Commit 3115584d authored by Mark Cave-Ayland's avatar Mark Cave-Ayland Committed by Richard Henderson
Browse files

tcg/i386: fix unsigned vector saturating arithmetic 



Due to a cut/paste error in the original implementation, the unsigned
vector saturating arithmetic was erroneously being calculated as signed
vector saturating arithmetic.

Fixes: 8ffafbce ("tcg/i386: Implement vector saturating arithmetic")
Signed-off-by: default avatarMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20190207224258.426-1-mark.cave-ayland@ilande.co.uk>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
parent bef16ab4

tcg/i386/tcg-target.inc.c

+2 −2
Original line number Diff line number Diff line
@@ -2615,7 +2615,7 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, 
        OPC_PADDSB, OPC_PADDSW, OPC_UD2, OPC_UD2

    };

    static int const usadd_insn[4] = {

        OPC_PADDSB, OPC_PADDSW, OPC_UD2, OPC_UD2

        OPC_PADDUB, OPC_PADDUW, OPC_UD2, OPC_UD2

    };

    static int const sub_insn[4] = {

        OPC_PSUBB, OPC_PSUBW, OPC_PSUBD, OPC_PSUBQ
@@ -2624,7 +2624,7 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, 
        OPC_PSUBSB, OPC_PSUBSW, OPC_UD2, OPC_UD2

    };

    static int const ussub_insn[4] = {

        OPC_PSUBSB, OPC_PSUBSW, OPC_UD2, OPC_UD2

        OPC_PSUBUB, OPC_PSUBUW, OPC_UD2, OPC_UD2

    };

    static int const mul_insn[4] = {

        OPC_UD2, OPC_PMULLW, OPC_PMULLD, OPC_UD2