There are 32 pseudo-instructions for each floating-point comparison instruction, but only 8 of them are actually valid in legacy-encoded mode. The remaining 24 requires the use of VEX-encoded (v-prefixed) instructions and can therefore be disregarded for this purpose.
3a02cbe3fa x86inc: Enable AVX emulation for floating-point pseudo-instructions
libavutil/x86/x86inc.asm | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)