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instrs: Add AVX512-FP16 instructions

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This commit is contained in:
Alexis Engelke
2022-12-26 17:12:33 +01:00
parent 8550e2cac9
commit 955f139025
4 changed files with 145 additions and 5 deletions
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4
decode.c
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@@ -232,9 +232,9 @@ prefix_end:
prefix_rex |= mode != DECODE_64 || (byte & 0x20) ? 0 : PREFIX_REXB;
if (vex_prefix == 0x62) // EVEX
{
if (byte & 0x0c) // Bits 3:2 of opcode_escape must be clear.
if (byte & 0x08) // Bit 3 of opcode_escape must be clear.
return FD_ERR_UD;
opcode_escape = (byte & 0x03) | 8; // 8 is table index with EVEX
opcode_escape = (byte & 0x07) | 8; // 8 is table index with EVEX
prefix_rex |= mode != DECODE_64 || (byte & 0x10) ? 0 : PREFIX_REXRR;
}
else // 3-byte VEX