Patchwork [041/126] target-s390: Convert CONVERT TO DECIMAL

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Submitter Richard Henderson
Date Sept. 9, 2012, 9:04 p.m.
Message ID <1347224784-19472-42-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/182684/
State New
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Richard Henderson - Sept. 9, 2012, 9:04 p.m.
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-s390x/insn-data.def |  4 ++++
 target-s390x/translate.c   | 24 ++++++++++++------------
 2 files changed, 16 insertions(+), 12 deletions(-)

Patch

diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index 68f9711..9d26370 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -131,6 +131,10 @@ 
     C(0xc607, CLHRL,   RIL_b, GIE, r1_o, mri2_16u, 0, 0, 0, cmpu32)
     C(0xc606, CLGHRL,  RIL_b, GIE, r1_o, mri2_16u, 0, 0, 0, cmpu64)
 
+/* CONVERT TO DECIMAL */
+    C(0x4e00, CVD,     RX_a,  Z,   r1_o, a2, 0, 0, cvd, 0)
+    C(0xe326, CVDY,    RXY_a, LD,  r1_o, a2, 0, 0, cvd, 0)
+
 /* DIVIDE */
     C(0x1d00, DR,      RR_a,  Z,   r1_P32, r2_32s, new_P, r1_P32, divs32, 0)
     C(0x5d00, D,       RX_a,  Z,   r1_P32, m2_32s, new_P, r1_P32, divs32, 0)
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 621cd20..11feffd 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -2348,18 +2348,6 @@  static void disas_s390_insn(DisasContext *s)
     LOG_DISAS("opc 0x%x\n", opc);
 
     switch (opc) {
-    case 0x4e: /* CVD    R1,D2(X2,B2)     [RX] */
-        insn = ld_code4(s->pc);
-        tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
-        tmp2 = tcg_temp_new_i64();
-        tmp32_1 = tcg_temp_new_i32();
-        tcg_gen_trunc_i64_i32(tmp32_1, regs[r1]);
-        gen_helper_cvd(tmp2, tmp32_1);
-        tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
-        tcg_temp_free_i64(tmp);
-        tcg_temp_free_i64(tmp2);
-        tcg_temp_free_i32(tmp32_1);
-        break;
 #ifndef CONFIG_USER_ONLY
     case 0x80: /* SSM      D2(B2)       [S] */
         /* Set System Mask */
@@ -3310,6 +3298,18 @@  static ExitStatus op_bct64(DisasContext *s, DisasOps *o)
     return help_branch(s, &c, is_imm, imm, o->in2);
 }
 
+static ExitStatus op_cvd(DisasContext *s, DisasOps *o)
+{
+    TCGv_i64 t1 = tcg_temp_new_i64();
+    TCGv_i32 t2 = tcg_temp_new_i32();
+    tcg_gen_trunc_i64_i32(t2, o->in1);
+    gen_helper_cvd(t1, t2);
+    tcg_temp_free_i32(t2);
+    tcg_gen_qemu_st64(t1, o->in2, get_mem_index(s));
+    tcg_temp_free_i64(t1);
+    return NO_EXIT;
+}
+
 static ExitStatus op_divs32(DisasContext *s, DisasOps *o)
 {
     gen_helper_divs32(o->out2, cpu_env, o->in1, o->in2);