[PULL 04/54] target/ppc: Implement PLFS, PLFD, PSTFS and PSTFD instructions

[David Gibson]

From: Fernando Eckhardt Valle <phervalle@gmail.com>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Fernando Eckhardt Valle <fernando.valle@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211029202424.175401-5-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 target/ppc/insn64.decode           | 11 +++++++++++
 target/ppc/translate/fp-impl.c.inc | 14 ++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode
index 72c5944a53..11e5ea81d6 100644
--- a/target/ppc/insn64.decode
+++ b/target/ppc/insn64.decode
@@ -56,6 +56,17 @@ PSTD            000001 00 0--.-- .................. \
 PADDI           000001 10 0--.-- ..................     \
                 001110 ..... ..... ................     @PLS_D
 
+### Float-Point Load and Store Instructions
+
+PLFS            000001 10 0--.-- .................. \
+                110000 ..... ..... ................     @PLS_D
+PLFD            000001 10 0--.-- .................. \
+                110010 ..... ..... ................     @PLS_D
+PSTFS           000001 10 0--.-- .................. \
+                110100 ..... ..... ................     @PLS_D
+PSTFD           000001 10 0--.-- .................. \
+                110110 ..... ..... ................     @PLS_D
+
 ### Prefixed No-operation Instruction
 
 @PNOP           000001 11 0000-- 000000000000000000     \
diff --git a/target/ppc/translate/fp-impl.c.inc 
b/target/ppc/translate/fp-impl.c.inc
index 57a799db1c..d1dbb1b96b 100644
--- a/target/ppc/translate/fp-impl.c.inc
+++ b/target/ppc/translate/fp-impl.c.inc
@@ -1342,6 +1342,16 @@ static bool do_lsfp_D(DisasContext *ctx, arg_D *a, bool 
update, bool store,
                      single);
 }
 
+static bool do_lsfp_PLS_D(DisasContext *ctx, arg_PLS_D *a, bool update,
+                          bool store, bool single)
+{
+    arg_D d;
+    if (!resolve_PLS_D(ctx, &d, a)) {
+        return true;
+    }
+    return do_lsfp_D(ctx, &d, update, store, single);
+}
+
 static bool do_lsfp_X(DisasContext *ctx, arg_X *a, bool update,
                       bool store, bool single)
 {
@@ -1352,21 +1362,25 @@ TRANS(LFS, do_lsfp_D, false, false, true)
 TRANS(LFSU, do_lsfp_D, true, false, true)
 TRANS(LFSX, do_lsfp_X, false, false, true)
 TRANS(LFSUX, do_lsfp_X, true, false, true)
+TRANS(PLFS, do_lsfp_PLS_D, false, false, true)
 
 TRANS(LFD, do_lsfp_D, false, false, false)
 TRANS(LFDU, do_lsfp_D, true, false, false)
 TRANS(LFDX, do_lsfp_X, false, false, false)
 TRANS(LFDUX, do_lsfp_X, true, false, false)
+TRANS(PLFD, do_lsfp_PLS_D, false, false, false)
 
 TRANS(STFS, do_lsfp_D, false, true, true)
 TRANS(STFSU, do_lsfp_D, true, true, true)
 TRANS(STFSX, do_lsfp_X, false, true, true)
 TRANS(STFSUX, do_lsfp_X, true, true, true)
+TRANS(PSTFS, do_lsfp_PLS_D, false, true, true)
 
 TRANS(STFD, do_lsfp_D, false, true, false)
 TRANS(STFDU, do_lsfp_D, true, true, false)
 TRANS(STFDX, do_lsfp_X, false, true, false)
 TRANS(STFDUX, do_lsfp_X, true, true, false)
+TRANS(PSTFD, do_lsfp_PLS_D, false, true, false)
 
 #undef _GEN_FLOAT_ACB
 #undef GEN_FLOAT_ACB
-- 
2.33.1