[gcc r16-1520] RISC-V: Update Profiles string in RV23.

https://gcc.gnu.org/g:b2af07bac21862d038bc1583cff97c2f3fb99e74 commit r16-1520-gb2af07bac21862d038bc1583cff97c2f3fb99e74 Author: Jiawei Date: Mon Jun 16 11:21:29 2025 +0800 RISC-V: Update Profiles string in RV23. Add b-ext in RVA/B23 as independent extension flags and add supm in

[gcc r16-1519] xtensa: Revert "xtensa: Eliminate unwanted reg-reg moves during DFmode input reloads"

https://gcc.gnu.org/g:14454881497004b365d3b8412b4709109b77857f commit r16-1519-g14454881497004b365d3b8412b4709109b77857f Author: Takayuki 'January June' Suwa Date: Sun Jun 15 18:00:50 2025 +0900 xtensa: Revert "xtensa: Eliminate unwanted reg-reg moves during DFmode input reloads"

[gcc r16-1518] xtensa: Revert "xtensa: Eliminate unnecessary general-purpose reg-reg moves"

https://gcc.gnu.org/g:f4ebc9b7b1a1f3270eafe649c559dedc94e0553d commit r16-1518-gf4ebc9b7b1a1f3270eafe649c559dedc94e0553d Author: Takayuki 'January June' Suwa Date: Sat Jun 14 20:30:55 2025 +0900 xtensa: Revert "xtensa: Eliminate unnecessary general-purpose reg-reg moves" Due to im

[gcc r16-1517] simplify-rtx.cc:Simplify XOR(AND(ROTATE(~1) A) ASHIFT(1 A)) to IOR.

https://gcc.gnu.org/g:5715865108d7e76bea4cceace38e91b9a28558f8 commit r16-1517-g5715865108d7e76bea4cceace38e91b9a28558f8 Author: Jiawei Date: Fri Jun 13 18:25:56 2025 +0800 simplify-rtx.cc:Simplify XOR(AND(ROTATE(~1) A) ASHIFT(1 A)) to IOR. This patch adds a new simplification rul

[gcc r16-1514] RISC-V: Add test for vec_duplicate + vmaxu.vv combine case 0 with GR2VR cost 0, 2 and 15

https://gcc.gnu.org/g:50034d8f109a4d40c5bd63b63d8e8c8d3ea69e56 commit r16-1514-g50034d8f109a4d40c5bd63b63d8e8c8d3ea69e56 Author: Pan Li Date: Sat Jun 14 22:32:23 2025 +0800 RISC-V: Add test for vec_duplicate + vmaxu.vv combine case 0 with GR2VR cost 0, 2 and 15 Add asm dump check

[gcc r16-1515] RISC-V: Add test for vec_duplicate + vmaxu.vv combine case 1 with GR2VR cost 0, 1 and 2

https://gcc.gnu.org/g:afe3401f2e73e21d0e54ea8529642e37ae4a23d5 commit r16-1515-gafe3401f2e73e21d0e54ea8529642e37ae4a23d5 Author: Pan Li Date: Sat Jun 14 22:34:36 2025 +0800 RISC-V: Add test for vec_duplicate + vmaxu.vv combine case 1 with GR2VR cost 0, 1 and 2 Add asm dump check

[gcc r16-1513] RISC-V: Combine vec_duplicate + vmaxu.vv to vmaxu.vx on GR2VR cost

https://gcc.gnu.org/g:7f153b96aa84773e7b18cf66db73afab55850c2a commit r16-1513-g7f153b96aa84773e7b18cf66db73afab55850c2a Author: Pan Li Date: Sat Jun 14 22:29:40 2025 +0800 RISC-V: Combine vec_duplicate + vmaxu.vv to vmaxu.vx on GR2VR cost This patch would like to combine the vec_