "BLK2[1]\0" "BLK2[2]\0" "BLK2[3]\0" }
};
static const ImmBits vpclmulqdq[] = {
{ 0x01u, 0, ImmBits::kModeLookup, "LQ\0" "HQ\0" },
{ 0x10u, 4, ImmBits::kModeLookup, "LQ\0" "HQ\0" }
{ 0x10u, 4, ImmBits::kModeLookup, "LQ\0" "HQ\0" },
{ 0x01u, 0, ImmBits::kModeLookup, "LQ\0" "HQ\0" }
};
static const ImmBits vperm2x128[] = {
{ 0x0Bu, 0, ImmBits::kModeLookup, "A0\0" "A1\0" "B0\0" "B1\0" "\0" "\0" "\0" "\0" "0\0" "0\0" "0\0" "0\0" },
{ 0xB0u, 4, ImmBits::kModeLookup, "A0\0" "A1\0" "B0\0" "B1\0" "\0" "\0" "\0" "\0" "0\0" "0\0" "0\0" "0\0" }
{ 0xB0u, 4, ImmBits::kModeLookup, "A0\0" "A1\0" "B0\0" "B1\0" "\0" "\0" "\0" "\0" "0\0" "0\0" "0\0" "0\0" },
{ 0x0Bu, 0, ImmBits::kModeLookup, "A0\0" "A1\0" "B0\0" "B1\0" "\0" "\0" "\0" "\0" "0\0" "0\0" "0\0" "0\0" }
};
static const ImmBits vrangexx[] = {
{ 0x03u, 0, ImmBits::kModeLookup, "MIN\0" "MAX\0" "MIN_ABS\0" "MAX_ABS\0" },
{ 0x0Cu, 2, ImmBits::kModeLookup, "SIGN_A\0" "SIGN_B\0" "SIGN_0\0" "SIGN_1\0" }
{ 0x0Cu, 2, ImmBits::kModeLookup, "SIGN_A\0" "SIGN_B\0" "SIGN_0\0" "SIGN_1\0" },
{ 0x03u, 0, ImmBits::kModeLookup, "MIN\0" "MAX\0" "MIN_ABS\0" "MAX_ABS\0" }
};
static const ImmBits vreducexx_vrndscalexx[] = {