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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH v6 15/16] tcg/ppc: Update vector support to v2.07 |
Date: | Sun, 30 Jun 2019 17:12:06 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 |
On 6/30/19 3:37 PM, Aleksandar Markovic wrote: >> bool have_isa_2_06; >> bool have_isa_2_06_vsx; >> +bool have_isa_2_07_vsx; > > Does this flag indicate support for PowerISA 2.07 or VSX? VSX & 2.07, >> + if (hwcap2 & PPC_FEATURE2_ARCH_2_07) { >> + if (hwcap & PPC_FEATURE_HAS_VSX) { >> + have_isa_2_07_vsx = true; >> + } >> + } Like so. While it would have been possible to have one single have_isa_vsx, we would then also have to check a second flag to see which revision. Therefore I created these composite flags so that we only have to check one. r~
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