diff options
Diffstat (limited to 'gcc/config/riscv/riscv.cc')
| -rw-r--r-- | gcc/config/riscv/riscv.cc | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc index ed635ab..10e0f4a 100644 --- a/gcc/config/riscv/riscv.cc +++ b/gcc/config/riscv/riscv.cc @@ -12047,27 +12047,30 @@ riscv_emit_frm_mode_set (int mode, int prev_mode) if (prev_mode == riscv_vector::FRM_DYN_CALL) emit_insn (gen_frrmsi (backup_reg)); /* Backup frm when DYN_CALL. */ - if (mode != prev_mode) - { - rtx frm = gen_int_mode (mode, SImode); - - if (mode == riscv_vector::FRM_DYN_CALL - && prev_mode != riscv_vector::FRM_DYN && STATIC_FRM_P (cfun)) - /* No need to emit when prev mode is DYN already. */ - emit_insn (gen_fsrmsi_restore_volatile (backup_reg)); - else if (mode == riscv_vector::FRM_DYN_EXIT && STATIC_FRM_P (cfun) - && prev_mode != riscv_vector::FRM_DYN - && prev_mode != riscv_vector::FRM_DYN_CALL) - /* No need to emit when prev mode is DYN or DYN_CALL already. */ - emit_insn (gen_fsrmsi_restore_volatile (backup_reg)); - else if (mode == riscv_vector::FRM_DYN - && prev_mode != riscv_vector::FRM_DYN_CALL) - /* Restore frm value from backup when switch to DYN mode. */ - emit_insn (gen_fsrmsi_restore (backup_reg)); - else if (riscv_static_frm_mode_p (mode)) - /* Set frm value when switch to static mode. */ - emit_insn (gen_fsrmsi_restore (frm)); + if (mode == prev_mode) + return; + + if (riscv_static_frm_mode_p (mode)) + { + /* Set frm value when switch to static mode. */ + emit_insn (gen_fsrmsi_restore (gen_int_mode (mode, SImode))); + return; } + + bool restore_p + = /* No need to emit when prev mode is DYN. */ + (STATIC_FRM_P (cfun) && mode == riscv_vector::FRM_DYN_CALL + && prev_mode != riscv_vector::FRM_DYN) + /* No need to emit if prev mode is DYN or DYN_CALL. */ + || (STATIC_FRM_P (cfun) && mode == riscv_vector::FRM_DYN_EXIT + && prev_mode != riscv_vector::FRM_DYN + && prev_mode != riscv_vector::FRM_DYN_CALL) + /* Restore frm value when switch to DYN mode. */ + || (mode == riscv_vector::FRM_DYN + && prev_mode != riscv_vector::FRM_DYN_CALL); + + if (restore_p) + emit_insn (gen_fsrmsi_restore (backup_reg)); } /* Implement Mode switching. */ |