[RISCV] Add named constants for rounding mode to tablegen. NFC
authorCraig Topper <craig.topper@sifive.com>
Fri, 31 Mar 2023 20:08:10 +0000 (13:08 -0700)
committerCraig Topper <craig.topper@sifive.com>
Fri, 31 Mar 2023 20:11:18 +0000 (13:11 -0700)
commitefc5b5188e742faddcc43069679034b87c3398c5
treeb784f69136dc36034b0a812afcbea248ab51565e
parent9ec147e3346b3ed9437d853d3355d609e0c3f502
[RISCV] Add named constants for rounding mode to tablegen. NFC

Instead of hardcoding the values, uses name constants to improve
readability.

Reviewed By: asb

Differential Revision: https://reviews.llvm.org/D147352
llvm/lib/Target/RISCV/RISCVInstrInfoD.td
llvm/lib/Target/RISCV/RISCVInstrInfoF.td
llvm/lib/Target/RISCV/RISCVInstrInfoZfa.td
llvm/lib/Target/RISCV/RISCVInstrInfoZfh.td