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[Qemu-devel] [PATCH 127/147] target-s390: Implement LOAD ON CONDITION
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 127/147] target-s390: Implement LOAD ON CONDITION |
Date: |
Thu, 27 Sep 2012 18:03:32 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-s390x/insn-data.def | 5 +++++
target-s390x/translate.c | 30 ++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+)
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index b739d70..91ee055 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -390,6 +390,11 @@
C(0xb301, LNEBR, RRE, Z, 0, e2, new, e1, nabsf32, f32)
C(0xb311, LNDBR, RRE, Z, 0, f2_o, f1, 0, nabsf64, f64)
C(0xb341, LNXBR, RRE, Z, 0, x2_o, x1, 0, nabsf128, f128)
+/* LOAD ON CONDITION */
+ C(0xb9f2, LOCR, RRF_c, LOC, r1, r2, new, r1_32, loc, 0)
+ C(0xb9e2, LOCGR, RRF_c, LOC, r1, r2, r1, 0, loc, 0)
+ C(0xebf2, LOC, RSY_b, LOC, r1, m2_32u, new, r1_32, loc, 0)
+ C(0xebe2, LOCG, RSY_b, LOC, r1, m2_64, r1, 0, loc, 0)
/* LOAD POSITIVE */
C(0x1000, LPR, RR_a, Z, 0, r2_32s, new, r1_32, abs, abs32)
C(0xb900, LPGR, RRE, Z, 0, r2, r1, 0, abs, abs64)
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 0c9df96..130b88e 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -2045,6 +2045,36 @@ static ExitStatus op_ld64(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_loc(DisasContext *s, DisasOps *o)
+{
+ DisasCompare c;
+
+ disas_jcc(s, &c, get_field(s->fields, m3));
+
+ if (c.is_64) {
+ tcg_gen_movcond_i64(c.cond, o->out, c.u.s64.a, c.u.s64.b,
+ o->in2, o->in1);
+ free_compare(&c);
+ } else {
+ TCGv_i32 t32 = tcg_temp_new_i32();
+ TCGv_i64 t, z;
+
+ tcg_gen_setcond_i32(c.cond, t32, c.u.s32.a, c.u.s32.b);
+ free_compare(&c);
+
+ t = tcg_temp_new_i64();
+ tcg_gen_extu_i32_i64(t, t32);
+ tcg_temp_free_i32(t32);
+
+ z = tcg_const_i64(0);
+ tcg_gen_movcond_i64(TCG_COND_NE, o->out, t, z, o->in2, o->in1);
+ tcg_temp_free_i64(t);
+ tcg_temp_free_i64(z);
+ }
+
+ return NO_EXIT;
+}
+
#ifndef CONFIG_USER_ONLY
static ExitStatus op_lctl(DisasContext *s, DisasOps *o)
{
--
1.7.11.4
- [Qemu-devel] [PATCH 117/147] target-s390: Delete dead code from old translator, (continued)
- [Qemu-devel] [PATCH 117/147] target-s390: Delete dead code from old translator, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 118/147] target-s390: Implement BRANCH ON INDEX, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 119/147] target-s390: Tidy s->op_cc handling, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 120/147] target-s390: Implement COMPARE AND BRANCH, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 121/147] target-s390: Implement RISBG, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 122/147] target-s390: Implement LDGR, LGDR, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 123/147] target-s390: Implement R[NOX]SBG, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 124/147] target-s390: Implement PREFETCH, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 125/147] target-s390: Implement COMPARE RELATIVE LONG, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 126/147] target-s390: Implement COMPARE AND TRAP, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 127/147] target-s390: Implement LOAD ON CONDITION,
Richard Henderson <=
- [Qemu-devel] [PATCH 128/147] target-s390: Implement STORE ON CONDITION, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 129/147] target-s390: Implement CONVERT TO LOGICAL, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 130/147] target-s390: Implement CONVERT FROM LOGICAL, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 131/147] target-s390: Implement POPCNT, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 132/147] target-s390: Implement CPSDR, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 133/147] target-s390: Check insn operand specifications, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 134/147] target-s390: Implement LCDFR, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 135/147] softfloat: Fix uint64_to_float64, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 136/147] softfloat: Implement uint64_to_float128, Richard Henderson, 2012/09/27