Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/sparc/insns.decode | 7 ++++++
target/sparc/helper.c | 4 ----
target/sparc/translate.c | 48 ++++++++++++++++++---------------------
3 files changed, 29 insertions(+), 30 deletions(-)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 74bf3760e9..39099ae14b 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -32,6 +32,7 @@ CALL 01 i:s30
&r_r_ri_cc rd rs1 rs2_or_imm imm:bool cc:bool
@r_r_ri_cc .. rd:5 . cc:1 .... rs1:5 imm:1 rs2_or_imm:s13 &r_r_ri_cc
@r_r_ri_cc0 .. rd:5 ...... rs1:5 imm:1 rs2_or_imm:s13 &r_r_ri_cc cc=0
+@r_r_ri_cc1 .. rd:5 ...... rs1:5 imm:1 rs2_or_imm:s13 &r_r_ri_cc cc=1
{
[
@@ -170,12 +171,18 @@ SUBC 10 ..... 0.1100 ..... . .............
@r_r_ri_cc
MULX 10 ..... 001001 ..... . ............. @r_r_ri_cc0
UMUL 10 ..... 0.1010 ..... . ............. @r_r_ri_cc
SMUL 10 ..... 0.1011 ..... . ............. @r_r_ri_cc
+MULScc 10 ..... 100100 ..... . ............. @r_r_ri_cc1
UDIVX 10 ..... 001101 ..... . ............. @r_r_ri_cc0
SDIVX 10 ..... 101101 ..... . ............. @r_r_ri_cc0
UDIV 10 ..... 0.1110 ..... . ............. @r_r_ri_cc
SDIV 10 ..... 0.1111 ..... . ............. @r_r_ri_cc
+TADDcc 10 ..... 100000 ..... . ............. @r_r_ri_cc1
+TSUBcc 10 ..... 100001 ..... . ............. @r_r_ri_cc1
+TADDccTV 10 ..... 100010 ..... . ............. @r_r_ri_cc1
+TSUBccTV 10 ..... 100011 ..... . ............. @r_r_ri_cc1
+
Tcc_r 10 0 cond:4 111010 rs1:5 0 cc:1 0000000 rs2:5
{
# For v7, the entire simm13 field is present, but masked to 7 bits.
diff --git a/target/sparc/helper.c b/target/sparc/helper.c
index e25fdaeedd..2bcdc81d54 100644
--- a/target/sparc/helper.c
+++ b/target/sparc/helper.c
@@ -198,10 +198,8 @@ target_ulong helper_taddcctv(CPUSPARCState *env,
target_ulong src1,
}
/* Only modify the CC after any exceptions have been generated. */
- env->cc_op = CC_OP_TADDTV;
env->cc_src = src1;
env->cc_src2 = src2;
- env->cc_dst = dst;
return dst;
tag_overflow:
@@ -226,10 +224,8 @@ target_ulong helper_tsubcctv(CPUSPARCState *env,
target_ulong src1,
}
/* Only modify the CC after any exceptions have been generated. */
- env->cc_op = CC_OP_TSUBTV;
env->cc_src = src1;
env->cc_src2 = src2;
- env->cc_dst = dst;
return dst;
tag_overflow:
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index e8d904d565..cb86afb825 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -717,6 +717,16 @@ static void gen_op_sdivcc(TCGv dst, TCGv src1, TCGv src2)
gen_helper_sdiv_cc(dst, tcg_env, src1, src2);
}
+static void gen_op_taddcctv(TCGv dst, TCGv src1, TCGv src2)
+{
+ gen_helper_taddcctv(dst, tcg_env, src1, src2);
+}
+
+static void gen_op_tsubcctv(TCGv dst, TCGv src1, TCGv src2)
+{
+ gen_helper_tsubcctv(dst, tcg_env, src1, src2);
+}
+
// 1
static void gen_op_eval_ba(TCGv dst)
{
@@ -4232,6 +4242,11 @@ TRANS(UDIV, DIV, do_arith, a, CC_OP_DIV,
TRANS(SDIV, DIV, do_arith, a, CC_OP_DIV,
a->cc ? gen_op_sdivcc : gen_op_sdiv, NULL)
+TRANS(TADDcc, ALL, do_arith, a, CC_OP_TADD, gen_op_add_cc, NULL)
+TRANS(TSUBcc, ALL, do_arith, a, CC_OP_TSUB, gen_op_sub_cc, NULL)
+TRANS(TADDccTV, ALL, do_arith, a, CC_OP_TADDTV, gen_op_taddcctv, NULL)
+TRANS(TSUBccTV, ALL, do_arith, a, CC_OP_TSUBTV, gen_op_tsubcctv, NULL)
+
static bool trans_OR(DisasContext *dc, arg_r_r_ri_cc *a)
{
/* OR with %g0 is the canonical alias for MOV. */
@@ -4329,6 +4344,12 @@ static bool trans_SUBC(DisasContext *dc, arg_r_r_ri_cc
*a)
return do_arith(dc, a, CC_OP_SUBX, func, NULL);
}
+static bool trans_MULScc(DisasContext *dc, arg_r_r_ri_cc *a)
+{
+ update_psr(dc);
+ return do_arith(dc, a, CC_OP_ADD, gen_op_mulscc, NULL);
+}
+
#define CHECK_IU_FEATURE(dc, FEATURE) \
if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
goto illegal_insn;
@@ -4756,36 +4777,11 @@ static void disas_sparc_legacy(DisasContext *dc,
unsigned int insn)
cpu_src2 = get_src2(dc, insn);
switch (xop) {
case 0x20: /* taddcc */
- gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
- gen_store_gpr(dc, rd, cpu_dst);
- tcg_gen_movi_i32(cpu_cc_op, CC_OP_TADD);
- dc->cc_op = CC_OP_TADD;
- break;
case 0x21: /* tsubcc */
- gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
- gen_store_gpr(dc, rd, cpu_dst);
- tcg_gen_movi_i32(cpu_cc_op, CC_OP_TSUB);
- dc->cc_op = CC_OP_TSUB;
- break;
case 0x22: /* taddcctv */
- gen_helper_taddcctv(cpu_dst, tcg_env,
- cpu_src1, cpu_src2);
- gen_store_gpr(dc, rd, cpu_dst);
- dc->cc_op = CC_OP_TADDTV;
- break;
case 0x23: /* tsubcctv */
- gen_helper_tsubcctv(cpu_dst, tcg_env,
- cpu_src1, cpu_src2);
- gen_store_gpr(dc, rd, cpu_dst);
- dc->cc_op = CC_OP_TSUBTV;
- break;
case 0x24: /* mulscc */
- update_psr(dc);
- gen_op_mulscc(cpu_dst, cpu_src1, cpu_src2);
- gen_store_gpr(dc, rd, cpu_dst);
- tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
- dc->cc_op = CC_OP_ADD;
- break;
+ goto illegal_insn; /* in decodetree */
#ifndef TARGET_SPARC64
case 0x25: /* sll */
if (IS_IMM) { /* immediate */
--
2.34.1
