Files
unicorn/qemu/target/ppc/translate/dfp-impl.inc.c
Nguyen Anh Quynh aaaea14214 import Unicorn2
2021-10-03 22:14:44 +08:00

241 lines
10 KiB
C

/*** Decimal Floating Point ***/
static inline TCGv_ptr gen_fprp_ptr(TCGContext *tcg_ctx, int reg)
{
TCGv_ptr r = tcg_temp_new_ptr(tcg_ctx);
tcg_gen_addi_ptr(tcg_ctx, r, tcg_ctx->cpu_env, offsetof(CPUPPCState, vsr[reg].u64[0]));
return r;
}
#define GEN_DFP_T_A_B_Rc(name) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_ptr rd, ra, rb; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
rd = gen_fprp_ptr(tcg_ctx, rD(ctx->opcode)); \
ra = gen_fprp_ptr(tcg_ctx, rA(ctx->opcode)); \
rb = gen_fprp_ptr(tcg_ctx, rB(ctx->opcode)); \
gen_helper_##name(tcg_ctx, tcg_ctx->cpu_env, rd, ra, rb); \
if (unlikely(Rc(ctx->opcode) != 0)) { \
gen_set_cr1_from_fpscr(ctx); \
} \
tcg_temp_free_ptr(tcg_ctx, rd); \
tcg_temp_free_ptr(tcg_ctx, ra); \
tcg_temp_free_ptr(tcg_ctx, rb); \
}
#define GEN_DFP_BF_A_B(name) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_ptr ra, rb; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
ra = gen_fprp_ptr(tcg_ctx, rA(ctx->opcode)); \
rb = gen_fprp_ptr(tcg_ctx, rB(ctx->opcode)); \
gen_helper_##name(tcg_ctx, cpu_crf[crfD(ctx->opcode)], \
tcg_ctx->cpu_env, ra, rb); \
tcg_temp_free_ptr(tcg_ctx, ra); \
tcg_temp_free_ptr(tcg_ctx, rb); \
}
#define GEN_DFP_BF_I_B(name) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_i32 uim; \
TCGv_ptr rb; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
uim = tcg_const_i32(tcg_ctx, UIMM5(ctx->opcode)); \
rb = gen_fprp_ptr(tcg_ctx, rB(ctx->opcode)); \
gen_helper_##name(tcg_ctx, cpu_crf[crfD(ctx->opcode)], \
tcg_ctx->cpu_env, uim, rb); \
tcg_temp_free_i32(tcg_ctx, uim); \
tcg_temp_free_ptr(tcg_ctx, rb); \
}
#define GEN_DFP_BF_A_DCM(name) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_ptr ra; \
TCGv_i32 dcm; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
ra = gen_fprp_ptr(tcg_ctx, rA(ctx->opcode)); \
dcm = tcg_const_i32(tcg_ctx, DCM(ctx->opcode)); \
gen_helper_##name(tcg_ctx, cpu_crf[crfD(ctx->opcode)], \
tcg_ctx->cpu_env, ra, dcm); \
tcg_temp_free_ptr(tcg_ctx, ra); \
tcg_temp_free_i32(tcg_ctx, dcm); \
}
#define GEN_DFP_T_B_U32_U32_Rc(name, u32f1, u32f2) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_ptr rt, rb; \
TCGv_i32 u32_1, u32_2; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
rt = gen_fprp_ptr(tcg_ctx, rD(ctx->opcode)); \
rb = gen_fprp_ptr(tcg_ctx, rB(ctx->opcode)); \
u32_1 = tcg_const_i32(tcg_ctx, u32f1(ctx->opcode)); \
u32_2 = tcg_const_i32(tcg_ctx, u32f2(ctx->opcode)); \
gen_helper_##name(tcg_ctx, tcg_ctx->cpu_env, rt, rb, u32_1, u32_2); \
if (unlikely(Rc(ctx->opcode) != 0)) { \
gen_set_cr1_from_fpscr(ctx); \
} \
tcg_temp_free_ptr(tcg_ctx, rt); \
tcg_temp_free_ptr(tcg_ctx, rb); \
tcg_temp_free_i32(tcg_ctx, u32_1); \
tcg_temp_free_i32(tcg_ctx, u32_2); \
}
#define GEN_DFP_T_A_B_I32_Rc(name, i32fld) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_ptr rt, ra, rb; \
TCGv_i32 i32; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
rt = gen_fprp_ptr(tcg_ctx, rD(ctx->opcode)); \
ra = gen_fprp_ptr(tcg_ctx, rA(ctx->opcode)); \
rb = gen_fprp_ptr(tcg_ctx, rB(ctx->opcode)); \
i32 = tcg_const_i32(tcg_ctx, i32fld(ctx->opcode)); \
gen_helper_##name(tcg_ctx, tcg_ctx->cpu_env, rt, ra, rb, i32); \
if (unlikely(Rc(ctx->opcode) != 0)) { \
gen_set_cr1_from_fpscr(ctx); \
} \
tcg_temp_free_ptr(tcg_ctx, rt); \
tcg_temp_free_ptr(tcg_ctx, rb); \
tcg_temp_free_ptr(tcg_ctx, ra); \
tcg_temp_free_i32(tcg_ctx, i32); \
}
#define GEN_DFP_T_B_Rc(name) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_ptr rt, rb; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
rt = gen_fprp_ptr(tcg_ctx, rD(ctx->opcode)); \
rb = gen_fprp_ptr(tcg_ctx, rB(ctx->opcode)); \
gen_helper_##name(tcg_ctx, tcg_ctx->cpu_env, rt, rb); \
if (unlikely(Rc(ctx->opcode) != 0)) { \
gen_set_cr1_from_fpscr(ctx); \
} \
tcg_temp_free_ptr(tcg_ctx, rt); \
tcg_temp_free_ptr(tcg_ctx, rb); \
}
#define GEN_DFP_T_FPR_I32_Rc(name, fprfld, i32fld) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGContext *tcg_ctx = ctx->uc->tcg_ctx; \
TCGv_ptr rt, rs; \
TCGv_i32 i32; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_update_nip(ctx, ctx->base.pc_next - 4); \
rt = gen_fprp_ptr(tcg_ctx, rD(ctx->opcode)); \
rs = gen_fprp_ptr(tcg_ctx, fprfld(ctx->opcode)); \
i32 = tcg_const_i32(tcg_ctx, i32fld(ctx->opcode)); \
gen_helper_##name(tcg_ctx, tcg_ctx->cpu_env, rt, rs, i32); \
if (unlikely(Rc(ctx->opcode) != 0)) { \
gen_set_cr1_from_fpscr(ctx); \
} \
tcg_temp_free_ptr(tcg_ctx, rt); \
tcg_temp_free_ptr(tcg_ctx, rs); \
tcg_temp_free_i32(tcg_ctx, i32); \
}
GEN_DFP_T_A_B_Rc(dadd)
GEN_DFP_T_A_B_Rc(daddq)
GEN_DFP_T_A_B_Rc(dsub)
GEN_DFP_T_A_B_Rc(dsubq)
GEN_DFP_T_A_B_Rc(dmul)
GEN_DFP_T_A_B_Rc(dmulq)
GEN_DFP_T_A_B_Rc(ddiv)
GEN_DFP_T_A_B_Rc(ddivq)
GEN_DFP_BF_A_B(dcmpu)
GEN_DFP_BF_A_B(dcmpuq)
GEN_DFP_BF_A_B(dcmpo)
GEN_DFP_BF_A_B(dcmpoq)
GEN_DFP_BF_A_DCM(dtstdc)
GEN_DFP_BF_A_DCM(dtstdcq)
GEN_DFP_BF_A_DCM(dtstdg)
GEN_DFP_BF_A_DCM(dtstdgq)
GEN_DFP_BF_A_B(dtstex)
GEN_DFP_BF_A_B(dtstexq)
GEN_DFP_BF_A_B(dtstsf)
GEN_DFP_BF_A_B(dtstsfq)
GEN_DFP_BF_I_B(dtstsfi)
GEN_DFP_BF_I_B(dtstsfiq)
GEN_DFP_T_B_U32_U32_Rc(dquai, SIMM5, RMC)
GEN_DFP_T_B_U32_U32_Rc(dquaiq, SIMM5, RMC)
GEN_DFP_T_A_B_I32_Rc(dqua, RMC)
GEN_DFP_T_A_B_I32_Rc(dquaq, RMC)
GEN_DFP_T_A_B_I32_Rc(drrnd, RMC)
GEN_DFP_T_A_B_I32_Rc(drrndq, RMC)
GEN_DFP_T_B_U32_U32_Rc(drintx, FPW, RMC)
GEN_DFP_T_B_U32_U32_Rc(drintxq, FPW, RMC)
GEN_DFP_T_B_U32_U32_Rc(drintn, FPW, RMC)
GEN_DFP_T_B_U32_U32_Rc(drintnq, FPW, RMC)
GEN_DFP_T_B_Rc(dctdp)
GEN_DFP_T_B_Rc(dctqpq)
GEN_DFP_T_B_Rc(drsp)
GEN_DFP_T_B_Rc(drdpq)
GEN_DFP_T_B_Rc(dcffix)
GEN_DFP_T_B_Rc(dcffixq)
GEN_DFP_T_B_Rc(dctfix)
GEN_DFP_T_B_Rc(dctfixq)
GEN_DFP_T_FPR_I32_Rc(ddedpd, rB, SP)
GEN_DFP_T_FPR_I32_Rc(ddedpdq, rB, SP)
GEN_DFP_T_FPR_I32_Rc(denbcd, rB, SP)
GEN_DFP_T_FPR_I32_Rc(denbcdq, rB, SP)
GEN_DFP_T_B_Rc(dxex)
GEN_DFP_T_B_Rc(dxexq)
GEN_DFP_T_A_B_Rc(diex)
GEN_DFP_T_A_B_Rc(diexq)
GEN_DFP_T_FPR_I32_Rc(dscli, rA, DCM)
GEN_DFP_T_FPR_I32_Rc(dscliq, rA, DCM)
GEN_DFP_T_FPR_I32_Rc(dscri, rA, DCM)
GEN_DFP_T_FPR_I32_Rc(dscriq, rA, DCM)
#undef GEN_DFP_T_A_B_Rc
#undef GEN_DFP_BF_A_B
#undef GEN_DFP_BF_A_DCM
#undef GEN_DFP_T_B_U32_U32_Rc
#undef GEN_DFP_T_A_B_I32_Rc
#undef GEN_DFP_T_B_Rc
#undef GEN_DFP_T_FPR_I32_Rc