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From: | Richard Henderson |
Subject: | Re: [PATCH v3 07/20] target/riscv: zicfilp `lpad` impl and branch tracking |
Date: | Wed, 7 Aug 2024 12:04:54 +1000 |
User-agent: | Mozilla Thunderbird |
On 8/7/24 10:06, Deepak Gupta wrote:
+++ b/target/riscv/insn32.decode @@ -40,6 +40,7 @@ %imm_z6 26:1 15:5 %imm_mop5 30:1 26:2 20:2 %imm_mop3 30:1 26:2 +%imm_cfi20 12:20# Argument sets:&empty @@ -123,7 +124,10 @@ sfence_vm 0001000 00100 ..... 000 00000 1110011 @sfence_vm# *** RV32I Base Instruction Set ***lui .................... ..... 0110111 @u -auipc .................... ..... 0010111 @u +{ + lpad .................... 00000 0010111 %imm_cfi20
IMO, better as lpad imm:20 00000 0010111 without the %imm_cfi20 indirection. r~
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