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| author | Björn Gustavsson <[email protected]> | 2018-03-12 15:57:22 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2018-08-17 09:50:57 +0200 |
| commit | b4b287de9f361e78042c79404a808ba1ab2819c1 (patch) | |
| tree | e283d7d728df7bcfc6fc0ec4bb3165a8c9cd4892 | |
| parent | d5af8b1f34f3e7b3f17711787de4ffb0903b54ad (diff) | |
| download | otp-b4b287de9f361e78042c79404a808ba1ab2819c1.tar.gz otp-b4b287de9f361e78042c79404a808ba1ab2819c1.tar.bz2 otp-b4b287de9f361e78042c79404a808ba1ab2819c1.zip | |
Teach binary instructions to use Y registers as destination
The new code generator will use Y registers as a destination for
binary construction and matching instructions. v3_codegen would
always first store terms in an X register and it would be the
responsibility of the optimization passes to optimize the extra
moves.
| -rw-r--r-- | erts/emulator/beam/ops.tab | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index c51e4ef784..5942a7e6bf 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -1097,23 +1097,29 @@ i_bs_match_string x f W W bs_get_integer2 Fail=f Ms=x Live=u Sz=sq Unit=u Flags=u Dst=d => \ gen_get_integer2(Fail, Ms, Live, Sz, Unit, Flags, Dst) +i_bs_get_integer_small_imm Ms Bits Fail Flags Y=y => \ + i_bs_get_integer_small_imm Ms Bits Fail Flags x | move x Y + +i_bs_get_integer_imm Ms Bits Live Fail Flags Y=y => \ + i_bs_get_integer_imm Ms Bits Live Fail Flags x | move x Y + i_bs_get_integer_small_imm x W f? t x i_bs_get_integer_imm x W t f? t x -i_bs_get_integer f? t t x s x -i_bs_get_integer_8 x f? x -i_bs_get_integer_16 x f? x +i_bs_get_integer f? t t x s xy +i_bs_get_integer_8 x f? xy +i_bs_get_integer_16 x f? xy %if ARCH_64 -i_bs_get_integer_32 x f? x +i_bs_get_integer_32 x f? xy %endif # Fetching binaries from binaries. bs_get_binary2 Fail=f Ms=x Live=u Sz=sq Unit=u Flags=u Dst=d => \ gen_get_binary2(Fail, Ms, Live, Sz, Unit, Flags, Dst) -i_bs_get_binary_imm2 f? x t W t x -i_bs_get_binary2 f x t? s t x -i_bs_get_binary_all2 f? x t t x +i_bs_get_binary_imm2 f? x t W t xy +i_bs_get_binary2 f x t? s t xy +i_bs_get_binary_all2 f? x t t xy i_bs_get_binary_all_reuse x f? t # Fetching float from binaries. @@ -1122,7 +1128,7 @@ bs_get_float2 Fail=f Ms=x Live=u Sz=s Unit=u Flags=u Dst=d => \ bs_get_float2 Fail=f Ms=x Live=u Sz=q Unit=u Flags=u Dst=d => jump Fail -i_bs_get_float2 f? x t s t x +i_bs_get_float2 f? x t s t xy # Miscellanous @@ -1156,14 +1162,14 @@ bs_context_to_binary x # Utf8/utf16/utf32 support. (R12B-5) # bs_get_utf8 Fail=f Ms=x u u Dst=d => i_bs_get_utf8 Ms Fail Dst -i_bs_get_utf8 x f? x +i_bs_get_utf8 x f? xy bs_skip_utf8 Fail=f Ms=x u u => i_bs_get_utf8 Ms Fail x bs_get_utf16 Fail=f Ms=x u Flags=u Dst=d => i_bs_get_utf16 Ms Fail Flags Dst bs_skip_utf16 Fail=f Ms=x u Flags=u => i_bs_get_utf16 Ms Fail Flags x -i_bs_get_utf16 x f? t x +i_bs_get_utf16 x f? t xy bs_get_utf32 Fail=f Ms=x Live=u Flags=u Dst=d => \ bs_get_integer2 Fail Ms Live i=32 u=1 Flags Dst | \ @@ -1182,6 +1188,9 @@ i_bs_validate_unicode_retract j s S bs_init2 Fail Sz Words Regs Flags Dst | binary_too_big(Sz) => system_limit Fail +bs_init2 Fail Sz Words Regs Flags Dst=y => \ + bs_init2 Fail Sz Words Regs Flags x | move x Dst + bs_init2 Fail Sz=u Words=u==0 Regs Flags Dst => i_bs_init Sz Regs Dst bs_init2 Fail Sz=u Words Regs Flags Dst => \ @@ -1202,6 +1211,8 @@ i_bs_init_heap W I t? x bs_init_bits Fail Sz=o Words Regs Flags Dst => system_limit Fail +bs_init_bits Fail Sz Words Regs Flags Dst=y => \ + bs_init_bits Fail Sz Words Regs Flags x | move x Dst bs_init_bits Fail Sz=u Words=u==0 Regs Flags Dst => i_bs_init_bits Sz Regs Dst bs_init_bits Fail Sz=u Words Regs Flags Dst => i_bs_init_bits_heap Sz Words Regs Dst @@ -1230,7 +1241,7 @@ bs_private_append Fail Size Unit Bin Flags Dst => \ bs_init_writable -i_bs_append j? I t? t s x +i_bs_append j? I t? t s xy i_bs_private_append j? t s S x # |