[Qemu-devel] [PATCH RFC v1 08/29] target-arc: MOV, EXT, SEX, SWAP

[Michael Rolnik <mrolnik@gmail.com>]

Signed-off-by: Michael Rolnik <mrolnik@gmail.com>
---
 target-arc/translate-inst.c | 156 ++++++++++++++++++++++++++++++++++++++++++++
 target-arc/translate-inst.h |   7 ++
 2 files changed, 163 insertions(+)

diff --git a/target-arc/translate-inst.c b/target-arc/translate-inst.c
index 5404f35..4d756a9 100644
--- a/target-arc/translate-inst.c
+++ b/target-arc/translate-inst.c
@@ -923,3 +923,159 @@ int arc_gen_MIN(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
     return  BS_NONE;
 }
 
+/*
+    MOV
+*/
+int arc_gen_MOV(DisasCtxt *ctx, TCGv dest, TCGv src1)
+{
+    TCGv rslt = dest;
+
+    if (TCGV_EQUAL(dest, src1)) {
+        rslt = tcg_temp_new_i32();
+    }
+
+    tcg_gen_mov_tl(rslt, src1);
+
+    if (ctx->opt.f) {
+        tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+        tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+    }
+
+    if (!TCGV_EQUAL(dest, rslt)) {
+        tcg_gen_mov_tl(dest, rslt);
+        tcg_temp_free_i32(rslt);
+    }
+
+    return  BS_NONE;
+}
+
+/*
+    EXTB
+*/
+int arc_gen_EXTB(DisasCtxt *ctx, TCGv dest, TCGv src1)
+{
+    TCGv rslt = dest;
+
+    if (TCGV_EQUAL(dest, src1)) {
+        rslt = tcg_temp_new_i32();
+    }
+
+    tcg_gen_ext8u_tl(rslt, src1);
+
+    if (ctx->opt.f) {
+        tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+        tcg_gen_movi_tl(cpu_Nf, 0);
+    }
+
+    if (!TCGV_EQUAL(dest, rslt)) {
+        tcg_gen_mov_tl(dest, rslt);
+        tcg_temp_free_i32(rslt);
+    }
+
+    return BS_NONE;
+}
+
+/*
+    EXTW
+*/
+int arc_gen_EXTW(DisasCtxt *ctx, TCGv dest, TCGv src1)
+{
+    TCGv rslt = dest;
+
+    if (TCGV_EQUAL(dest, src1)) {
+        rslt = tcg_temp_new_i32();
+    }
+
+    tcg_gen_ext16u_tl(rslt, src1);
+
+    if (ctx->opt.f) {
+        tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+        tcg_gen_movi_tl(cpu_Nf, 0);
+    }
+
+    if (!TCGV_EQUAL(dest, rslt)) {
+        tcg_gen_mov_tl(dest, rslt);
+        tcg_temp_free_i32(rslt);
+    }
+
+    return BS_NONE;
+}
+
+/*
+    SEXB
+*/
+int arc_gen_SEXB(DisasCtxt *ctx, TCGv dest, TCGv src1)
+{
+    TCGv rslt = dest;
+
+    if (TCGV_EQUAL(dest, src1)) {
+        rslt = tcg_temp_new_i32();
+    }
+
+    tcg_gen_ext8s_tl(rslt, src1);
+
+    if (ctx->opt.f) {
+        tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+        tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+    }
+
+    if (!TCGV_EQUAL(dest, rslt)) {
+        tcg_gen_mov_tl(dest, rslt);
+        tcg_temp_free_i32(rslt);
+    }
+
+    return  BS_NONE;
+}
+
+/*
+    SEXW
+*/
+int arc_gen_SEXW(DisasCtxt *ctx, TCGv dest, TCGv src1)
+{
+    TCGv rslt = dest;
+
+    if (TCGV_EQUAL(dest, src1)) {
+        rslt = tcg_temp_new_i32();
+    }
+
+    tcg_gen_ext16s_tl(rslt, src1);
+
+    if (ctx->opt.f) {
+        tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+        tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+    }
+
+    if (!TCGV_EQUAL(dest, rslt)) {
+        tcg_gen_mov_tl(dest, rslt);
+        tcg_temp_free_i32(rslt);
+    }
+
+    return  BS_NONE;
+}
+
+/*
+    SWAP
+*/
+int arc_gen_SWAP(DisasCtxt *ctx, TCGv dest, TCGv src1)
+{
+    TCGv rslt = dest;
+
+    if (TCGV_EQUAL(dest, src1)) {
+        rslt = tcg_temp_new_i32();
+    }
+
+    tcg_gen_rotli_tl(rslt, src1, 16);
+
+    if (ctx->opt.f) {
+        tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+        tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+    }
+
+    if (!TCGV_EQUAL(dest, rslt)) {
+        tcg_gen_mov_tl(dest, rslt);
+        tcg_temp_free_i32(rslt);
+    }
+
+    return  BS_NONE;
+}
+
diff --git a/target-arc/translate-inst.h b/target-arc/translate-inst.h
index 0dc7f4c..916d94e 100644
--- a/target-arc/translate-inst.h
+++ b/target-arc/translate-inst.h
@@ -64,3 +64,10 @@ int arc_gen_SYNC(DisasCtxt *c);
 int arc_gen_MAX(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
 int arc_gen_MIN(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
 
+int arc_gen_MOV(DisasCtxt *c, TCGv dest, TCGv src1);
+int arc_gen_EXTB(DisasCtxt *c, TCGv dest, TCGv src1);
+int arc_gen_EXTW(DisasCtxt *c, TCGv dest, TCGv src1);
+int arc_gen_SEXB(DisasCtxt *c, TCGv dest, TCGv src1);
+int arc_gen_SEXW(DisasCtxt *c, TCGv dest, TCGv src1);
+int arc_gen_SWAP(DisasCtxt *c, TCGv dest, TCGv src1);
+
-- 
2.4.9 (Apple Git-60)