Module Name: src Committed By: rin Date: Tue May 11 01:47:21 UTC 2021
Modified Files: src/external/gpl3/gcc/dist/gcc/config/rs6000: rs6000.c Log Message: Cherry-pick upstream fix for GCC10 regression to -misel option. Assembler codes generated by GCC are identical with that of our local fix in rev 1.26 for 32-bit processors, and no significant changes for 64-bit processors also. master: https://gcc.gnu.org/g:6156df483fa50a08f561b6c248819f2992aa380d gcc-10: https://gcc.gnu.org/g:5f665c1ca452673e9812cd92b07bd31441c0ac5b (diffs are same) commit r12-9-g6156df483fa50a08f561b6c248819f2992aa380d Author: Segher Boessenkool <seg...@kernel.crashing.org> Date: Tue Apr 20 12:00:50 2021 +0000 rs6000: Fix cpu selection w/ isel (PR100108) There are various non-IBM CPUs with isel as well, so it is easiest if we just don't consider that flag here (it is not needed). 2021-04-20 Segher Boessenkool <seg...@kernel.crashing.org> PR target/100108 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider OPTION_MASK_ISEL. To generate a diff of this commit: cvs rdiff -u -r1.28 -r1.29 \ src/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c diff -u src/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c:1.28 src/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c:1.29 --- src/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c:1.28 Tue May 11 01:39:09 2021 +++ src/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c Tue May 11 01:47:20 2021 @@ -5550,7 +5550,7 @@ rs6000_machine_from_flags (void) HOST_WIDE_INT flags = rs6000_isa_flags; /* Disable the flags that should never influence the .machine selection. */ - flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT); + flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ISEL); if ((flags & (ISA_3_1_MASKS_SERVER & ~ISA_3_0_MASKS_SERVER)) != 0) return "power10";