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committedMay 24, 2019
[AArch64][SVE2] Asm: add integer add/sub long/wide instructions
Summary: Patch adds support for the following instructions: SVE2 integer add/subtract long: * SADDLB, SADDLT, UADDLB, UADDLT, SSUBLB, SSUBLT, USUBLB, USUBLT, SABDLB, SABDLT, UABDLB, UABDLT SVE2 integer add/subtract wide: * SADDWB, SADDWT, UADDWB, UADDWT, SSUBWB, SSUBWT, USUBWB, USUBWT The specification can be found here: https://developer.arm.com/docs/ddi0602/latest Reviewed By: SjoerdMeijer Differential Revision: https://reviews.llvm.org/D62142 llvm-svn: 361615
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Diff for: ‎llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td

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Original file line numberDiff line numberDiff line change
@@ -1164,6 +1164,30 @@ let Predicates = [HasSVE2] in {
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defm SQRSHLR_ZPmZ : sve2_int_arith_pred<0b011100, "sqrshlr">;
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defm UQRSHLR_ZPmZ : sve2_int_arith_pred<0b011110, "uqrshlr">;
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// SVE2 integer add/subtract long
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defm SADDLB_ZZZ : sve2_wide_int_arith_long<0b00000, "saddlb">;
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defm SADDLT_ZZZ : sve2_wide_int_arith_long<0b00001, "saddlt">;
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defm UADDLB_ZZZ : sve2_wide_int_arith_long<0b00010, "uaddlb">;
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defm UADDLT_ZZZ : sve2_wide_int_arith_long<0b00011, "uaddlt">;
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defm SSUBLB_ZZZ : sve2_wide_int_arith_long<0b00100, "ssublb">;
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defm SSUBLT_ZZZ : sve2_wide_int_arith_long<0b00101, "ssublt">;
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defm USUBLB_ZZZ : sve2_wide_int_arith_long<0b00110, "usublb">;
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defm USUBLT_ZZZ : sve2_wide_int_arith_long<0b00111, "usublt">;
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defm SABDLB_ZZZ : sve2_wide_int_arith_long<0b01100, "sabdlb">;
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defm SABDLT_ZZZ : sve2_wide_int_arith_long<0b01101, "sabdlt">;
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defm UABDLB_ZZZ : sve2_wide_int_arith_long<0b01110, "uabdlb">;
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defm UABDLT_ZZZ : sve2_wide_int_arith_long<0b01111, "uabdlt">;
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// SVE2 integer add/subtract wide
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defm SADDWB_ZZZ : sve2_wide_int_arith_wide<0b000, "saddwb">;
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defm SADDWT_ZZZ : sve2_wide_int_arith_wide<0b001, "saddwt">;
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defm UADDWB_ZZZ : sve2_wide_int_arith_wide<0b010, "uaddwb">;
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defm UADDWT_ZZZ : sve2_wide_int_arith_wide<0b011, "uaddwt">;
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defm SSUBWB_ZZZ : sve2_wide_int_arith_wide<0b100, "ssubwb">;
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defm SSUBWT_ZZZ : sve2_wide_int_arith_wide<0b101, "ssubwt">;
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defm USUBWB_ZZZ : sve2_wide_int_arith_wide<0b110, "usubwb">;
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defm USUBWT_ZZZ : sve2_wide_int_arith_wide<0b111, "usubwt">;
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// SVE2 integer multiply long
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defm SQDMULLB_ZZZ : sve2_wide_int_arith_long<0b11000, "sqdmullb">;
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defm SQDMULLT_ZZZ : sve2_wide_int_arith_long<0b11001, "sqdmullt">;

Diff for: ‎llvm/lib/Target/AArch64/SVEInstrFormats.td

+6
Original file line numberDiff line numberDiff line change
@@ -2180,6 +2180,12 @@ multiclass sve2_wide_int_arith_long<bits<5> opc, string asm> {
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def _D : sve2_wide_int_arith<0b11, opc, asm, ZPR64, ZPR32, ZPR32>;
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}
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multiclass sve2_wide_int_arith_wide<bits<3> opc, string asm> {
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def _H : sve2_wide_int_arith<0b01, { 0b10, opc }, asm, ZPR16, ZPR16, ZPR8>;
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def _S : sve2_wide_int_arith<0b10, { 0b10, opc }, asm, ZPR32, ZPR32, ZPR16>;
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def _D : sve2_wide_int_arith<0b11, { 0b10, opc }, asm, ZPR64, ZPR64, ZPR32>;
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}
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//===----------------------------------------------------------------------===//
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// SVE Integer Arithmetic - Unary Predicated Group
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//===----------------------------------------------------------------------===//

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