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| author | Björn Gustavsson <[email protected]> | 2019-02-27 07:49:25 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2019-03-01 14:06:13 +0100 |
| commit | fa578a4025c1cbf46c3885ba7fe44fe6301b66c0 (patch) | |
| tree | 4b8324fad0f193d2baa751b56b5684969b547ff2 /erts | |
| parent | a29c834dd3cef789fb6d4a45092c20680eafd29d (diff) | |
| download | otp-fa578a4025c1cbf46c3885ba7fe44fe6301b66c0.tar.gz otp-fa578a4025c1cbf46c3885ba7fe44fe6301b66c0.tar.bz2 otp-fa578a4025c1cbf46c3885ba7fe44fe6301b66c0.zip | |
Combine more init instructions
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/beam/beam_load.c | 2 | ||||
| -rw-r--r-- | erts/emulator/beam/instrs.tab | 24 | ||||
| -rw-r--r-- | erts/emulator/beam/ops.tab | 14 |
3 files changed, 38 insertions, 2 deletions
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index c8618121ea..f4eeb54a1b 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -2970,6 +2970,8 @@ load_code(LoaderState* stp) #define succ(St, X, Y) ((X).type == (Y).type && (X).val + 1 == (Y).val) #define succ2(St, X, Y) ((X).type == (Y).type && (X).val + 2 == (Y).val) #define succ3(St, X, Y) ((X).type == (Y).type && (X).val + 3 == (Y).val) +#define succ4(St, X, Y) ((X).type == (Y).type && (X).val + 4 == (Y).val) + #ifdef NO_FPE_SIGNALS #define no_fpe_signals(St) 1 diff --git a/erts/emulator/beam/instrs.tab b/erts/emulator/beam/instrs.tab index 5ee98fef02..855dcf943a 100644 --- a/erts/emulator/beam/instrs.tab +++ b/erts/emulator/beam/instrs.tab @@ -436,6 +436,30 @@ init(Y) { make_blank($Y); } +init_seq3(Y1) { + Eterm* dst = &$Y1; + make_blank(dst[0]); + make_blank(dst[1]); + make_blank(dst[2]); +} + +init_seq4(Y1) { + Eterm* dst = &$Y1; + make_blank(dst[0]); + make_blank(dst[1]); + make_blank(dst[2]); + make_blank(dst[3]); +} + +init_seq5(Y1) { + Eterm* dst = &$Y1; + make_blank(dst[0]); + make_blank(dst[1]); + make_blank(dst[2]); + make_blank(dst[3]); + make_blank(dst[4]); +} + init2(Y1, Y2) { make_blank($Y1); make_blank($Y2); diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index e0a947a512..a935c3f84a 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -118,11 +118,21 @@ test_heap I t? allocate_heap S u==0 R => allocate S R allocate_heap_zero S u==0 R => allocate_zero S R -init2 y y -init3 y y y +init Y1 | init Y2 | init Y3 | succ(Y1,Y2) | succ(Y2,Y3) => init_seq3 Y1 +init_seq3 Y1 | init Y4 | succ3(Y1,Y4) => init_seq4 Y1 +init_seq4 Y1 | init Y5 | succ4(Y1,Y5) => init_seq5 Y1 + +init_seq3 y +init_seq4 y +init_seq5 y + init Y1 | init Y2 | init Y3 => init3 Y1 Y2 Y3 init Y1 | init Y2 => init2 Y1 Y2 +init2 y y +init3 y y y + + # Selecting values select_val S=aiq Fail=f Size=u Rest=* => const_select_val(S, Fail, Size, Rest) |