internal/simdgen/ops/Compares/go.yaml

!sum
# Ints
- go: Equal
  asm: "V?PCMPEQ[BWDQ]"
  in:
  - &any
    go: $t
  - *any
  out:
  - &anyvregToMask
    go: $t
    overwriteBase: int
    overwriteClass: mask
- go: Greater
  asm: "V?PCMPGT[BWDQ]"
  in:
  - &int
    go: $t
    base: int
  - *int
  out:
  - *anyvregToMask
# 256-bit VCMPGTQ's output elemBits is marked 32-bit in the XED data, we
# believe this is an error, so add this definition to overwrite.
- go: Greater
  asm: "VPCMPGTQ"
  in:
  - &int64
    go: $t
    base: int
    elemBits: 64
  - *int64
  out:
  - base: int
    elemBits: 32
    overwriteElementBits: 64
    overwriteClass: mask
    overwriteBase: int

# TODO these are redundant with VPCMP operations.
# AVX-512 compares produce masks.
- go: Equal
  asm: "V?PCMPEQ[BWDQ]"
  in:
  - *any
  - *any
  out:
  - class: mask
- go: Greater
  asm: "V?PCMPGT[BWDQ]"
  in:
  - *int
  - *int
  out:
  - class: mask

# MASKED signed comparisons for X/Y registers
# unmasked would clash with emulations on AVX2
- go: (Equal|Greater|Less|LessEqual|GreaterEqual|NotEqual)
  asm: "VPCMP[BWDQ]"
  in:
  - &int
    bits: (128|256)
    go: $t
    base: int
  - *int
  - class: immediate
    const: 0 # Just a placeholder, will be overwritten by const imm porting.
  inVariant:
  - class: mask
  out:
  - class: mask

# MASKED unsigned comparisons for X/Y registers
# unmasked would clash with emulations on AVX2
- go: (Equal|Greater|Less|LessEqual|GreaterEqual|NotEqual)
  asm: "VPCMPU[BWDQ]"
  in:
  - &uint
    bits: (128|256)
    go: $t
    base: uint
  - *uint
  - class: immediate
    const: 0
  inVariant:
  - class: mask
  out:
  - class: mask

# masked/unmasked signed comparisons for Z registers
- go: (Equal|Greater|Less|LessEqual|GreaterEqual|NotEqual)
  asm: "VPCMP[BWDQ]"
  in:
  - &int
    bits: 512
    go: $t
    base: int
  - *int
  - class: immediate
    const: 0 # Just a placeholder, will be overwritten by const imm porting.
  out:
  - class: mask

# masked/unmasked unsigned comparisons for Z registers
- go: (Equal|Greater|Less|LessEqual|GreaterEqual|NotEqual)
  asm: "VPCMPU[BWDQ]"
  in:
  - &uint
    bits: 512
    go: $t
    base: uint
  - *uint
  - class: immediate
    const: 0
  out:
  - class: mask

# Floats
- go: Equal|Greater|Less|LessEqual|GreaterEqual|NotEqual|IsNan
  asm: "VCMPP[SD]"
  in:
  - &float
    go: $t
    base: float
  - *float
  - class: immediate
    const: 0
  out:
  - go: $t
    overwriteBase: int
    overwriteClass: mask
- go: (Equal|Greater|Less|LessEqual|GreaterEqual|NotEqual|IsNan)
  asm: "VCMPP[SD]"
  in:
  - *float
  - *float
  - class: immediate
    const: 0
  out:
  - class: mask