Commit f3f478a7 authored by Fabrice Bellard's avatar Fabrice Bellard
Browse files

Fix signed/unsigned issues of immediate version of brcond (malc) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4588 c046a42c-6fe2-441c-8c8c-71466251a162
parent ef28fd86

tcg/ppc/tcg-target.c

+48 −11
Original line number Diff line number Diff line
@@ -866,18 +866,55 @@ static void tcg_out_brcond(TCGContext *s, int cond, 
    int imm;

    uint32_t op;



    imm = const_arg2 ? ((int16_t) arg2 == arg2) : 0;

    switch (cond) {

    case TCG_COND_EQ: op = imm ? CMPLI : CMPL; break;

    case TCG_COND_NE: op = imm ? CMPLI : CMPL; break;

    case TCG_COND_LT: op = imm ? CMPI : CMP; break;

    case TCG_COND_GE: op = imm ? CMPI : CMP; break;

    case TCG_COND_LE: op = imm ? CMPI : CMP; break;

    case TCG_COND_GT: op = imm ? CMPI : CMP; break;

    case TCG_COND_LTU: op = imm ? CMPLI : CMPL; break;

    case TCG_COND_GEU: op = imm ? CMPLI : CMPL; break;

    case TCG_COND_LEU: op = imm ? CMPLI : CMPL; break;

    case TCG_COND_GTU: op = imm ? CMPLI : CMPL; break;

    case TCG_COND_EQ:

    case TCG_COND_NE:

        if (const_arg2) {

            if ((int16_t) arg2 == arg2) {

                op = CMPI;

                imm = 1;

                break;

            }

            else if ((uint16_t) arg2 == arg2) {

                op = CMPLI;

                imm = 1;

                break;

            }

        }

        op = CMPL;

        imm = 0;

        break;



    case TCG_COND_LT:

    case TCG_COND_GE:

    case TCG_COND_LE:

    case TCG_COND_GT:

        if (const_arg2) {

            if ((int16_t) arg2 == arg2) {

                op = CMPI;

                imm = 1;

                break;

            }

        }

        op = CMP;

        imm = 0;

        break;



    case TCG_COND_LTU:

    case TCG_COND_GEU:

    case TCG_COND_LEU:

    case TCG_COND_GTU:

        if (const_arg2) {

            if ((uint16_t) arg2 == arg2) {

                op = CMPLI;

                imm = 1;

                break;

            }

        }

        op = CMPL;

        imm = 0;

        break;



    default:

        tcg_abort ();

    }