[PATCH 1/3] RISC-V: Add mininal support for Zicbo[mzp]

From: yulong-plct This commit adds minimal support for 'Zicbom','Zicboz' and 'Zicbop' extensions. gcc/ChangeLog: * common/config/riscv/riscv-common.cc: Add zicbom, zicboz, zicbop extensions. * config/riscv/riscv-opts.h (MASK_ZICBOZ): New. (MASK_ZICBOM): New. (MA

[PATCH 1/3] RISC-V: Add mininal support for Zicbo[mzp]

From: yulong-plct This commit adds minimal support for 'Zicbom','Zicboz' and 'Zicbop' extensions. 7 8 gcc/ChangeLog: 9 10 * common/config/riscv/riscv-common.cc: Add zicbom, zicboz, zicbop extensions. 11 * config/riscv/riscv-opts.h (MASK_ZICBOZ): New. 12 (MASK_ZIC