Commits on Feb 24, 2023

1. gcc: xtensa: Backport patches from upstream/master (v2) …

   See earlephilhower#29 and earlephilhower#36.
   
   List of patches added after earlephilhower#29:
   
   75ab2f0ebd3c6ab678fea03906186068b89f9fbc "xtensa: Apply a few minor fixes"
   46880cd8be7c307f147a8785ac8f58e04a35d34e "xtensa: Fix RTL insn cost estimation about relaxed MOVI instructions"
   ec532b47f1823e71f822c0da781c531ffff67a52 "xtensa: Fix buffer overflow"
   773dffc50fbc768e3282455bd4238a67b1481176 "xtensa: Optimize integer constant addition that is between -32896 and 32639"
   46dc26fdfbf3e64f82188e21aa6a13ec23108e8e "Improve initialization of objects when the initializer has trailing zeros."
   e85c94d1c83072d7b894e44009e876dd41ff778a "xtensa: Minor fix for FP constant synthesis"
   1884f8978237b15013576a720bcb32e7c5647574 "xtensa: constantsynth: Make try to find shorter instruction"
   d6d8e6a7e1379f9dfdf2f39efcc82d9185cca6d0 "xtensa: Optimize "bitwise AND with imm1" followed by "branch if (not) equal to imm2""
   2180cdd8a0e65c2790a7732c82de87f83478487b "xtensa: Correct the relative RTX cost that corresponds to the Move Immediate "MOVI" instruction"
   64cb87b2381aceaa37230bae7f43c7b9f978d3e3 "xtensa: Optimize "bitwise AND NOT with imm" followed by "branch if (not) equal to zero""
   48e9954d0865b5e5e31cb77ad05c45f7206eeb9f "xtensa: Add RTX costs for if_then_else"
   2fa8c4a659a19ec971c80704f48f96c13aae9ac3 "xtensa: Fix conflicting hard regno between indirect sibcall fixups and EH_RETURN_STACKADJ_RTX"
   a2ff389099c325bc1244b1d72744a18c5fa6fda3 "xtensa: Turn on -fsplit-wide-types-early by default"
   dca74793cd42ce4c5319943a516cc5ea7265b6f7 "xtensa: Optimize stack pointer updates in function pro/epilogue under certain conditions"
   8731aa98674eda56425ffd652918ce4979631f67 "xtensa: Improve indirect sibling call handling"
   9e0c2696724d4d004ea189a69f15781c7baa68e1 "xtensa: add static PIE support"
   06c2756e824cfe409d280fc78a0c4f68a9123e49 "xtensa: Eliminate unused stack frame allocation/freeing"
   89afb2e86fcb29c559b2957fdcbea0d01740c49b "xtensa: Make complex hard register clobber elimination more robust and accurate"
   75e5cc9c3aba943819c284902b3792f7150749cf "xtensa: constantsynth: Add new 3-insns synthesis pattern"
   71cd6a0430ca2a2c44e3cf4cc9f3c96d3aef1ab7 "xtensa: fix builtin_apply return value"
   0bf60f68ed9db2e4b373b28c125aeda339f6cd59 "xtensa: implement MI thunk generation for call0 ABI"
   66d20d881647e7dd177355a851d7839394ab8341 "xtensa: enable section anchors support"
   4f3f0296acbb99a0fa2867986956e53e487206a9 "xtensa: Prepare the transition from Reload to LRA"
   e0927d7ddca154b1a5151da698e205593cb8912e "xtensa: Make register A0 allocable for the CALL0 ABI"
   f896c13489d22b30d01257bc8316ab97b3359d1c "xtensa: Fix out-of-bounds array access in the movdi pattern"
   89d5982b8f92c7441e34f8b65466840b4fe43687 "xtensa: Tabify, and trim trailing spaces"
   b22f86ba9582b1483ff970aa73740864ceaa0860 "xtensa: Clean up xtensa_expand_prologue"
   98a1b4d073b9993b0acda525332225f90714e2ec "xtensa: Change GP_RETURN{,_REG_COUNT} to GP_RETURN_{FIRST,LAST}"
   48a0e822666b79600cae7401f9a3e8cf16bc3fd1 "xtensa: Generate density instructions in set_frame_ptr"
   b92f1c2dcc7b79467662321615f6eafb0c441c7d "xtensa: use define_c_enums instead of define_constants"
   65fed695f7b2eb99dfd679fbdfcf510104de2fb8 "xtensa: Check DF availability before use"
   da086e472b61245dedcb2463c53f84072773d1f5 "xtensa: use GP_RETURN_* instead of magic constant"
   b095a1db483c1a9522a768e52743440d6987c2cd "xtensa: Optimize stack frame adjustment more"
   e3a4bd0bbdccdde0cff85f93064b01a44fb10d2a "xtensa: Optimize bitwise splicing operation"
   b399afd22c6ea50722bbff3247d52f3bd14bf2b6 "xtensa: Make instruction cost estimation for size more accurate"
   bb65bd084a8739feb5b85f87135c531fc8b86572 "xtensa: Tune "*btrue" insn pattern"
   117be79bd84ed21b47588d0cd86d72d5d1757cae "xtensa: Optimize ctzsi2 and ffssi2 a bit"
   ff6c7617102df365918402c6ccc8e497c47dbe60 "xtensa: Remove old broken tweak for leaf function"
   a4b05944b7d409682197a9f50759a4ed97145e23 "xtensa: Optimize inversion of the MSB"
   1c407dc088231ba5f2cc63d9278f4b797db48de1 "xtensa: Revise complex hard register clobber elimination"
   a804419c89db9e1c0b99e772dda6c95095bab0bf "xtensa: Enforce return address saving when -Og is specified"
   782e442e4f3b88937a725a01245dd749f3f893b9 "xtensa: fix PR target/108876"
   4f609c6f762832e43524352527a7ecbea2698ff9 "xtensa: Fix missing mode warnings in machine description"
   33e4559305e6f1adaa1b2b59f645d54fd98e5bbe "xtensa: Eliminate the use of callee-saved register that saves and restores only once"
   f83e76c3f998c8708fe2ddca16ae3f317c39c37a "xtensa: Eliminate unnecessary general-purpose reg-reg moves"

   

   jjsuwa-sys3175 committed Feb 24, 2023
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