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-rw-r--r--target/ppc/helper.h2
-rw-r--r--target/ppc/int_helper.c18
-rw-r--r--target/ppc/translate/vmx-impl.inc.c121
3 files changed, 89 insertions, 52 deletions
diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 380c9b1e2a..121d7868d0 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -193,8 +193,6 @@ DEF_HELPER_2(vprtybw, void, avr, avr)
DEF_HELPER_2(vprtybd, void, avr, avr)
DEF_HELPER_2(vprtybq, void, avr, avr)
DEF_HELPER_3(vsubcuw, void, avr, avr, avr)
-DEF_HELPER_2(lvsl, void, avr, tl)
-DEF_HELPER_2(lvsr, void, avr, tl)
DEF_HELPER_FLAGS_5(vaddsbs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32)
DEF_HELPER_FLAGS_5(vaddshs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32)
DEF_HELPER_FLAGS_5(vaddsws, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32)
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index 8f037af956..5dcca5362b 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -459,24 +459,6 @@ SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX)
#undef SATCVT
#undef SATCVTU
-void helper_lvsl(ppc_avr_t *r, target_ulong sh)
-{
- int i, j = (sh & 0xf);
-
- for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
- r->VsrB(i) = j++;
- }
-}
-
-void helper_lvsr(ppc_avr_t *r, target_ulong sh)
-{
- int i, j = 0x10 - (sh & 0xf);
-
- for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
- r->VsrB(i) = j++;
- }
-}
-
void helper_mtvscr(CPUPPCState *env, uint32_t vscr)
{
env->vscr = vscr & ~(1u << VSCR_SAT);
diff --git a/target/ppc/translate/vmx-impl.inc.c b/target/ppc/translate/vmx-impl.inc.c
index 663275b729..a9fe3c7834 100644
--- a/target/ppc/translate/vmx-impl.inc.c
+++ b/target/ppc/translate/vmx-impl.inc.c
@@ -142,38 +142,6 @@ GEN_VR_STVE(bx, 0x07, 0x04, 1);
GEN_VR_STVE(hx, 0x07, 0x05, 2);
GEN_VR_STVE(wx, 0x07, 0x06, 4);
-static void gen_lvsl(DisasContext *ctx)
-{
- TCGv_ptr rd;
- TCGv EA;
- if (unlikely(!ctx->altivec_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_VPU);
- return;
- }
- EA = tcg_temp_new();
- gen_addr_reg_index(ctx, EA);
- rd = gen_avr_ptr(rD(ctx->opcode));
- gen_helper_lvsl(rd, EA);
- tcg_temp_free(EA);
- tcg_temp_free_ptr(rd);
-}
-
-static void gen_lvsr(DisasContext *ctx)
-{
- TCGv_ptr rd;
- TCGv EA;
- if (unlikely(!ctx->altivec_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_VPU);
- return;
- }
- EA = tcg_temp_new();
- gen_addr_reg_index(ctx, EA);
- rd = gen_avr_ptr(rD(ctx->opcode));
- gen_helper_lvsr(rd, EA);
- tcg_temp_free(EA);
- tcg_temp_free_ptr(rd);
-}
-
static void gen_mfvscr(DisasContext *ctx)
{
TCGv_i32 t;
@@ -316,6 +284,16 @@ static void glue(gen_, name)(DisasContext *ctx) \
tcg_temp_free_ptr(rd); \
}
+#define GEN_VXFORM_TRANS(name, opc2, opc3) \
+static void glue(gen_, name)(DisasContext *ctx) \
+{ \
+ if (unlikely(!ctx->altivec_enabled)) { \
+ gen_exception(ctx, POWERPC_EXCP_VPU); \
+ return; \
+ } \
+ trans_##name(ctx); \
+}
+
#define GEN_VXFORM_ENV(name, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \
{ \
@@ -515,6 +493,83 @@ static void gen_vmrgow(DisasContext *ctx)
tcg_temp_free_i64(avr);
}
+/*
+ * lvsl VRT,RA,RB - Load Vector for Shift Left
+ *
+ * Let the EA be the sum (rA|0)+(rB). Let sh=EA[28–31].
+ * Let X be the 32-byte value 0x00 || 0x01 || 0x02 || ... || 0x1E || 0x1F.
+ * Bytes sh:sh+15 of X are placed into vD.
+ */
+static void trans_lvsl(DisasContext *ctx)
+{
+ int VT = rD(ctx->opcode);
+ TCGv_i64 result = tcg_temp_new_i64();
+ TCGv_i64 sh = tcg_temp_new_i64();
+ TCGv EA = tcg_temp_new();
+
+ /* Get sh(from description) by anding EA with 0xf. */
+ gen_addr_reg_index(ctx, EA);
+ tcg_gen_extu_tl_i64(sh, EA);
+ tcg_gen_andi_i64(sh, sh, 0xfULL);
+
+ /*
+ * Create bytes sh:sh+7 of X(from description) and place them in
+ * higher doubleword of vD.
+ */
+ tcg_gen_muli_i64(sh, sh, 0x0101010101010101ULL);
+ tcg_gen_addi_i64(result, sh, 0x0001020304050607ull);
+ set_avr64(VT, result, true);
+ /*
+ * Create bytes sh+8:sh+15 of X(from description) and place them in
+ * lower doubleword of vD.
+ */
+ tcg_gen_addi_i64(result, sh, 0x08090a0b0c0d0e0fULL);
+ set_avr64(VT, result, false);
+
+ tcg_temp_free_i64(result);
+ tcg_temp_free_i64(sh);
+ tcg_temp_free(EA);
+}
+
+/*
+ * lvsr VRT,RA,RB - Load Vector for Shift Right
+ *
+ * Let the EA be the sum (rA|0)+(rB). Let sh=EA[28–31].
+ * Let X be the 32-byte value 0x00 || 0x01 || 0x02 || ... || 0x1E || 0x1F.
+ * Bytes (16-sh):(31-sh) of X are placed into vD.
+ */
+static void trans_lvsr(DisasContext *ctx)
+{
+ int VT = rD(ctx->opcode);
+ TCGv_i64 result = tcg_temp_new_i64();
+ TCGv_i64 sh = tcg_temp_new_i64();
+ TCGv EA = tcg_temp_new();
+
+
+ /* Get sh(from description) by anding EA with 0xf. */
+ gen_addr_reg_index(ctx, EA);
+ tcg_gen_extu_tl_i64(sh, EA);
+ tcg_gen_andi_i64(sh, sh, 0xfULL);
+
+ /*
+ * Create bytes (16-sh):(23-sh) of X(from description) and place them in
+ * higher doubleword of vD.
+ */
+ tcg_gen_muli_i64(sh, sh, 0x0101010101010101ULL);
+ tcg_gen_subfi_i64(result, 0x1011121314151617ULL, sh);
+ set_avr64(VT, result, true);
+ /*
+ * Create bytes (24-sh):(32-sh) of X(from description) and place them in
+ * lower doubleword of vD.
+ */
+ tcg_gen_subfi_i64(result, 0x18191a1b1c1d1e1fULL, sh);
+ set_avr64(VT, result, false);
+
+ tcg_temp_free_i64(result);
+ tcg_temp_free_i64(sh);
+ tcg_temp_free(EA);
+}
+
GEN_VXFORM(vmuloub, 4, 0);
GEN_VXFORM(vmulouh, 4, 1);
GEN_VXFORM(vmulouw, 4, 2);
@@ -662,6 +717,8 @@ GEN_VXFORM_DUAL(vmrgow, PPC_NONE, PPC2_ALTIVEC_207,
GEN_VXFORM_HETRO(vextubrx, 6, 28)
GEN_VXFORM_HETRO(vextuhrx, 6, 29)
GEN_VXFORM_HETRO(vextuwrx, 6, 30)
+GEN_VXFORM_TRANS(lvsl, 6, 31)
+GEN_VXFORM_TRANS(lvsr, 6, 32)
GEN_VXFORM_DUAL(vmrgew, PPC_NONE, PPC2_ALTIVEC_207, \
vextuwrx, PPC_NONE, PPC2_ISA300)
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-06 11:31:57 +0000