[PULL 34/42] target/ppc: Implement prefixed integer load instructions

From: David Gibson <david@gibson.dropbear.id.au>
To: peter.maydell@linaro.org, groug@kaod.org
Cc: Richard Henderson <richard.henderson@linaro.org>,
	David Gibson <david@gibson.dropbear.id.au>,
	qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
	Matheus Ferst <matheus.ferst@eldorado.org.br>
Subject: [PULL 34/42] target/ppc: Implement prefixed integer load instructions
Date: Thu,  3 Jun 2021 18:22:23 +1000	[thread overview]
Message-ID: <20210603082231.601214-35-david@gibson.dropbear.id.au> (raw)
In-Reply-To: <20210603082231.601214-1-david@gibson.dropbear.id.au>

From: Richard Henderson <richard.henderson@linaro.org>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20210601193528.2533031-8-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 target/ppc/insn64.decode                   | 15 +++++++++++++++
 target/ppc/translate/fixedpoint-impl.c.inc | 16 ++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode
index 9aa5097a98..547bd1736f 100644
--- a/target/ppc/insn64.decode
+++ b/target/ppc/insn64.decode
@@ -24,6 +24,21 @@
                 ...... rt:5 ra:5 ................       \
                 &PLS_D si=%pls_si
 
+### Fixed-Point Load Instructions
+
+PLBZ            000001 10 0--.-- .................. \
+                100010 ..... ..... ................     @PLS_D
+PLHZ            000001 10 0--.-- .................. \
+                101000 ..... ..... ................     @PLS_D
+PLHA            000001 10 0--.-- .................. \
+                101010 ..... ..... ................     @PLS_D
+PLWZ            000001 10 0--.-- .................. \
+                100000 ..... ..... ................     @PLS_D
+PLWA            000001 00 0--.-- .................. \
+                101001 ..... ..... ................     @PLS_D
+PLD             000001 00 0--.-- .................. \
+                111001 ..... ..... ................     @PLS_D
+
 ### Fixed-Point Arithmetic Instructions
 
 PADDI           000001 10 0--.-- ..................     \
diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc
index 6140dd41ca..7687f31d6f 100644
--- a/target/ppc/translate/fixedpoint-impl.c.inc
+++ b/target/ppc/translate/fixedpoint-impl.c.inc
@@ -80,6 +80,16 @@ static bool do_ldst_D(DisasContext *ctx, arg_D *a, bool update, bool store,
     return do_ldst(ctx, a->rt, a->ra, tcg_constant_tl(a->si), update, store, mop);
 }
 
+static bool do_ldst_PLS_D(DisasContext *ctx, arg_PLS_D *a, bool update,
+                          bool store, MemOp mop)
+{
+    arg_D d;
+    if (!resolve_PLS_D(ctx, &d, a)) {
+        return true;
+    }
+    return do_ldst_D(ctx, &d, update, store, mop);
+}
+
 static bool do_ldst_X(DisasContext *ctx, arg_X *a, bool update,
                       bool store, MemOp mop)
 {
@@ -91,35 +101,41 @@ TRANS(LBZ, do_ldst_D, false, false, MO_UB)
 TRANS(LBZX, do_ldst_X, false, false, MO_UB)
 TRANS(LBZU, do_ldst_D, true, false, MO_UB)
 TRANS(LBZUX, do_ldst_X, true, false, MO_UB)
+TRANS(PLBZ, do_ldst_PLS_D, false, false, MO_UB)
 
 /* Load Halfword and Zero */
 TRANS(LHZ, do_ldst_D, false, false, MO_UW)
 TRANS(LHZX, do_ldst_X, false, false, MO_UW)
 TRANS(LHZU, do_ldst_D, true, false, MO_UW)
 TRANS(LHZUX, do_ldst_X, true, false, MO_UW)
+TRANS(PLHZ, do_ldst_PLS_D, false, false, MO_UW)
 
 /* Load Halfword Algebraic */
 TRANS(LHA, do_ldst_D, false, false, MO_SW)
 TRANS(LHAX, do_ldst_X, false, false, MO_SW)
 TRANS(LHAU, do_ldst_D, true, false, MO_SW)
 TRANS(LHAXU, do_ldst_X, true, false, MO_SW)
+TRANS(PLHA, do_ldst_PLS_D, false, false, MO_SW)
 
 /* Load Word and Zero */
 TRANS(LWZ, do_ldst_D, false, false, MO_UL)
 TRANS(LWZX, do_ldst_X, false, false, MO_UL)
 TRANS(LWZU, do_ldst_D, true, false, MO_UL)
 TRANS(LWZUX, do_ldst_X, true, false, MO_UL)
+TRANS(PLWZ, do_ldst_PLS_D, false, false, MO_UL)
 
 /* Load Word Algebraic */
 TRANS64(LWA, do_ldst_D, false, false, MO_SL)
 TRANS64(LWAX, do_ldst_X, false, false, MO_SL)
 TRANS64(LWAUX, do_ldst_X, true, false, MO_SL)
+TRANS64(PLWA, do_ldst_PLS_D, false, false, MO_SL)
 
 /* Load Doubleword */
 TRANS64(LD, do_ldst_D, false, false, MO_Q)
 TRANS64(LDX, do_ldst_X, false, false, MO_Q)
 TRANS64(LDU, do_ldst_D, true, false, MO_Q)
 TRANS64(LDUX, do_ldst_X, true, false, MO_Q)
+TRANS64(PLD, do_ldst_PLS_D, false, false, MO_Q)
 
 /*
  * Fixed-Point Arithmetic Instructions
-- 
2.31.1


