mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/ppc: moved stxvx and lxvx from legacy to decodtree

Browse Source 
Moved stxvx and lxvx implementation from the legacy system to
decodetree.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.castro@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211104123719.323713-14-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Lucas Mateus Castro (alqotel) 2021-11-04 09:37:07 -03:00 committed by David Gibson
parent 72b70d5c3c
commit 70426b5bb7
3 changed files with 20 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
target/ppc/insn32.decode
View File

@ -103,6 +103,9 @@
@X_tbp_s_rc ...... ....0 s:1 .... ....0 .......... rc:1 &X_tb_s_rc rt=%x_frtp rb=%x_frbp
%x_rt_tsx 0:1 21:5
@X_TSX ...... ..... ra:5 rb:5 .......... . &X rt=%x_rt_tsx
&X_frtp_vrb frtp vrb
@X_frtp_vrb ...... ....0 ..... vrb:5 .......... . &X_frtp_vrb frtp=%x_frtp
@ -393,3 +396,5 @@ VSRDBI 000100 ..... ..... ..... 01 ... 010110 @VN
LXV 111101 ..... ..... ............ . 001 @DQ_TSX
STXV 111101 ..... ..... ............ . 101 @DQ_TSX
LXVX 011111 ..... ..... ..... 0100 - 01100 . @X_TSX
STXVX 011111 ..... ..... ..... 0110001100 . @X_TSX

121
target/ppc/translate/vsx-impl.c.inc
View File

@ -255,112 +255,6 @@ static void gen_lxvb16x(DisasContext *ctx)
tcg_temp_free_i64(xtl);
}
#define VSX_VECTOR_LOAD(name, op, indexed) \
static void gen_##name(DisasContext *ctx) \
{ \
int xt; \
TCGv EA; \
TCGv_i64 xth; \
TCGv_i64 xtl; \
\
if (indexed) { \
xt = xT(ctx->opcode); \
} else { \
xt = DQxT(ctx->opcode); \
} \
\
if (xt < 32) { \
if (unlikely(!ctx->vsx_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VSXU); \
return; \
} \
} else { \
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
} \
xth = tcg_temp_new_i64(); \
xtl = tcg_temp_new_i64(); \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
if (indexed) { \
gen_addr_reg_index(ctx, EA); \
} else { \
gen_addr_imm_index(ctx, EA, 0x0F); \
} \
if (ctx->le_mode) { \
tcg_gen_qemu_##op(xtl, EA, ctx->mem_idx, MO_LEQ); \
set_cpu_vsr(xt, xtl, false); \
tcg_gen_addi_tl(EA, EA, 8); \
tcg_gen_qemu_##op(xth, EA, ctx->mem_idx, MO_LEQ); \
set_cpu_vsr(xt, xth, true); \
} else { \
tcg_gen_qemu_##op(xth, EA, ctx->mem_idx, MO_BEQ); \
set_cpu_vsr(xt, xth, true); \
tcg_gen_addi_tl(EA, EA, 8); \
tcg_gen_qemu_##op(xtl, EA, ctx->mem_idx, MO_BEQ); \
set_cpu_vsr(xt, xtl, false); \
} \
tcg_temp_free(EA); \
tcg_temp_free_i64(xth); \
tcg_temp_free_i64(xtl); \
}
VSX_VECTOR_LOAD(lxvx, ld_i64, 1)
#define VSX_VECTOR_STORE(name, op, indexed) \
static void gen_##name(DisasContext *ctx) \
{ \
int xt; \
TCGv EA; \
TCGv_i64 xth; \
TCGv_i64 xtl; \
\
if (indexed) { \
xt = xT(ctx->opcode); \
} else { \
xt = DQxT(ctx->opcode); \
} \
\
if (xt < 32) { \
if (unlikely(!ctx->vsx_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VSXU); \
return; \
} \
} else { \
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
} \
xth = tcg_temp_new_i64(); \
xtl = tcg_temp_new_i64(); \
get_cpu_vsr(xth, xt, true); \
get_cpu_vsr(xtl, xt, false); \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
if (indexed) { \
gen_addr_reg_index(ctx, EA); \
} else { \
gen_addr_imm_index(ctx, EA, 0x0F); \
} \
if (ctx->le_mode) { \
tcg_gen_qemu_##op(xtl, EA, ctx->mem_idx, MO_LEQ); \
tcg_gen_addi_tl(EA, EA, 8); \
tcg_gen_qemu_##op(xth, EA, ctx->mem_idx, MO_LEQ); \
} else { \
tcg_gen_qemu_##op(xth, EA, ctx->mem_idx, MO_BEQ); \
tcg_gen_addi_tl(EA, EA, 8); \
tcg_gen_qemu_##op(xtl, EA, ctx->mem_idx, MO_BEQ); \
} \
tcg_temp_free(EA); \
tcg_temp_free_i64(xth); \
tcg_temp_free_i64(xtl); \
}
VSX_VECTOR_STORE(stxvx, st_i64, 1)
#ifdef TARGET_PPC64
#define VSX_VECTOR_LOAD_STORE_LENGTH(name) \
static void gen_##name(DisasContext *ctx) \
@ -2096,8 +1990,23 @@ static bool do_lstxv_D(DisasContext *ctx, arg_D *a, bool store)
return do_lstxv(ctx, a->ra, tcg_constant_tl(a->si), a->rt, store);
}
static bool do_lstxv_X(DisasContext *ctx, arg_X *a, bool store)
{
REQUIRE_INSNS_FLAGS2(ctx, ISA300);
if (a->rt >= 32) {
REQUIRE_VSX(ctx);
} else {
REQUIRE_VECTOR(ctx);
}
return do_lstxv(ctx, a->ra, cpu_gpr[a->rb], a->rt, store);
}
TRANS(STXV, do_lstxv_D, true)
TRANS(LXV, do_lstxv_D, false)
TRANS(STXVX, do_lstxv_X, true)
TRANS(LXVX, do_lstxv_X, false)
#undef GEN_XX2FORM
#undef GEN_XX3FORM

2
target/ppc/translate/vsx-ops.c.inc
View File

@ -10,7 +10,6 @@ GEN_HANDLER_E(lxvdsx, 0x1F, 0x0C, 0x0A, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(lxvw4x, 0x1F, 0x0C, 0x18, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(lxvh8x, 0x1F, 0x0C, 0x19, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(lxvb16x, 0x1F, 0x0C, 0x1B, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(lxvx, 0x1F, 0x0C, 0x08, 0x00000040, PPC_NONE, PPC2_ISA300),
#if defined(TARGET_PPC64)
GEN_HANDLER_E(lxvl, 0x1F, 0x0D, 0x08, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(lxvll, 0x1F, 0x0D, 0x09, 0, PPC_NONE, PPC2_ISA300),
@ -25,7 +24,6 @@ GEN_HANDLER_E(stxvd2x, 0x1F, 0xC, 0x1E, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(stxvw4x, 0x1F, 0xC, 0x1C, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(stxvh8x, 0x1F, 0x0C, 0x1D, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(stxvb16x, 0x1F, 0x0C, 0x1F, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(stxvx, 0x1F, 0x0C, 0x0C, 0, PPC_NONE, PPC2_ISA300),
#if defined(TARGET_PPC64)
GEN_HANDLER_E(stxvl, 0x1F, 0x0D, 0x0C, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(stxvll, 0x1F, 0x0D, 0x0D, 0, PPC_NONE, PPC2_ISA300),