Commit 03039e5e authored by Tom Musta's avatar Tom Musta Committed by Alexander Graf
Browse files

target-ppc: Clean Up mullw 



Eliminate the unecessary ext32s TCG operation and make the multiplication
operation explicitly 32 bit.

Signed-off-by: default avatarTom Musta <tommusta@gmail.com>
Suggested-by: default avatarRichard Henderson <rth@twiddle.net>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 57fca134

target-ppc/translate.c

+2 −3
Original line number Diff line number Diff line
@@ -1138,9 +1138,8 @@ static void gen_mullw(DisasContext *ctx) 
    tcg_temp_free(t0);

    tcg_temp_free(t1);

#else

    tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],

    tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],

                    cpu_gpr[rB(ctx->opcode)]);

    tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)]);

#endif

    if (unlikely(Rc(ctx->opcode) != 0))

        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);