diff options
| author | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-03-02 18:25:27 +0000 |
|---|---|---|
| committer | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-03-02 18:25:27 +0000 |
| commit | 00f219bf50f05f75706baa7e6660c9fd1095b666 (patch) | |
| tree | e4966199f91384a304ad2d40a26cdfb5bf6a6c74 /target-sparc | |
| parent | 38bc628b08e5d43024cb407cd0605a068fcc5536 (diff) | |
Convert movr and (partially) movcc to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4010 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/op.c | 6 | ||||
| -rw-r--r-- | target-sparc/translate.c | 60 |
2 files changed, 42 insertions, 24 deletions
diff --git a/target-sparc/op.c b/target-sparc/op.c index eadd1fd418..11a5519cb8 100644 --- a/target-sparc/op.c +++ b/target-sparc/op.c @@ -1589,12 +1589,6 @@ void OPPROTO op_fmovq_cc(void) } #endif -void OPPROTO op_mov_cc(void) -{ - if (T2) - T0 = T1; -} - void OPPROTO op_flushw(void) { if (env->cansave != NWINDOWS - 2) { diff --git a/target-sparc/translate.c b/target-sparc/translate.c index a366b1f1ac..58be1c78a0 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -577,6 +577,18 @@ static void gen_cond_reg(int cond) break; } } + +// Inverted logic +static const int gen_tcg_cond_reg[8] = { + -1, + TCG_COND_NE, + TCG_COND_GT, + TCG_COND_GE, + -1, + TCG_COND_EQ, + TCG_COND_LE, + TCG_COND_LT, +}; #endif /* XXX: potentially incorrect if dynamic npc */ @@ -2452,15 +2464,9 @@ static void disas_sparc_insn(DisasContext * dc) { int cc = GET_FIELD_SP(insn, 11, 12); int cond = GET_FIELD_SP(insn, 14, 17); - if (IS_IMM) { /* immediate */ - rs2 = GET_FIELD_SPs(insn, 0, 10); - gen_movl_simm_T1(rs2); - } - else { - rs2 = GET_FIELD_SP(insn, 0, 4); - gen_movl_reg_T1(rs2); - } - gen_movl_reg_T0(rd); + TCGv r_zero; + int l1; + flush_T2(dc); if (insn & (1 << 18)) { if (cc == 0) @@ -2472,8 +2478,21 @@ static void disas_sparc_insn(DisasContext * dc) } else { gen_fcond[cc][cond](); } - gen_op_mov_cc(); - gen_movl_T0_reg(rd); + + l1 = gen_new_label(); + + r_zero = tcg_temp_new(TCG_TYPE_TL); + tcg_gen_movi_tl(r_zero, 0); + tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[2], r_zero, l1); + if (IS_IMM) { /* immediate */ + rs2 = GET_FIELD_SPs(insn, 0, 10); + gen_movl_simm_T1(rs2); + } else { + rs2 = GET_FIELD_SP(insn, 0, 4); + gen_movl_reg_T1(rs2); + } + gen_movl_T1_reg(rd); + gen_set_label(l1); break; } case 0x2d: /* V9 sdivx */ @@ -2498,21 +2517,26 @@ static void disas_sparc_insn(DisasContext * dc) case 0x2f: /* V9 movr */ { int cond = GET_FIELD_SP(insn, 10, 12); + TCGv r_zero; + int l1; + rs1 = GET_FIELD(insn, 13, 17); - flush_T2(dc); gen_movl_reg_T0(rs1); - gen_cond_reg(cond); + + l1 = gen_new_label(); + + r_zero = tcg_temp_new(TCG_TYPE_TL); + tcg_gen_movi_tl(r_zero, 0); + tcg_gen_brcond_tl(gen_tcg_cond_reg[cond], cpu_T[0], r_zero, l1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELD_SPs(insn, 0, 9); gen_movl_simm_T1(rs2); - } - else { + } else { rs2 = GET_FIELD_SP(insn, 0, 4); gen_movl_reg_T1(rs2); } - gen_movl_reg_T0(rd); - gen_op_mov_cc(); - gen_movl_T0_reg(rd); + gen_movl_T1_reg(rd); + gen_set_label(l1); break; } #endif |