SVE Instruction List by Dougall Johnson
SSUBLTB: Signed subtract long (top - bottom)
SSUBLTB Zd.D, Zn.S, Zm.S (SVE2 (SME
svint64_t svsubltb[_s64](svint32_t op1, svint32_t op2)
128-bit SVE

For each even and odd signed 32-bit integer set the double-width (3) to (1) − (2).
256-bit SVE

For each even and odd signed 32-bit integer set the double-width (3) to (1) − (2).
512-bit SVE

For each even and odd signed 32-bit integer set the double-width (3) to (1) − (2).
Larger sizes
1024-bit SVE

For each even and odd signed 32-bit integer set the double-width (3) to (1) − (2).
2048-bit SVE

For each even and odd signed 32-bit integer set the double-width (3) to (1) − (2).
Report mistakes or give feedback
Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.