Commit 6498594c authored by Richard Henderson's avatar Richard Henderson
Browse files

tcg/optimize: Optimize bswap



Somehow we forgot these operations, once upon a time.
This will allow immediate stores to have their bswap
optimized away.

Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
parent 9e821eab
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+12 −0
Original line number Diff line number Diff line
@@ -353,6 +353,15 @@ static TCGArg do_constant_folding_2(TCGOpcode op, TCGArg x, TCGArg y)
    CASE_OP_32_64(ext16u):
        return (uint16_t)x;

    CASE_OP_32_64(bswap16):
        return bswap16(x);

    CASE_OP_32_64(bswap32):
        return bswap32(x);

    case INDEX_op_bswap64_i64:
        return bswap64(x);

    case INDEX_op_ext_i32_i64:
    case INDEX_op_ext32s_i64:
        return (int32_t)x;
@@ -1105,6 +1114,9 @@ void tcg_optimize(TCGContext *s)
        CASE_OP_32_64(ext16s):
        CASE_OP_32_64(ext16u):
        CASE_OP_32_64(ctpop):
        CASE_OP_32_64(bswap16):
        CASE_OP_32_64(bswap32):
        case INDEX_op_bswap64_i64:
        case INDEX_op_ext32s_i64:
        case INDEX_op_ext32u_i64:
        case INDEX_op_ext_i32_i64: