Gentle ping...
Jiufu Guo via Gcc-patches <gcc-patches@gcc.gnu.org> writes: > Hi, > > I would like to ping these patches. > [0/4] > https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611286.html > [1/4] > https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611287.html > [2/4] > https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611288.html > [3/4] > https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611289.html > [4/4] > https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611290.html > > Any sugguestions for the code functionality/style or to make > it easy for review, please point out, thanks in advance! > > > BR, > Jeff (Jiufu) > > Jiufu Guo via Gcc-patches <gcc-patches@gcc.gnu.org> writes: > >> Hi, >> >> Gental ping these patches: >> https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611286.html >> >> BR, >> Jeff (Jiufu) >> >> >> Jiufu Guo <guoji...@linux.ibm.com> writes: >> >>> Hi, >>> >>> For a given constant, it would be profitable if we can use 2 insns to build. >>> This patch enables more constants building through 2 insns: one is "li or >>> lis", >>> another is 'rldicl, rldicr or rldic'. >>> Through checking and analyzing the characters of the insns "li/lis;rldicX", >>> all the possible constant values are considered by this patch. >>> >>> Previously, a patch is posted, but it is too large. >>> https://gcc.gnu.org/pipermail/gcc-patches/2022-September/601276.html >>> As suggested, I split it into this series. >>> >>> Considering the functionality and size, 4 patches are split as below: >>> 1. Support the constants which can be built by "li;rotldi" >>> Both positive and negative values from insn "li" are analyzed. >>> 2. Support the constants which can be built by "lis;rotldi" >>> We only need to analyze the negative value from "lis". >>> And this patch uses more code to check leading 1s and tailing 0s from >>> "lis". >>> 3. Support the constants which can be built by "li/lis;rldicl/rldicr": >>> Leverage the APIs defined/analyzed in patches 1 and 2, >>> this patch checks the characters for the mask of "rldicl/rldicr" >>> to support more constants. >>> 4. Support the constants which can be built by "li/lis;rldic": >>> The mask of "rldic" is relatively complicated, it is analyzed in this >>> patch to support more constants. >>> >>> BR, >>> Jeff (Jiufu)
