d0e0c1300f
- Verified on rv32emc/rv32gc/rv64gc bare-metal target and rv32gc/rv64gc linux target with qemu. gcc/ChangeLog: * config/riscv/predicates.md (gpr_save_operation): New. * config/riscv/riscv-protos.h (riscv_gen_gpr_save_insn): New. (riscv_gpr_save_operation_p): Ditto. * config/riscv/riscv-sr.c (riscv_remove_unneeded_save_restore_calls): Ignore USEs for gpr_save patter. * config/riscv/riscv.c (gpr_save_reg_order): New. (riscv_expand_prologue): Use riscv_gen_gpr_save_insn to gen gpr_save. (riscv_gen_gpr_save_insn): New. (riscv_gpr_save_operation_p): Ditto. * config/riscv/riscv.md (S3_REGNUM): New. (S4_REGNUM): Ditto. (S5_REGNUM): Ditto. (S6_REGNUM): Ditto. (S7_REGNUM): Ditto. (S8_REGNUM): Ditto. (S9_REGNUM): Ditto. (S10_REGNUM): Ditto. (S11_REGNUM): Ditto. (gpr_save): Model USEs correctly. gcc/testsuite/ChangeLog: * gcc.target/riscv/pr95252.c: New. |
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