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[PULL 24/54] target/ppc: Move dct{dp, qpq}, dr{sp, dpq}, dc{f, t}fix[q],
From: |
David Gibson |
Subject: |
[PULL 24/54] target/ppc: Move dct{dp, qpq}, dr{sp, dpq}, dc{f, t}fix[q], dxex[q] to decodetree |
Date: |
Tue, 9 Nov 2021 16:51:34 +1100 |
From: Luis Pires <luis.pires@eldorado.org.br>
Move the following instructions to decodetree:
dctdp: DFP Convert To DFP Long
dctqpq: DFP Convert To DFP Extended
drsp: DFP Round To DFP Short
drdpq: DFP Round To DFP Long
dcffix: DFP Convert From Fixed
dcffixq: DFP Convert From Fixed Quad
dctfix: DFP Convert To Fixed
dctfixq: DFP Convert To Fixed Quad
dxex: DFP Extract Biased Exponent
dxexq: DFP Extract Biased Exponent 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: <20211029192417.400707-15-luis.pires@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
target/ppc/dfp_helper.c | 20 +++++------
target/ppc/helper.h | 20 +++++------
target/ppc/insn32.decode | 23 ++++++++++++
target/ppc/translate/dfp-impl.c.inc | 54 ++++++++++++++---------------
target/ppc/translate/dfp-ops.c.inc | 22 ------------
5 files changed, 69 insertions(+), 70 deletions(-)
diff --git a/target/ppc/dfp_helper.c b/target/ppc/dfp_helper.c
index a50a73d3c0..d950d0d3fc 100644
--- a/target/ppc/dfp_helper.c
+++ b/target/ppc/dfp_helper.c
@@ -885,7 +885,7 @@ static void RINTN_PPs(struct PPC_DFP *dfp)
DFP_HELPER_RINT(DRINTN, RINTN_PPs, 64)
DFP_HELPER_RINT(DRINTNQ, RINTN_PPs, 128)
-void helper_dctdp(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
+void helper_DCTDP(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
{
struct PPC_DFP dfp;
ppc_vsr_t vb;
@@ -901,7 +901,7 @@ void helper_dctdp(CPUPPCState *env, ppc_fprp_t *t,
ppc_fprp_t *b)
dfp_set_FPRF_from_FRT(&dfp);
}
-void helper_dctqpq(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
+void helper_DCTQPQ(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
{
struct PPC_DFP dfp;
ppc_vsr_t vb;
@@ -916,7 +916,7 @@ void helper_dctqpq(CPUPPCState *env, ppc_fprp_t *t,
ppc_fprp_t *b)
set_dfp128(t, &dfp.vt);
}
-void helper_drsp(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
+void helper_DRSP(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
{
struct PPC_DFP dfp;
uint32_t t_short = 0;
@@ -934,7 +934,7 @@ void helper_drsp(CPUPPCState *env, ppc_fprp_t *t,
ppc_fprp_t *b)
set_dfp64(t, &vt);
}
-void helper_drdpq(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
+void helper_DRDPQ(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b)
{
struct PPC_DFP dfp;
dfp_prepare_decimal128(&dfp, 0, b, env);
@@ -972,8 +972,8 @@ static void CFFIX_PPs(struct PPC_DFP *dfp)
dfp_check_for_XX(dfp);
}
-DFP_HELPER_CFFIX(dcffix, 64)
-DFP_HELPER_CFFIX(dcffixq, 128)
+DFP_HELPER_CFFIX(DCFFIX, 64)
+DFP_HELPER_CFFIX(DCFFIXQ, 128)
void helper_DCFFIXQQ(CPUPPCState *env, ppc_fprp_t *t, ppc_avr_t *b)
{
@@ -1022,8 +1022,8 @@ void helper_##op(CPUPPCState *env, ppc_fprp_t *t,
ppc_fprp_t *b) \
set_dfp64(t, &dfp.vt); \
}
-DFP_HELPER_CTFIX(dctfix, 64)
-DFP_HELPER_CTFIX(dctfixq, 128)
+DFP_HELPER_CTFIX(DCTFIX, 64)
+DFP_HELPER_CTFIX(DCTFIXQ, 128)
void helper_DCTFIXQQ(CPUPPCState *env, ppc_avr_t *t, ppc_fprp_t *b)
{
@@ -1233,8 +1233,8 @@ void helper_##op(CPUPPCState *env, ppc_fprp_t *t,
ppc_fprp_t *b) \
} \
}
-DFP_HELPER_XEX(dxex, 64)
-DFP_HELPER_XEX(dxexq, 128)
+DFP_HELPER_XEX(DXEX, 64)
+DFP_HELPER_XEX(DXEXQ, 128)
static void dfp_set_raw_exp_64(ppc_vsr_t *t, uint64_t raw)
{
diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 70aebdfeff..b302928a78 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -730,22 +730,22 @@ DEF_HELPER_5(DRINTX, void, env, fprp, fprp, i32, i32)
DEF_HELPER_5(DRINTXQ, void, env, fprp, fprp, i32, i32)
DEF_HELPER_5(DRINTN, void, env, fprp, fprp, i32, i32)
DEF_HELPER_5(DRINTNQ, void, env, fprp, fprp, i32, i32)
-DEF_HELPER_3(dctdp, void, env, fprp, fprp)
-DEF_HELPER_3(dctqpq, void, env, fprp, fprp)
-DEF_HELPER_3(drsp, void, env, fprp, fprp)
-DEF_HELPER_3(drdpq, void, env, fprp, fprp)
-DEF_HELPER_3(dcffix, void, env, fprp, fprp)
-DEF_HELPER_3(dcffixq, void, env, fprp, fprp)
+DEF_HELPER_3(DCTDP, void, env, fprp, fprp)
+DEF_HELPER_3(DCTQPQ, void, env, fprp, fprp)
+DEF_HELPER_3(DRSP, void, env, fprp, fprp)
+DEF_HELPER_3(DRDPQ, void, env, fprp, fprp)
+DEF_HELPER_3(DCFFIX, void, env, fprp, fprp)
+DEF_HELPER_3(DCFFIXQ, void, env, fprp, fprp)
DEF_HELPER_3(DCFFIXQQ, void, env, fprp, avr)
-DEF_HELPER_3(dctfix, void, env, fprp, fprp)
-DEF_HELPER_3(dctfixq, void, env, fprp, fprp)
+DEF_HELPER_3(DCTFIX, void, env, fprp, fprp)
+DEF_HELPER_3(DCTFIXQ, void, env, fprp, fprp)
DEF_HELPER_3(DCTFIXQQ, void, env, avr, fprp)
DEF_HELPER_4(ddedpd, void, env, fprp, fprp, i32)
DEF_HELPER_4(ddedpdq, void, env, fprp, fprp, i32)
DEF_HELPER_4(denbcd, void, env, fprp, fprp, i32)
DEF_HELPER_4(denbcdq, void, env, fprp, fprp, i32)
-DEF_HELPER_3(dxex, void, env, fprp, fprp)
-DEF_HELPER_3(dxexq, void, env, fprp, fprp)
+DEF_HELPER_3(DXEX, void, env, fprp, fprp)
+DEF_HELPER_3(DXEXQ, void, env, fprp, fprp)
DEF_HELPER_4(DIEX, void, env, fprp, fprp, fprp)
DEF_HELPER_4(DIEXQ, void, env, fprp, fprp, fprp)
DEF_HELPER_4(dscri, void, env, fprp, fprp, i32)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index f7c8d50bd9..033bae2b32 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -54,6 +54,15 @@
@X_tp_a_bp_rc ...... ....0 ra:5 ....0 .......... rc:1 &X_rc
rt=%x_frtp rb=%x_frbp
+&X_tb_rc rt rb rc:bool
+@X_tb_rc ...... rt:5 ..... rb:5 .......... rc:1 &X_tb_rc
+
+@X_tbp_rc ...... ....0 ..... ....0 .......... rc:1 &X_tb_rc
rt=%x_frtp rb=%x_frbp
+
+@X_tp_b_rc ...... ....0 ..... rb:5 .......... rc:1 &X_tb_rc
rt=%x_frtp
+
+@X_t_bp_rc ...... rt:5 ..... ....0 .......... rc:1 &X_tb_rc
rb=%x_frbp
+
&X_bi rt bi
@X_bi ...... rt:5 bi:5 ----- .......... - &X_bi
@@ -272,11 +281,25 @@ DRINTNQ 111111 ..... ---- . ..... .. 11100011 .
@Z23_tbp
### Decimal Floating-Point Conversion Instructions
+DCTDP 111011 ..... ----- ..... 0100000010 . @X_tb_rc
+DCTQPQ 111111 ..... ----- ..... 0100000010 . @X_tp_b_rc
+
+DRSP 111011 ..... ----- ..... 1100000010 . @X_tb_rc
+DRDPQ 111111 ..... ----- ..... 1100000010 . @X_tbp_rc
+
+DCFFIX 111011 ..... ----- ..... 1100100010 . @X_tb_rc
+DCFFIXQ 111111 ..... ----- ..... 1100100010 . @X_tp_b_rc
DCFFIXQQ 111111 ..... 00000 ..... 1111100010 - @X_frtp_vrb
+
+DCTFIX 111011 ..... ----- ..... 0100100010 . @X_tb_rc
+DCTFIXQ 111111 ..... ----- ..... 0100100010 . @X_t_bp_rc
DCTFIXQQ 111111 ..... 00001 ..... 1111100010 - @X_vrt_frbp
### Decimal Floating-Point Format Instructions
+DXEX 111011 ..... ----- ..... 0101100010 . @X_tb_rc
+DXEXQ 111111 ..... ----- ..... 0101100010 . @X_t_bp_rc
+
DIEX 111011 ..... ..... ..... 1101100010 . @X_rc
DIEXQ 111111 ..... ..... ..... 1101100010 . @X_tp_a_bp_rc
diff --git a/target/ppc/translate/dfp-impl.c.inc
b/target/ppc/translate/dfp-impl.c.inc
index 30d65ffb46..736292584c 100644
--- a/target/ppc/translate/dfp-impl.c.inc
+++ b/target/ppc/translate/dfp-impl.c.inc
@@ -106,23 +106,22 @@ static bool trans_##NAME(DisasContext *ctx, arg_##NAME
*a) \
return true; \
}
-#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; \
- } \
- 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 TRANS_DFP_T_B_Rc(NAME) \
+static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
+{ \
+ TCGv_ptr rt, rb; \
+ REQUIRE_INSNS_FLAGS2(ctx, DFP); \
+ REQUIRE_FPU(ctx); \
+ rt = gen_fprp_ptr(a->rt); \
+ rb = gen_fprp_ptr(a->rb); \
+ gen_helper_##NAME(cpu_env, rt, rb); \
+ if (unlikely(a->rc)) { \
+ gen_set_cr1_from_fpscr(ctx); \
+ } \
+ tcg_temp_free_ptr(rt); \
+ tcg_temp_free_ptr(rb); \
+ return true; \
+}
#define GEN_DFP_T_FPR_I32_Rc(name, fprfld, i32fld) \
static void gen_##name(DisasContext *ctx) \
@@ -177,20 +176,20 @@ TRANS_DFP_T_B_U32_U32_Rc(DRINTX, r, rmc)
TRANS_DFP_T_B_U32_U32_Rc(DRINTXQ, r, rmc)
TRANS_DFP_T_B_U32_U32_Rc(DRINTN, r, rmc)
TRANS_DFP_T_B_U32_U32_Rc(DRINTNQ, r, 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)
+TRANS_DFP_T_B_Rc(DCTDP)
+TRANS_DFP_T_B_Rc(DCTQPQ)
+TRANS_DFP_T_B_Rc(DRSP)
+TRANS_DFP_T_B_Rc(DRDPQ)
+TRANS_DFP_T_B_Rc(DCFFIX)
+TRANS_DFP_T_B_Rc(DCFFIXQ)
+TRANS_DFP_T_B_Rc(DCTFIX)
+TRANS_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)
+TRANS_DFP_T_B_Rc(DXEX)
+TRANS_DFP_T_B_Rc(DXEXQ)
TRANS_DFP_T_A_B_Rc(DIEX)
TRANS_DFP_T_A_B_Rc(DIEXQ)
GEN_DFP_T_FPR_I32_Rc(dscli, rA, DCM)
@@ -198,7 +197,6 @@ 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_B_Rc
#undef GEN_DFP_T_FPR_I32_Rc
static bool trans_DCFFIXQQ(DisasContext *ctx, arg_DCFFIXQQ *a)
diff --git a/target/ppc/translate/dfp-ops.c.inc
b/target/ppc/translate/dfp-ops.c.inc
index 3e0dfae796..e29c4b2194 100644
--- a/target/ppc/translate/dfp-ops.c.inc
+++ b/target/ppc/translate/dfp-ops.c.inc
@@ -12,18 +12,6 @@ GEN_HANDLER_E(name, 0x3F, op1, op2, mask, PPC_NONE, PPC2_DFP)
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_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_SP_T_B_Rc(name, op1, op2) \
_GEN_DFP_LONG(name, op1, op2, 0x00070000)
@@ -42,20 +30,10 @@ _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_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_SH_Rc(dscli, 0x02, 0x02),
GEN_DFP_Tp_Ap_SH_Rc(dscliq, 0x02, 0x02),
GEN_DFP_T_A_SH_Rc(dscri, 0x02, 0x03),
--
2.33.1
- [PULL 25/54] target/ppc: Move ddedpd[q], denbcd[q], dscli[q], dscri[q] to decodetree, (continued)
- [PULL 25/54] target/ppc: Move ddedpd[q], denbcd[q], dscli[q], dscri[q] to decodetree, David Gibson, 2021/11/09
- [PULL 23/54] target/ppc: Move dqua[q], drrnd[q] to decodetree, David Gibson, 2021/11/09
- [PULL 26/54] ppc/pnv: Fix check on block device before updating drive contents, David Gibson, 2021/11/09
- [PULL 31/54] target/ppc: Implement vsldbi/vsrdbi instructions, David Gibson, 2021/11/09
- [PULL 06/54] target/ppc: Implement PLQ and PSTQ, David Gibson, 2021/11/09
- [PULL 17/54] target/ppc: Implement DCTFIXQQ, David Gibson, 2021/11/09
- [PULL 18/54] target/ppc: Do not update nip on DFP instructions, David Gibson, 2021/11/09
- [PULL 38/54] target/ppc: receive high/low as argument in get/set_cpu_vsr, David Gibson, 2021/11/09
- [PULL 22/54] target/ppc: Move dquai[q], drint{x,n}[q] to decodetree, David Gibson, 2021/11/09
- [PULL 21/54] target/ppc: Move dcmp{u, o}[q], dts{tex, tsf, tsfi}[q] to decodetree, David Gibson, 2021/11/09
- [PULL 24/54] target/ppc: Move dct{dp, qpq}, dr{sp, dpq}, dc{f, t}fix[q], dxex[q] to decodetree,
David Gibson <=
- [PULL 33/54] target/ppc: Implement Vector Insert Word from GPR using Immediate insns, David Gibson, 2021/11/09
- [PULL 34/54] target/ppc: Implement Vector Insert from VSR using GPR index insns, David Gibson, 2021/11/09
- [PULL 27/54] ppc/pegasos2: Suppress warning when qtest enabled, David Gibson, 2021/11/09
- [PULL 29/54] target/ppc: Implement vclzdm/vctzdm instructions, David Gibson, 2021/11/09
- [PULL 13/54] target/ppc: Introduce REQUIRE_FPU, David Gibson, 2021/11/09
- [PULL 19/54] target/ppc: Move dtstdc[q]/dtstdg[q] to decodetree, David Gibson, 2021/11/09
- [PULL 20/54] target/ppc: Move d{add, sub, mul, div, iex}[q] to decodetree, David Gibson, 2021/11/09
- [PULL 30/54] target/ppc: Implement vpdepd/vpextd instruction, David Gibson, 2021/11/09
- [PULL 36/54] target/ppc: Implement Vector Extract Double to VSR using GPR index insns, David Gibson, 2021/11/09
- [PULL 32/54] target/ppc: Implement Vector Insert from GPR using GPR index insns, David Gibson, 2021/11/09