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authorLucas Coutinho <lucas.coutinho@eldorado.org.br>2022-03-02 06:51:38 +0100
committerCédric Le Goater <clg@kaod.org>2022-03-02 06:51:38 +0100
commit604d00c76fdd7dfcaa2bf8515615ad129a4fdcc4 (patch)
tree1c1ce07f804b65486758b7ae35ffe06d36579252 /target/ppc
parent20e2d04e66cd69f6ffb1ca9509b51a7668953459 (diff)
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target/ppc: implement lxvr[bhwd]/stxvr[bhwd]x
Implement the following PowerISA v3.1 instuctions: lxvrbx: Load VSX Vector Rightmost Byte Indexed X-form lxvrhx: Load VSX Vector Rightmost Halfword Indexed X-form lxvrwx: Load VSX Vector Rightmost Word Indexed X-form lxvrdx: Load VSX Vector Rightmost Doubleword Indexed X-form stxvrbx: Store VSX Vector Rightmost Byte Indexed X-form stxvrhx: Store VSX Vector Rightmost Halfword Indexed X-form stxvrwx: Store VSX Vector Rightmost Word Indexed X-form stxvrdx: Store VSX Vector Rightmost Doubleword Indexed X-form Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220225210936.1749575-50-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target/ppc')
-rw-r--r--target/ppc/insn32.decode8
-rw-r--r--target/ppc/translate/vsx-impl.c.inc35
2 files changed, 43 insertions, 0 deletions
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 1641a31..ac2d3da 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -614,6 +614,14 @@ LXVX 011111 ..... ..... ..... 0100 - 01100 . @X_TSX
STXVX 011111 ..... ..... ..... 0110001100 . @X_TSX
LXVPX 011111 ..... ..... ..... 0101001101 - @X_TSXP
STXVPX 011111 ..... ..... ..... 0111001101 - @X_TSXP
+LXVRBX 011111 ..... ..... ..... 0000001101 . @X_TSX
+LXVRHX 011111 ..... ..... ..... 0000101101 . @X_TSX
+LXVRWX 011111 ..... ..... ..... 0001001101 . @X_TSX
+LXVRDX 011111 ..... ..... ..... 0001101101 . @X_TSX
+STXVRBX 011111 ..... ..... ..... 0010001101 . @X_TSX
+STXVRHX 011111 ..... ..... ..... 0010101101 . @X_TSX
+STXVRWX 011111 ..... ..... ..... 0011001101 . @X_TSX
+STXVRDX 011111 ..... ..... ..... 0011101101 . @X_TSX
## VSX Scalar Multiply-Add Instructions
diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc
index a980a79..2ffeab5 100644
--- a/target/ppc/translate/vsx-impl.c.inc
+++ b/target/ppc/translate/vsx-impl.c.inc
@@ -2363,6 +2363,41 @@ TRANS64_FLAGS2(ISA310, PLXV, do_lstxv_PLS_D, false, false)
TRANS64_FLAGS2(ISA310, PSTXVP, do_lstxv_PLS_D, true, true)
TRANS64_FLAGS2(ISA310, PLXVP, do_lstxv_PLS_D, false, true)
+static bool do_lstrm(DisasContext *ctx, arg_X *a, MemOp mop, bool store)
+{
+ TCGv ea;
+ TCGv_i64 xt;
+
+ REQUIRE_VSX(ctx);
+
+ xt = tcg_temp_new_i64();
+
+ gen_set_access_type(ctx, ACCESS_INT);
+ ea = do_ea_calc(ctx, a->ra , cpu_gpr[a->rb]);
+
+ if (store) {
+ get_cpu_vsr(xt, a->rt, false);
+ tcg_gen_qemu_st_i64(xt, ea, ctx->mem_idx, mop);
+ } else {
+ tcg_gen_qemu_ld_i64(xt, ea, ctx->mem_idx, mop);
+ set_cpu_vsr(a->rt, xt, false);
+ set_cpu_vsr(a->rt, tcg_constant_i64(0), true);
+ }
+
+ tcg_temp_free(ea);
+ tcg_temp_free_i64(xt);
+ return true;
+}
+
+TRANS_FLAGS2(ISA310, LXVRBX, do_lstrm, DEF_MEMOP(MO_UB), false)
+TRANS_FLAGS2(ISA310, LXVRHX, do_lstrm, DEF_MEMOP(MO_UW), false)
+TRANS_FLAGS2(ISA310, LXVRWX, do_lstrm, DEF_MEMOP(MO_UL), false)
+TRANS_FLAGS2(ISA310, LXVRDX, do_lstrm, DEF_MEMOP(MO_UQ), false)
+TRANS_FLAGS2(ISA310, STXVRBX, do_lstrm, DEF_MEMOP(MO_UB), true)
+TRANS_FLAGS2(ISA310, STXVRHX, do_lstrm, DEF_MEMOP(MO_UW), true)
+TRANS_FLAGS2(ISA310, STXVRWX, do_lstrm, DEF_MEMOP(MO_UL), true)
+TRANS_FLAGS2(ISA310, STXVRDX, do_lstrm, DEF_MEMOP(MO_UQ), true)
+
static void gen_xxeval_i64(TCGv_i64 t, TCGv_i64 a, TCGv_i64 b, TCGv_i64 c,
int64_t imm)
{