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target/ppc: Move dtstdc[q]/dtstdg[q] to decodetree 

Move the following instructions to decodetree:
dtstdc:  DFP Test Data Class
dtstdcq: DFP Test Data Class Quad
dtstdg:  DFP Test Data Group
dtstdgq: DFP Test Data Group Quad

Signed-off-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211029192417.400707-10-luis.pires@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Luis Pires 2021-10-29 16:24:11 -03:00 committed by David Gibson
parent 17fded9d96
commit 87bc8e52b1
5 changed files with 37 additions and 38 deletions
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8
target/ppc/dfp_helper.c
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@ -546,8 +546,8 @@ uint32_t helper_##op(CPUPPCState *env, ppc_fprp_t *a, uint32_t dcm) \
return dfp.crbf; \
}
DFP_HELPER_TSTDC(dtstdc, 64)
DFP_HELPER_TSTDC(dtstdcq, 128)
DFP_HELPER_TSTDC(DTSTDC, 64)
DFP_HELPER_TSTDC(DTSTDCQ, 128)
#define DFP_HELPER_TSTDG(op, size) \
uint32_t helper_##op(CPUPPCState *env, ppc_fprp_t *a, uint32_t dcm) \
@ -601,8 +601,8 @@ uint32_t helper_##op(CPUPPCState *env, ppc_fprp_t *a, uint32_t dcm) \
return dfp.crbf; \
}
DFP_HELPER_TSTDG(dtstdg, 64)
DFP_HELPER_TSTDG(dtstdgq, 128)
DFP_HELPER_TSTDG(DTSTDG, 64)
DFP_HELPER_TSTDG(DTSTDGQ, 128)
#define DFP_HELPER_TSTEX(op, size) \
uint32_t helper_##op(CPUPPCState *env, ppc_fprp_t *a, ppc_fprp_t *b) \

8
target/ppc/helper.h
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@ -710,10 +710,10 @@ DEF_HELPER_3(dcmpo, i32, env, fprp, fprp)
DEF_HELPER_3(dcmpoq, i32, env, fprp, fprp)
DEF_HELPER_3(dcmpu, i32, env, fprp, fprp)
DEF_HELPER_3(dcmpuq, i32, env, fprp, fprp)
DEF_HELPER_3(dtstdc, i32, env, fprp, i32)
DEF_HELPER_3(dtstdcq, i32, env, fprp, i32)
DEF_HELPER_3(dtstdg, i32, env, fprp, i32)
DEF_HELPER_3(dtstdgq, i32, env, fprp, i32)
DEF_HELPER_3(DTSTDC, i32, env, fprp, i32)
DEF_HELPER_3(DTSTDCQ, i32, env, fprp, i32)
DEF_HELPER_3(DTSTDG, i32, env, fprp, i32)
DEF_HELPER_3(DTSTDGQ, i32, env, fprp, i32)
DEF_HELPER_3(dtstex, i32, env, fprp, fprp)
DEF_HELPER_3(dtstexq, i32, env, fprp, fprp)
DEF_HELPER_3(dtstsf, i32, env, fprp, fprp)

14
target/ppc/insn32.decode
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@ -58,6 +58,12 @@
%x_frbp 12:4 !function=times_2
@X_vrt_frbp ...... vrt:5 ..... ....0 .......... . &X_vrt_frbp frbp=%x_frbp
&Z22_bf_fra bf fra dm
@Z22_bf_fra ...... bf:3 .. fra:5 dm:6 ......... . &Z22_bf_fra
%z22_frap 17:4 !function=times_2
@Z22_bf_frap ...... bf:3 .. ....0 dm:6 ......... . &Z22_bf_fra fra=%z22_frap
### Fixed-Point Load Instructions
LBZ 100010 ..... ..... ................ @D
@ -168,6 +174,14 @@ SETBCR 011111 ..... ..... ----- 0110100000 - @X_bi
SETNBC 011111 ..... ..... ----- 0111000000 - @X_bi
SETNBCR 011111 ..... ..... ----- 0111100000 - @X_bi
### Decimal Floating-Point Test Instructions
DTSTDC 111011 ... -- ..... ...... 011000010 - @Z22_bf_fra
DTSTDCQ 111111 ... -- ..... ...... 011000010 - @Z22_bf_frap
DTSTDG 111011 ... -- ..... ...... 011100010 - @Z22_bf_fra
DTSTDGQ 111111 ... -- ..... ...... 011100010 - @Z22_bf_frap
### Decimal Floating-Point Conversion Instructions
DCFFIXQQ 111111 ..... 00000 ..... 1111100010 - @X_frtp_vrb

35
target/ppc/translate/dfp-impl.c.inc
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@ -60,21 +60,17 @@ static void gen_##name(DisasContext *ctx) \
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; \
} \
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 TRANS_DFP_BF_A_DCM(NAME) \
static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
{ \
TCGv_ptr ra; \
REQUIRE_INSNS_FLAGS2(ctx, DFP); \
REQUIRE_FPU(ctx); \
ra = gen_fprp_ptr(a->fra); \
gen_helper_##NAME(cpu_crf[a->bf], \
cpu_env, ra, tcg_constant_i32(a->dm)); \
tcg_temp_free_ptr(ra); \
return true; \
}
#define GEN_DFP_T_B_U32_U32_Rc(name, u32f1, u32f2) \
@ -174,10 +170,10 @@ 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)
TRANS_DFP_BF_A_DCM(DTSTDC)
TRANS_DFP_BF_A_DCM(DTSTDCQ)
TRANS_DFP_BF_A_DCM(DTSTDG)
TRANS_DFP_BF_A_DCM(DTSTDGQ)
GEN_DFP_BF_A_B(dtstex)
GEN_DFP_BF_A_B(dtstexq)
GEN_DFP_BF_A_B(dtstsf)
@ -217,7 +213,6 @@ 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

10
target/ppc/translate/dfp-ops.c.inc
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@ -66,12 +66,6 @@ _GEN_DFP_QUAD(name, op1, op2, 0x00600801)
#define GEN_DFP_BF_A_Bp_300(name, op1, op2) \
_GEN_DFP_QUAD_300(name, op1, op2, 0x00400001)
#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)
@ -123,10 +117,6 @@ 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),