From: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
To: qemu-devel@nongnu.org
Cc: "Aleksandar Rikalo" <aleksandar.rikalo@syrmia.com>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"Aurelien Jarno" <aurelien@aurel32.net>
Subject: [PATCH v2 18/32] target/mips: Convert MSA 3RF instruction format to decodetree (DF_HALF)
Date: Wed, 27 Oct 2021 20:07:16 +0200 [thread overview]
Message-ID: <20211027180730.1551932-19-f4bug@amsat.org> (raw)
In-Reply-To: <20211027180730.1551932-1-f4bug@amsat.org>
Convert 3-register floating-point or fixed-point operations
to decodetree.
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
target/mips/tcg/msa.decode | 8 +++++
target/mips/tcg/msa_translate.c | 64 +++++++++++++--------------------
2 files changed, 33 insertions(+), 39 deletions(-)
diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode
index c9cc1529c8e..ace07f2f298 100644
--- a/target/mips/tcg/msa.decode
+++ b/target/mips/tcg/msa.decode
@@ -31,6 +31,7 @@
@vec ...... ..... wt:5 ws:5 wd:5 ...... &msa_r df=0
@2r ...... ........ df:2 ws:5 wd:5 ...... &msa_r wt=0
@2rf ...... ......... df:1 ws:5 wd:5 ...... &msa_r wt=0
+@3rf ...... .... df:1 wt:5 ws:5 wd:5 ...... &msa_r
@u5 ...... ... df:2 sa:5 ws:5 wd:5 ...... &msa_i5
@s5 ...... ... df:2 sa:s5 ws:5 wd:5 ...... &msa_i5
@i8_df ...... df:2 sa:s8 ws:5 wd:5 ...... &msa_i8
@@ -85,6 +86,13 @@ BNZ 010001 111 .. ..... ................ @bz
SRARI 011110 010 ....... ..... ..... 001010 @bit
SRLRI 011110 011 ....... ..... ..... 001010 @bit
+ MUL_Q 011110 0100 . ..... ..... ..... 011100 @3rf
+ MADD_Q 011110 0101 . ..... ..... ..... 011100 @3rf
+ MSUB_Q 011110 0110 . ..... ..... ..... 011100 @3rf
+ MULR_Q 011110 1100 . ..... ..... ..... 011100 @3rf
+ MADDR_Q 011110 1101 . ..... ..... ..... 011100 @3rf
+ MSUBR_Q 011110 1110 . ..... ..... ..... 011100 @3rf
+
AND_V 011110 00000 ..... ..... ..... 011110 @vec
OR_V 011110 00001 ..... ..... ..... 011110 @vec
NOR_V 011110 00010 ..... ..... ..... 011110 @vec
diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c
index c7168608d42..4e0ad24543e 100644
--- a/target/mips/tcg/msa_translate.c
+++ b/target/mips/tcg/msa_translate.c
@@ -133,12 +133,9 @@ enum {
OPC_FCNE_df = (0x3 << 22) | OPC_MSA_3RF_1C,
OPC_FCLT_df = (0x4 << 22) | OPC_MSA_3RF_1A,
OPC_FMADD_df = (0x4 << 22) | OPC_MSA_3RF_1B,
- OPC_MUL_Q_df = (0x4 << 22) | OPC_MSA_3RF_1C,
OPC_FCULT_df = (0x5 << 22) | OPC_MSA_3RF_1A,
OPC_FMSUB_df = (0x5 << 22) | OPC_MSA_3RF_1B,
- OPC_MADD_Q_df = (0x5 << 22) | OPC_MSA_3RF_1C,
OPC_FCLE_df = (0x6 << 22) | OPC_MSA_3RF_1A,
- OPC_MSUB_Q_df = (0x6 << 22) | OPC_MSA_3RF_1C,
OPC_FCULE_df = (0x7 << 22) | OPC_MSA_3RF_1A,
OPC_FEXP2_df = (0x7 << 22) | OPC_MSA_3RF_1B,
OPC_FSAF_df = (0x8 << 22) | OPC_MSA_3RF_1A,
@@ -152,13 +149,10 @@ enum {
OPC_FSNE_df = (0xB << 22) | OPC_MSA_3RF_1C,
OPC_FSLT_df = (0xC << 22) | OPC_MSA_3RF_1A,
OPC_FMIN_df = (0xC << 22) | OPC_MSA_3RF_1B,
- OPC_MULR_Q_df = (0xC << 22) | OPC_MSA_3RF_1C,
OPC_FSULT_df = (0xD << 22) | OPC_MSA_3RF_1A,
OPC_FMIN_A_df = (0xD << 22) | OPC_MSA_3RF_1B,
- OPC_MADDR_Q_df = (0xD << 22) | OPC_MSA_3RF_1C,
OPC_FSLE_df = (0xE << 22) | OPC_MSA_3RF_1A,
OPC_FMAX_df = (0xE << 22) | OPC_MSA_3RF_1B,
- OPC_MSUBR_Q_df = (0xE << 22) | OPC_MSA_3RF_1C,
OPC_FSULE_df = (0xF << 22) | OPC_MSA_3RF_1A,
OPC_FMAX_A_df = (0xF << 22) | OPC_MSA_3RF_1B,
};
@@ -1655,6 +1649,30 @@ static void gen_msa_elm(DisasContext *ctx)
gen_msa_elm_df(ctx, df, n);
}
+static bool trans_msa_3rf(DisasContext *ctx, arg_msa_r *a,
+ enum CPUMIPSMSADataFormat df_base,
+ gen_helper_piiii *gen_msa_3rf)
+{
+ if (!check_msa_enabled(ctx)) {
+ return true;
+ }
+
+ gen_msa_3rf(cpu_env,
+ tcg_constant_i32(a->df + df_base),
+ tcg_constant_i32(a->wd),
+ tcg_constant_i32(a->ws),
+ tcg_constant_i32(a->wt));
+
+ return true;
+}
+
+TRANS(MUL_Q, trans_msa_3rf, DF_HALF, gen_helper_msa_mul_q_df);
+TRANS(MADD_Q, trans_msa_3rf, DF_HALF, gen_helper_msa_madd_q_df);
+TRANS(MSUB_Q, trans_msa_3rf, DF_HALF, gen_helper_msa_msub_q_df);
+TRANS(MULR_Q, trans_msa_3rf, DF_HALF, gen_helper_msa_mulr_q_df);
+TRANS(MADDR_Q, trans_msa_3rf, DF_HALF, gen_helper_msa_maddr_q_df);
+TRANS(MSUBR_Q, trans_msa_3rf, DF_HALF, gen_helper_msa_msubr_q_df);
+
static void gen_msa_3rf(DisasContext *ctx)
{
#define MASK_MSA_3RF(op) (MASK_MSA_MINOR(op) | (op & (0xf << 22)))
@@ -1666,22 +1684,8 @@ static void gen_msa_3rf(DisasContext *ctx)
TCGv_i32 twd = tcg_const_i32(wd);
TCGv_i32 tws = tcg_const_i32(ws);
TCGv_i32 twt = tcg_const_i32(wt);
- TCGv_i32 tdf;
-
/* adjust df value for floating-point instruction */
- switch (MASK_MSA_3RF(ctx->opcode)) {
- case OPC_MUL_Q_df:
- case OPC_MADD_Q_df:
- case OPC_MSUB_Q_df:
- case OPC_MULR_Q_df:
- case OPC_MADDR_Q_df:
- case OPC_MSUBR_Q_df:
- tdf = tcg_constant_i32(DF_HALF + df);
- break;
- default:
- tdf = tcg_constant_i32(DF_WORD + df);
- break;
- }
+ TCGv_i32 tdf = tcg_constant_i32(DF_WORD + df);
switch (MASK_MSA_3RF(ctx->opcode)) {
case OPC_FCAF_df:
@@ -1723,24 +1727,15 @@ static void gen_msa_3rf(DisasContext *ctx)
case OPC_FMADD_df:
gen_helper_msa_fmadd_df(cpu_env, tdf, twd, tws, twt);
break;
- case OPC_MUL_Q_df:
- gen_helper_msa_mul_q_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_FCULT_df:
gen_helper_msa_fcult_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FMSUB_df:
gen_helper_msa_fmsub_df(cpu_env, tdf, twd, tws, twt);
break;
- case OPC_MADD_Q_df:
- gen_helper_msa_madd_q_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_FCLE_df:
gen_helper_msa_fcle_df(cpu_env, tdf, twd, tws, twt);
break;
- case OPC_MSUB_Q_df:
- gen_helper_msa_msub_q_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_FCULE_df:
gen_helper_msa_fcule_df(cpu_env, tdf, twd, tws, twt);
break;
@@ -1780,27 +1775,18 @@ static void gen_msa_3rf(DisasContext *ctx)
case OPC_FMIN_df:
gen_helper_msa_fmin_df(cpu_env, tdf, twd, tws, twt);
break;
- case OPC_MULR_Q_df:
- gen_helper_msa_mulr_q_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_FSULT_df:
gen_helper_msa_fsult_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FMIN_A_df:
gen_helper_msa_fmin_a_df(cpu_env, tdf, twd, tws, twt);
break;
- case OPC_MADDR_Q_df:
- gen_helper_msa_maddr_q_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_FSLE_df:
gen_helper_msa_fsle_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FMAX_df:
gen_helper_msa_fmax_df(cpu_env, tdf, twd, tws, twt);
break;
- case OPC_MSUBR_Q_df:
- gen_helper_msa_msubr_q_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_FSULE_df:
gen_helper_msa_fsule_df(cpu_env, tdf, twd, tws, twt);
break;
--
2.31.1
next prev parent reply other threads:[~2021-10-27 18:26 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-27 18:06 [PATCH v2 00/32] target/mips: Fully convert MSA opcodes to decodetree Philippe Mathieu-Daudé
2021-10-27 18:06 ` [PATCH v2 01/32] target/mips: Fix MSA MADDV.B opcode Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 02/32] target/mips: Fix MSA MSUBV.B opcode Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 03/32] tests/tcg/mips: Run MSA opcodes tests on user-mode emulation Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 04/32] target/mips: Use dup_const() to simplify Philippe Mathieu-Daudé
2021-10-27 19:06 ` Richard Henderson
2021-10-28 20:53 ` Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 05/32] target/mips: Have check_msa_access() return a boolean Philippe Mathieu-Daudé
2021-10-27 19:07 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 06/32] target/mips: Use enum definitions from CPUMIPSMSADataFormat enum Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 07/32] target/mips: Rename sa16 -> sa, bz_df -> bz -> bz_v Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 08/32] target/mips: Convert MSA LDI opcode to decodetree Philippe Mathieu-Daudé
2021-10-27 19:10 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 09/32] target/mips: Convert MSA I5 instruction format " Philippe Mathieu-Daudé
2021-10-27 19:17 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 10/32] target/mips: Convert MSA BIT " Philippe Mathieu-Daudé
2021-10-27 21:20 ` Richard Henderson
2021-10-28 11:04 ` Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 11/32] target/mips: Convert MSA SHF opcode " Philippe Mathieu-Daudé
2021-10-27 21:21 ` Richard Henderson
2021-10-28 11:45 ` Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 12/32] target/mips: Convert MSA I8 instruction format " Philippe Mathieu-Daudé
2021-10-27 21:31 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 13/32] target/mips: Convert MSA load/store " Philippe Mathieu-Daudé
2021-10-27 21:42 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 14/32] target/mips: Convert MSA 2RF " Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 15/32] target/mips: Convert MSA FILL opcode " Philippe Mathieu-Daudé
2021-10-27 21:46 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 16/32] target/mips: Convert MSA 2R instruction format " Philippe Mathieu-Daudé
2021-10-27 21:50 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 17/32] target/mips: Convert MSA VEC " Philippe Mathieu-Daudé
2021-10-27 18:07 ` Philippe Mathieu-Daudé [this message]
2021-10-27 21:53 ` [PATCH v2 18/32] target/mips: Convert MSA 3RF instruction format to decodetree (DF_HALF) Richard Henderson
2021-10-28 13:14 ` Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 19/32] target/mips: Convert MSA 3RF instruction format to decodetree (DF_WORD) Philippe Mathieu-Daudé
2021-10-27 21:54 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 20/32] target/mips: Convert MSA 3R instruction format to decodetree (part 1/4) Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 21/32] target/mips: Convert MSA 3R instruction format to decodetree (part 2/4) Philippe Mathieu-Daudé
2021-10-27 22:02 ` Richard Henderson
2021-10-28 13:40 ` Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 22/32] target/mips: Convert MSA 3R instruction format to decodetree (part 3/4) Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 23/32] target/mips: Convert MSA 3R instruction format to decodetree (part 4/4) Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 24/32] target/mips: Convert MSA ELM instruction format to decodetree Philippe Mathieu-Daudé
2021-10-27 22:05 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 25/32] target/mips: Convert MSA COPY_U opcode " Philippe Mathieu-Daudé
2021-10-27 22:08 ` Richard Henderson
2021-10-27 18:07 ` [PATCH v2 26/32] target/mips: Convert MSA COPY_S and INSERT opcodes " Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 27/32] target/mips: Convert MSA MOVE.V opcode " Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 28/32] target/mips: Convert CFCMSA " Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 29/32] target/mips: Convert CTCMSA " Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 30/32] target/mips: Remove generic MSA opcode Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 31/32] target/mips: Remove one MSA unnecessary decodetree overlap group Philippe Mathieu-Daudé
2021-10-27 18:07 ` [PATCH v2 32/32] target/mips: Adjust style in msa_translate_init() Philippe Mathieu-Daudé
2021-10-27 18:12 ` [PATCH v2 00/32] target/mips: Fully convert MSA opcodes to decodetree Philippe Mathieu-Daudé
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