From: Sandipan Das Date: Thu, 7 Jun 2018 10:46:01 +0000 (+0530) Subject: arch-power: Add fixed-point logical parity instructions X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4a50fc0874b4e7caa58b35a667ce490109dd763f;p=gem5.git arch-power: Add fixed-point logical parity instructions This adds the following logical instructions: * Parity Word (prtyw) * Parity Doubleword (prtyd) Change-Id: Icb1737435dfabf9ac7b14ce1fcdf1c232289bf24 Signed-off-by: Sandipan Das --- diff --git a/src/arch/power/isa/decoder.isa b/src/arch/power/isa/decoder.isa index b2ad11a23..f66bb7187 100644 --- a/src/arch/power/isa/decoder.isa +++ b/src/arch/power/isa/decoder.isa @@ -559,6 +559,23 @@ decode PO default Unknown::unknown() { 506: popcntd({{ Ra = popCount(Rs); }}); + 154: prtyw({{ + uint64_t res = Rs; + res = res ^ (res >> 16); + res = res ^ (res >> 8); + res = res & 0x100000001; + Ra = res; + }}); + + 186: prtyd({{ + uint64_t res = Rs; + res = res ^ (res >> 32); + res = res ^ (res >> 16); + res = res ^ (res >> 8); + res = res & 0x1; + Ra = res; + }}); + 24: slw({{ if (Rb & 0x20) { Ra = 0;