diff options
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r-- | erts/emulator/beam/beam_emu.c | 47 | ||||
-rw-r--r-- | erts/emulator/beam/ops.tab | 46 |
2 files changed, 80 insertions, 13 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 741ba8fb93..b90613079a 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -738,6 +738,7 @@ extern int count_instructions; } while (0) #define EqualImmed(X, Y, Action) if (X != Y) { Action; } +#define NotEqualImmed(X, Y, Action) if (X == Y) { Action; } #define IsFloat(Src, Fail) if (is_not_float(Src)) { Fail; } @@ -1385,6 +1386,52 @@ void process_main(void) } Next(1); + { + Eterm is_eq_exact_lit_val; + + OpCase(i_is_eq_exact_literal_xfc): + is_eq_exact_lit_val = xb(Arg(0)); + I++; + goto do_is_eq_exact_literal; + + OpCase(i_is_eq_exact_literal_yfc): + is_eq_exact_lit_val = yb(Arg(0)); + I++; + goto do_is_eq_exact_literal; + + OpCase(i_is_eq_exact_literal_rfc): + is_eq_exact_lit_val = r(0); + + do_is_eq_exact_literal: + if (!eq(Arg(1), is_eq_exact_lit_val)) { + ClauseFail(); + } + Next(2); + } + + { + Eterm is_ne_exact_lit_val; + + OpCase(i_is_ne_exact_literal_xfc): + is_ne_exact_lit_val = xb(Arg(0)); + I++; + goto do_is_ne_exact_literal; + + OpCase(i_is_ne_exact_literal_yfc): + is_ne_exact_lit_val = yb(Arg(0)); + I++; + goto do_is_ne_exact_literal; + + OpCase(i_is_ne_exact_literal_rfc): + is_ne_exact_lit_val = r(0); + + do_is_ne_exact_literal: + if (eq(Arg(1), is_ne_exact_lit_val)) { + ClauseFail(); + } + Next(2); + } + OpCase(i_move_call_only_fcr): { r(0) = Arg(1); } diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 029d7b512c..9b3d1da018 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -339,31 +339,51 @@ i_wait_error_locked send # -# Comparisions. +# Optimized comparisons with one immediate/literal operand. # -is_eq_exact Lbl=f R=rxy C=ian => i_is_eq_immed Lbl R C -is_eq Lbl=f R=rxy C=an => i_is_eq_immed Lbl R C +is_eq_exact Lbl R=rxy C=ian => i_is_eq_exact_immed Lbl R C +is_eq_exact Lbl R=rxy C=q => i_is_eq_exact_literal R Lbl C + +is_ne_exact Lbl R=rxy C=ian => i_is_ne_exact_immed Lbl R C +is_ne_exact Lbl R=rxy C=q => i_is_ne_exact_literal R Lbl C + +%macro: i_is_eq_exact_immed EqualImmed -fail_action +i_is_eq_exact_immed f r c +i_is_eq_exact_immed f x c +i_is_eq_exact_immed f y c + +i_is_eq_exact_literal r f c +i_is_eq_exact_literal x f c +i_is_eq_exact_literal y f c + +%macro: i_is_ne_exact_immed NotEqualImmed -fail_action +i_is_ne_exact_immed f r c +i_is_ne_exact_immed f x c +i_is_ne_exact_immed f y c + +i_is_ne_exact_literal r f c +i_is_ne_exact_literal x f c +i_is_ne_exact_literal y f c + +# +# All other comparisons. +# + +is_eq_exact Lbl S1 S2 => i_fetch S1 S2 | i_is_eq_exact Lbl +is_ne_exact Lbl S1 S2 => i_fetch S1 S2 | i_is_ne_exact Lbl is_ge Lbl S1 S2 => i_fetch S1 S2 | i_is_ge Lbl is_lt Lbl S1 S2 => i_fetch S1 S2 | i_is_lt Lbl is_eq Lbl S1 S2 => i_fetch S1 S2 | i_is_eq Lbl is_ne Lbl S1 S2 => i_fetch S1 S2 | i_is_ne Lbl -is_eq_exact Lbl=f S1 S2 => i_fetch S1 S2 | i_is_eq_exact Lbl -is_ne_exact Lbl S1 S2 => i_fetch S1 S2 | i_is_ne_exact Lbl - +i_is_eq_exact f +i_is_ne_exact f i_is_lt f i_is_ge f i_is_eq f i_is_ne f -i_is_eq_exact f -i_is_ne_exact f - -%macro: i_is_eq_immed EqualImmed -fail_action -i_is_eq_immed f r c -i_is_eq_immed f x c -i_is_eq_immed f y c # # Putting things. |