ppc: Move DFP ops out of translate.c

Makes things a bit more manageable

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

2 files changed, 363 insertions, 0 deletions

diff --git a/target-ppc/translate/dfp-impl.c b/target-ppc/translate/dfp-impl.c
new file mode 100644
index 0000000000..bf59951b1f
--- /dev/null
+++ b/target-ppc/translate/dfp-impl.c
@@ -0,0 +1,212 @@
+/*** Decimal Floating Point ***/
+
+static inline TCGv_ptr gen_fprp_ptr(int reg)
+{
+    TCGv_ptr r = tcg_temp_new_ptr();
+    tcg_gen_addi_ptr(r, cpu_env, offsetof(CPUPPCState, fpr[reg]));
+    return r;
+}
+
+#define GEN_DFP_T_A_B_Rc(name)                   \
+static void gen_##name(DisasContext *ctx)        \
+{                                                \
+    TCGv_ptr rd, ra, rb;                         \
+    if (unlikely(!ctx->fpu_enabled)) {           \
+        gen_exception(ctx, POWERPC_EXCP_FPU);    \
+        return;                                  \
+    }                                            \
+    gen_update_nip(ctx, ctx->nip - 4);           \
+    rd = gen_fprp_ptr(rD(ctx->opcode));          \
+    ra = gen_fprp_ptr(rA(ctx->opcode));          \
+    rb = gen_fprp_ptr(rB(ctx->opcode));          \
+    gen_helper_##name(cpu_env, rd, ra, rb);      \
+    if (unlikely(Rc(ctx->opcode) != 0)) {        \
+        gen_set_cr1_from_fpscr(ctx);             \
+    }                                            \
+    tcg_temp_free_ptr(rd);                       \
+    tcg_temp_free_ptr(ra);                       \
+    tcg_temp_free_ptr(rb);                       \
+}
+
+#define GEN_DFP_BF_A_B(name)                      \
+static void gen_##name(DisasContext *ctx)         \
+{                                                 \
+    TCGv_ptr ra, rb;                              \
+    if (unlikely(!ctx->fpu_enabled)) {            \
+        gen_exception(ctx, POWERPC_EXCP_FPU);     \
+        return;                                   \
+    }                                             \
+    gen_update_nip(ctx, ctx->nip - 4);            \
+    ra = gen_fprp_ptr(rA(ctx->opcode));           \
+    rb = gen_fprp_ptr(rB(ctx->opcode));           \
+    gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \
+                      cpu_env, ra, rb);           \
+    tcg_temp_free_ptr(ra);                        \
+    tcg_temp_free_ptr(rb);                        \
+}
+
+#define GEN_DFP_BF_A_DCM(name)                    \
+static void gen_##name(DisasContext *ctx)         \
+{                                                 \
+    TCGv_ptr ra;                                  \
+    TCGv_i32 dcm;                                 \
+    if (unlikely(!ctx->fpu_enabled)) {            \
+        gen_exception(ctx, POWERPC_EXCP_FPU);     \
+        return;                                   \
+    }                                             \
+    gen_update_nip(ctx, ctx->nip - 4);            \
+    ra = gen_fprp_ptr(rA(ctx->opcode));           \
+    dcm = tcg_const_i32(DCM(ctx->opcode));        \
+    gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \
+                      cpu_env, ra, dcm);          \
+    tcg_temp_free_ptr(ra);                        \
+    tcg_temp_free_i32(dcm);                       \
+}
+
+#define GEN_DFP_T_B_U32_U32_Rc(name, u32f1, u32f2)    \
+static void gen_##name(DisasContext *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->nip - 4);                \
+    rt = gen_fprp_ptr(rD(ctx->opcode));               \
+    rb = gen_fprp_ptr(rB(ctx->opcode));               \
+    u32_1 = tcg_const_i32(u32f1(ctx->opcode));        \
+    u32_2 = tcg_const_i32(u32f2(ctx->opcode));        \
+    gen_helper_##name(cpu_env, rt, rb, u32_1, u32_2); \
+    if (unlikely(Rc(ctx->opcode) != 0)) {             \
+        gen_set_cr1_from_fpscr(ctx);                  \
+    }                                                 \
+    tcg_temp_free_ptr(rt);                            \
+    tcg_temp_free_ptr(rb);                            \
+    tcg_temp_free_i32(u32_1);                         \
+    tcg_temp_free_i32(u32_2);                         \
+}
+
+#define GEN_DFP_T_A_B_I32_Rc(name, i32fld)       \
+static void gen_##name(DisasContext *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->nip - 4);           \
+    rt = gen_fprp_ptr(rD(ctx->opcode));          \
+    ra = gen_fprp_ptr(rA(ctx->opcode));          \
+    rb = gen_fprp_ptr(rB(ctx->opcode));          \
+    i32 = tcg_const_i32(i32fld(ctx->opcode));    \
+    gen_helper_##name(cpu_env, rt, ra, rb, i32); \
+    if (unlikely(Rc(ctx->opcode) != 0)) {        \
+        gen_set_cr1_from_fpscr(ctx);             \
+    }                                            \
+    tcg_temp_free_ptr(rt);                       \
+    tcg_temp_free_ptr(rb);                       \
+    tcg_temp_free_ptr(ra);                       \
+    tcg_temp_free_i32(i32);                      \
+    }
+
+#define GEN_DFP_T_B_Rc(name)                     \
+static void gen_##name(DisasContext *ctx)        \
+{                                                \
+    TCGv_ptr rt, rb;                             \
+    if (unlikely(!ctx->fpu_enabled)) {           \
+        gen_exception(ctx, POWERPC_EXCP_FPU);    \
+        return;                                  \
+    }                                            \
+    gen_update_nip(ctx, ctx->nip - 4);           \
+    rt = gen_fprp_ptr(rD(ctx->opcode));          \
+    rb = gen_fprp_ptr(rB(ctx->opcode));          \
+    gen_helper_##name(cpu_env, rt, rb);          \
+    if (unlikely(Rc(ctx->opcode) != 0)) {        \
+        gen_set_cr1_from_fpscr(ctx);             \
+    }                                            \
+    tcg_temp_free_ptr(rt);                       \
+    tcg_temp_free_ptr(rb);                       \
+    }
+
+#define GEN_DFP_T_FPR_I32_Rc(name, fprfld, i32fld) \
+static void gen_##name(DisasContext *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->nip - 4);             \
+    rt = gen_fprp_ptr(rD(ctx->opcode));            \
+    rs = gen_fprp_ptr(fprfld(ctx->opcode));        \
+    i32 = tcg_const_i32(i32fld(ctx->opcode));      \
+    gen_helper_##name(cpu_env, rt, rs, i32);       \
+    if (unlikely(Rc(ctx->opcode) != 0)) {          \
+        gen_set_cr1_from_fpscr(ctx);               \
+    }                                              \
+    tcg_temp_free_ptr(rt);                         \
+    tcg_temp_free_ptr(rs);                         \
+    tcg_temp_free_i32(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_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
diff --git a/target-ppc/translate/dfp-ops.c b/target-ppc/translate/dfp-ops.c
new file mode 100644
index 0000000000..7f27d0f286
--- /dev/null
+++ b/target-ppc/translate/dfp-ops.c
@@ -0,0 +1,151 @@
+#define _GEN_DFP_LONG(name, op1, op2, mask) \
+GEN_HANDLER_E(name, 0x3B, op1, op2, mask, PPC_NONE, PPC2_DFP)
+
+#define _GEN_DFP_LONGx2(name, op1, op2, mask) \
+GEN_HANDLER_E(name, 0x3B, op1, 0x00 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3B, op1, 0x10 | op2, mask, PPC_NONE, PPC2_DFP)
+
+#define _GEN_DFP_LONGx4(name, op1, op2, mask) \
+GEN_HANDLER_E(name, 0x3B, op1, 0x00 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3B, op1, 0x08 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3B, op1, 0x10 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3B, op1, 0x18 | op2, mask, PPC_NONE, PPC2_DFP)
+
+#define _GEN_DFP_QUAD(name, op1, op2, mask) \
+GEN_HANDLER_E(name, 0x3F, op1, op2, mask, PPC_NONE, PPC2_DFP)
+
+#define _GEN_DFP_QUADx2(name, op1, op2, mask) \
+GEN_HANDLER_E(name, 0x3F, op1, 0x00 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3F, op1, 0x10 | op2, mask, PPC_NONE, PPC2_DFP)
+
+#define _GEN_DFP_QUADx4(name, op1, op2, mask)                         \
+GEN_HANDLER_E(name, 0x3F, op1, 0x00 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3F, op1, 0x08 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3F, op1, 0x10 | op2, mask, PPC_NONE, PPC2_DFP), \
+GEN_HANDLER_E(name, 0x3F, op1, 0x18 | op2, mask, PPC_NONE, PPC2_DFP)
+
+#define GEN_DFP_T_A_B_Rc(name, op1, op2) \
+_GEN_DFP_LONG(name, op1, op2, 0x00000000)
+
+#define GEN_DFP_Tp_Ap_Bp_Rc(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x00210800)
+
+#define GEN_DFP_Tp_A_Bp_Rc(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x00200800)
+
+#define GEN_DFP_T_B_Rc(name, op1, op2) \
+_GEN_DFP_LONG(name, op1, op2, 0x001F0000)
+
+#define GEN_DFP_Tp_Bp_Rc(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x003F0800)
+
+#define GEN_DFP_Tp_B_Rc(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x003F0000)
+
+#define GEN_DFP_T_Bp_Rc(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x001F0800)
+
+#define GEN_DFP_BF_A_B(name, op1, op2) \
+_GEN_DFP_LONG(name, op1, op2, 0x00000001)
+
+#define GEN_DFP_BF_Ap_Bp(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x00610801)
+
+#define GEN_DFP_BF_A_Bp(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x00600801)
+
+#define GEN_DFP_BF_A_DCM(name, op1, op2) \
+_GEN_DFP_LONGx2(name, op1, op2, 0x00600001)
+
+#define GEN_DFP_BF_Ap_DCM(name, op1, op2) \
+_GEN_DFP_QUADx2(name, op1, op2, 0x00610001)
+
+#define GEN_DFP_T_A_B_RMC_Rc(name, op1, op2) \
+_GEN_DFP_LONGx4(name, op1, op2, 0x00000000)
+
+#define GEN_DFP_Tp_Ap_Bp_RMC_Rc(name, op1, op2) \
+_GEN_DFP_QUADx4(name, op1, op2, 0x02010800)
+
+#define GEN_DFP_Tp_A_Bp_RMC_Rc(name, op1, op2) \
+_GEN_DFP_QUADx4(name, op1, op2, 0x02000800)
+
+#define GEN_DFP_TE_T_B_RMC_Rc(name, op1, op2) \
+_GEN_DFP_LONGx4(name, op1, op2, 0x00000000)
+
+#define GEN_DFP_TE_Tp_Bp_RMC_Rc(name, op1, op2) \
+_GEN_DFP_QUADx4(name, op1, op2, 0x00200800)
+
+#define GEN_DFP_R_T_B_RMC_Rc(name, op1, op2) \
+_GEN_DFP_LONGx4(name, op1, op2, 0x001E0000)
+
+#define GEN_DFP_R_Tp_Bp_RMC_Rc(name, op1, op2) \
+_GEN_DFP_QUADx4(name, op1, op2, 0x003E0800)
+
+#define GEN_DFP_SP_T_B_Rc(name, op1, op2) \
+_GEN_DFP_LONG(name, op1, op2, 0x00070000)
+
+#define GEN_DFP_SP_Tp_Bp_Rc(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x00270800)
+
+#define GEN_DFP_S_T_B_Rc(name, op1, op2) \
+_GEN_DFP_LONG(name, op1, op2, 0x000F0000)
+
+#define GEN_DFP_S_Tp_Bp_Rc(name, op1, op2) \
+_GEN_DFP_QUAD(name, op1, op2, 0x002F0800)
+
+#define GEN_DFP_T_A_SH_Rc(name, op1, op2) \
+_GEN_DFP_LONGx2(name, op1, op2, 0x00000000)
+
+#define GEN_DFP_Tp_Ap_SH_Rc(name, op1, op2) \
+_GEN_DFP_QUADx2(name, op1, op2, 0x00210000)
+
+GEN_DFP_T_A_B_Rc(dadd, 0x02, 0x00),
+GEN_DFP_Tp_Ap_Bp_Rc(daddq, 0x02, 0x00),
+GEN_DFP_T_A_B_Rc(dsub, 0x02, 0x10),
+GEN_DFP_Tp_Ap_Bp_Rc(dsubq, 0x02, 0x10),
+GEN_DFP_T_A_B_Rc(dmul, 0x02, 0x01),
+GEN_DFP_Tp_Ap_Bp_Rc(dmulq, 0x02, 0x01),
+GEN_DFP_T_A_B_Rc(ddiv, 0x02, 0x11),
+GEN_DFP_Tp_Ap_Bp_Rc(ddivq, 0x02, 0x11),
+GEN_DFP_BF_A_B(dcmpu, 0x02, 0x14),
+GEN_DFP_BF_Ap_Bp(dcmpuq, 0x02, 0x14),
+GEN_DFP_BF_A_B(dcmpo, 0x02, 0x04),
+GEN_DFP_BF_Ap_Bp(dcmpoq, 0x02, 0x04),
+GEN_DFP_BF_A_DCM(dtstdc, 0x02, 0x06),
+GEN_DFP_BF_Ap_DCM(dtstdcq, 0x02, 0x06),
+GEN_DFP_BF_A_DCM(dtstdg, 0x02, 0x07),
+GEN_DFP_BF_Ap_DCM(dtstdgq, 0x02, 0x07),
+GEN_DFP_BF_A_B(dtstex, 0x02, 0x05),
+GEN_DFP_BF_Ap_Bp(dtstexq, 0x02, 0x05),
+GEN_DFP_BF_A_B(dtstsf, 0x02, 0x15),
+GEN_DFP_BF_A_Bp(dtstsfq, 0x02, 0x15),
+GEN_DFP_TE_T_B_RMC_Rc(dquai, 0x03, 0x02),
+GEN_DFP_TE_Tp_Bp_RMC_Rc(dquaiq, 0x03, 0x02),
+GEN_DFP_T_A_B_RMC_Rc(dqua, 0x03, 0x00),
+GEN_DFP_Tp_Ap_Bp_RMC_Rc(dquaq, 0x03, 0x00),
+GEN_DFP_T_A_B_RMC_Rc(drrnd, 0x03, 0x01),
+GEN_DFP_Tp_A_Bp_RMC_Rc(drrndq, 0x03, 0x01),
+GEN_DFP_R_T_B_RMC_Rc(drintx, 0x03, 0x03),
+GEN_DFP_R_Tp_Bp_RMC_Rc(drintxq, 0x03, 0x03),
+GEN_DFP_R_T_B_RMC_Rc(drintn, 0x03, 0x07),
+GEN_DFP_R_Tp_Bp_RMC_Rc(drintnq, 0x03, 0x07),
+GEN_DFP_T_B_Rc(dctdp, 0x02, 0x08),
+GEN_DFP_Tp_B_Rc(dctqpq, 0x02, 0x08),
+GEN_DFP_T_B_Rc(drsp, 0x02, 0x18),
+GEN_DFP_Tp_Bp_Rc(drdpq, 0x02, 0x18),
+GEN_DFP_T_B_Rc(dcffix, 0x02, 0x19),
+GEN_DFP_Tp_B_Rc(dcffixq, 0x02, 0x19),
+GEN_DFP_T_B_Rc(dctfix, 0x02, 0x09),
+GEN_DFP_T_Bp_Rc(dctfixq, 0x02, 0x09),
+GEN_DFP_SP_T_B_Rc(ddedpd, 0x02, 0x0a),
+GEN_DFP_SP_Tp_Bp_Rc(ddedpdq, 0x02, 0x0a),
+GEN_DFP_S_T_B_Rc(denbcd, 0x02, 0x1a),
+GEN_DFP_S_Tp_Bp_Rc(denbcdq, 0x02, 0x1a),
+GEN_DFP_T_B_Rc(dxex, 0x02, 0x0b),
+GEN_DFP_T_Bp_Rc(dxexq, 0x02, 0x0b),
+GEN_DFP_T_A_B_Rc(diex, 0x02, 0x1b),
+GEN_DFP_Tp_A_Bp_Rc(diexq, 0x02, 0x1b),
+GEN_DFP_T_A_SH_Rc(dscli, 0x02, 0x02),
+GEN_DFP_Tp_Ap_SH_Rc(dscliq, 0x02, 0x02),
+GEN_DFP_T_A_SH_Rc(dscri, 0x02, 0x03),
+GEN_DFP_Tp_Ap_SH_Rc(dscriq, 0x02, 0x03),