diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 9bf6f37..e49a091 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -22759,7 +22759,8 @@ output_cbranch (rtx op, const char *label, int reversed, rtx_insn *insn) if (note != NULL_RTX) { /* PROB is the difference from 50%. */ - int prob = XINT (note, 0) - REG_BR_PROB_BASE / 2; + int prob = profile_probability::from_reg_br_prob_note (XINT (note, 0)) + .to_reg_br_prob_base () - REG_BR_PROB_BASE / 2; /* Only hint for highly probable/improbable branches on newer cpus when we have real profile data, as static prediction overrides processor @@ -23528,10 +23529,9 @@ rs6000_split_signbit (rtx dest, rtx src) static void emit_unlikely_jump (rtx cond, rtx label) { - int very_unlikely = REG_BR_PROB_BASE / 100 - 1; rtx x = gen_rtx_IF_THEN_ELSE (VOIDmode, cond, label, pc_rtx); rtx_insn *insn = emit_jump_insn (gen_rtx_SET (pc_rtx, x)); - add_int_reg_note (insn, REG_BR_PROB, very_unlikely); + add_reg_br_prob_note (insn, profile_probability::very_unlikely ()); } /* A subroutine of the atomic operation splitters. Emit a load-locked @@ -29284,8 +29284,7 @@ rs6000_expand_split_stack_prologue (void) insn = emit_jump_insn (gen_rtx_SET (pc_rtx, jump)); JUMP_LABEL (insn) = ok_label; /* Mark the jump as very likely to be taken. */ - add_int_reg_note (insn, REG_BR_PROB, - REG_BR_PROB_BASE - REG_BR_PROB_BASE / 100); + add_reg_br_prob_note (insn, profile_probability::very_likely ()); lr = gen_rtx_REG (Pmode, LR_REGNO); insn = emit_move_insn (r0, lr); |