<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Dec 5, 2016, at 9:22 AM, Quentin Colombet via llvm-commits <<a href="mailto:llvm-commits@lists.llvm.org" class="">llvm-commits@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class=""><br class="Apple-interchange-newline">On Dec 5, 2016, at 3:54 AM, Daniel Sanders via Phabricator <<a href="mailto:reviews@reviews.llvm.org" class="">reviews@reviews.llvm.org</a>> wrote:<br class=""><br class="">dsanders added inline comments.<br class=""><br class=""><br class="">================<br class="">Comment at: lib/Target/AArch64/AArch64RegisterBankInfo.cpp:118<br class=""> const PartialMapping &Map = \<br class="">- AArch64::PartMappings[AArch64::PartialMappingIdx::Idx]; \<br class="">+ AArch64::PartMappings[AArch64::Idx - AArch64::PartialMappingIdx_Min]; \<br class=""> (void) Map; \<br class="">----------------<br class="">qcolombet wrote:<br class=""><blockquote type="cite" class="">I'd keep `::PartialMappingIdx::`, I like being explicit about the type we use (and that shouldn't be redundant for the _Min part when you'd use a shorter name, see the other review).<br class=""></blockquote>Ok. Would you like me to make the explicit namespace mandatory by changing the type to an 'enum class'? This would also fix the prefix issue I mentioned on the other review.<br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">No, following the prefix rule like you did in the other review is enough?</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote><div><br class=""></div>Scratch the question mark x)</div><div><br class=""><blockquote type="cite" class=""><div class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class=""><br class=""><br class="">================<br class="">Comment at: lib/Target/AArch64/AArch64RegisterBankInfo.cpp:135<br class=""> do { \<br class="">- AArch64::PartialMappingIdx PartialMapBaseIdx = \<br class="">- AArch64::PartialMappingIdx::RBName##Size; \<br class="">+ unsigned PartialMapBaseIdx = \<br class="">+ AArch64::RBName##Size - AArch64::PartialMappingIdx_Min; \<br class="">----------------<br class="">qcolombet wrote:<br class=""><blockquote type="cite" class="">Could we keep the PartialMappingIdx type instead of unsigned?<br class=""></blockquote>The compiler warns about using PartialMappingIdx because it's not a PartialMappingIdx after the subtraction. The warning could be silenced with a cast like so:<br class="">PartialMappingIdx PartialMapBaseIdx = (PartialMappingIdx)(AArch64::PartialMappingIdx::RBName##Size - AArch64::PartialMappingIdx::PartialMappingIdx_Min);<br class="">but this is still misleading because the values don't match up with the enumerators.<br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">What to you mean they do not match up with the enumerators?</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">The value should be within the enumerators at the end of the subtraction.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; 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