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[PATCH v3 20/32] target/mips: Convert MSA 3R instruction format to decod
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v3 20/32] target/mips: Convert MSA 3R instruction format to decodetree (part 1/4) |
Date: |
Thu, 28 Oct 2021 23:08:31 +0200 |
Convert 3-register operations to decodetree.
Since the 'data format' field is a constant value, use
tcg_constant_i32() instead of a TCG temporary.
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
v3:
- Remove TRANS_MSA(), call check_msa_enabled in trans_X()
---
target/mips/tcg/msa.decode | 6 ++++++
target/mips/tcg/msa_translate.c | 17 +++++------------
2 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode
index 1d6ada4c142..4b14acce26f 100644
--- a/target/mips/tcg/msa.decode
+++ b/target/mips/tcg/msa.decode
@@ -32,6 +32,7 @@
@vec ...... ..... wt:5 ws:5 wd:5 ...... &msa_r df=0
@2r ...... ........ df:2 ws:5 wd:5 ...... &msa_r wt=0
@2rf ...... ......... . ws:5 wd:5 ...... &msa_r wt=0
df=%2r_df_w
+@3r ...... ... df:2 wt:5 ws:5 wd:5 ...... &msa_r
@3rf_h ...... .... . wt:5 ws:5 wd:5 ...... &msa_r df=%3r_df_h
@3rf_w ...... .... . wt:5 ws:5 wd:5 ...... &msa_r df=%3r_df_w
@u5 ...... ... df:2 sa:5 ws:5 wd:5 ...... &msa_i
@@ -88,6 +89,11 @@ BNZ 010001 111 .. ..... ................
@bz
SRARI 011110 010 ....... ..... ..... 001010 @bit
SRLRI 011110 011 ....... ..... ..... 001010 @bit
+ SLD 011110 000 .. ..... ..... ..... 010100 @3r
+ SPLAT 011110 001 .. ..... ..... ..... 010100 @3r
+
+ VSHF 011110 000 .. ..... ..... ..... 010101 @3r
+
FCAF 011110 0000 . ..... ..... ..... 011010 @3rf_w
FCUN 011110 0001 . ..... ..... ..... 011010 @3rf_w
FCEQ 011110 0010 . ..... ..... ..... 011010 @3rf_w
diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c
index fbaf9f622f3..6738a2b8cd7 100644
--- a/target/mips/tcg/msa_translate.c
+++ b/target/mips/tcg/msa_translate.c
@@ -58,15 +58,12 @@ enum {
OPC_SUBS_S_df = (0x0 << 23) | OPC_MSA_3R_11,
OPC_MULV_df = (0x0 << 23) | OPC_MSA_3R_12,
OPC_DOTP_S_df = (0x0 << 23) | OPC_MSA_3R_13,
- OPC_SLD_df = (0x0 << 23) | OPC_MSA_3R_14,
- OPC_VSHF_df = (0x0 << 23) | OPC_MSA_3R_15,
OPC_SRA_df = (0x1 << 23) | OPC_MSA_3R_0D,
OPC_SUBV_df = (0x1 << 23) | OPC_MSA_3R_0E,
OPC_ADDS_A_df = (0x1 << 23) | OPC_MSA_3R_10,
OPC_SUBS_U_df = (0x1 << 23) | OPC_MSA_3R_11,
OPC_MADDV_df = (0x1 << 23) | OPC_MSA_3R_12,
OPC_DOTP_U_df = (0x1 << 23) | OPC_MSA_3R_13,
- OPC_SPLAT_df = (0x1 << 23) | OPC_MSA_3R_14,
OPC_SRAR_df = (0x1 << 23) | OPC_MSA_3R_15,
OPC_SRL_df = (0x2 << 23) | OPC_MSA_3R_0D,
OPC_MAX_S_df = (0x2 << 23) | OPC_MSA_3R_0E,
@@ -503,6 +500,11 @@ TRANS(BMNZ_V, trans_msa_3r,
gen_helper_msa_bmnz_v);
TRANS(BMZ_V, trans_msa_3r, gen_helper_msa_bmz_v);
TRANS(BSEL_V, trans_msa_3r, gen_helper_msa_bsel_v);
+TRANS(SLD, trans_msa_3rf, gen_helper_msa_sld_df);
+TRANS(SPLAT, trans_msa_3rf, gen_helper_msa_splat_df);
+
+TRANS(VSHF, trans_msa_3rf, gen_helper_msa_vshf_df);
+
static void gen_msa_3r(DisasContext *ctx)
{
#define MASK_MSA_3R(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23)))
@@ -1253,12 +1255,6 @@ static void gen_msa_3r(DisasContext *ctx)
break;
}
break;
- case OPC_SLD_df:
- gen_helper_msa_sld_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_VSHF_df:
- gen_helper_msa_vshf_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_SUBV_df:
switch (df) {
case DF_BYTE:
@@ -1291,9 +1287,6 @@ static void gen_msa_3r(DisasContext *ctx)
break;
}
break;
- case OPC_SPLAT_df:
- gen_helper_msa_splat_df(cpu_env, tdf, twd, tws, twt);
- break;
case OPC_SUBSUS_U_df:
switch (df) {
case DF_BYTE:
--
2.31.1
- [PATCH v3 10/32] target/mips: Convert MSA BIT instruction format to decodetree, (continued)
- [PATCH v3 10/32] target/mips: Convert MSA BIT instruction format to decodetree, Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 13/32] target/mips: Convert MSA load/store instruction format to decodetree, Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 15/32] target/mips: Convert MSA FILL opcode to decodetree, Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 14/32] target/mips: Convert MSA 2RF instruction format to decodetree, Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 16/32] target/mips: Convert MSA 2R instruction format to decodetree, Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 18/32] target/mips: Convert MSA 3RF instruction format to decodetree (DF_HALF), Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 17/32] target/mips: Convert MSA VEC instruction format to decodetree, Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 19/32] target/mips: Convert MSA 3RF instruction format to decodetree (DF_WORD), Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 20/32] target/mips: Convert MSA 3R instruction format to decodetree (part 1/4),
Philippe Mathieu-Daudé <=
- [PATCH v3 21/32] target/mips: Convert MSA 3R instruction format to decodetree (part 2/4), Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 22/32] target/mips: Convert MSA 3R instruction format to decodetree (part 3/4), Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 24/32] target/mips: Convert MSA ELM instruction format to decodetree, Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 23/32] target/mips: Convert MSA 3R instruction format to decodetree (part 4/4), Philippe Mathieu-Daudé, 2021/10/28
- [PATCH v3 25/32] target/mips: Convert MSA COPY_U opcode to decodetree, Philippe Mathieu-Daudé, 2021/10/28