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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-10-19 10:37:13 +0200
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-11-02 14:32:32 +0100
commit2d5246f30573c27cee609021850fdd3c56cda1ec (patch)
tree59cacd84afd6221c7e0cbac5512d688a1a29d40f /target/mips
parentff29e5d3c0ac7f88b9cf1840451f5fc6c958171d (diff)
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target/mips: Convert MSA 3RF instruction format to decodetree (DF_WORD)
Convert 3-register floating-point or fixed-point operations to decodetree. 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> Message-Id: <20211028210843.2120802-20-f4bug@amsat.org>
Diffstat (limited to 'target/mips')
-rw-r--r--target/mips/tcg/msa.decode39
-rw-r--r--target/mips/tcg/msa_translate.c213
2 files changed, 76 insertions, 176 deletions
diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode
index f90b2d2..1d6ada4 100644
--- a/target/mips/tcg/msa.decode
+++ b/target/mips/tcg/msa.decode
@@ -23,6 +23,7 @@
%bit_m 16:7 !function=bit_m
%2r_df_w 16:1 !function=plus_2
%3r_df_h 21:1 !function=plus_1
+%3r_df_w 21:1 !function=plus_2
@lsa ...... rs:5 rt:5 rd:5 ... sa:2 ...... &r
@ldst ...... sa:s10 ws:5 wd:5 .... df:2 &msa_i
@@ -32,6 +33,7 @@
@2r ...... ........ df:2 ws:5 wd:5 ...... &msa_r wt=0
@2rf ...... ......... . ws:5 wd:5 ...... &msa_r wt=0 df=%2r_df_w
@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
@s5 ...... ... df:2 sa:s5 ws:5 wd:5 ...... &msa_i
@i8_df ...... df:2 sa:s8 ws:5 wd:5 ...... &msa_i
@@ -86,9 +88,46 @@ BNZ 010001 111 .. ..... ................ @bz
SRARI 011110 010 ....... ..... ..... 001010 @bit
SRLRI 011110 011 ....... ..... ..... 001010 @bit
+ FCAF 011110 0000 . ..... ..... ..... 011010 @3rf_w
+ FCUN 011110 0001 . ..... ..... ..... 011010 @3rf_w
+ FCEQ 011110 0010 . ..... ..... ..... 011010 @3rf_w
+ FCUEQ 011110 0011 . ..... ..... ..... 011010 @3rf_w
+ FCLT 011110 0100 . ..... ..... ..... 011010 @3rf_w
+ FCULT 011110 0101 . ..... ..... ..... 011010 @3rf_w
+ FCLE 011110 0110 . ..... ..... ..... 011010 @3rf_w
+ FCULE 011110 0111 . ..... ..... ..... 011010 @3rf_w
+ FSAF 011110 1000 . ..... ..... ..... 011010 @3rf_w
+ FSUN 011110 1001 . ..... ..... ..... 011010 @3rf_w
+ FSEQ 011110 1010 . ..... ..... ..... 011010 @3rf_w
+ FSUEQ 011110 1011 . ..... ..... ..... 011010 @3rf_w
+ FSLT 011110 1100 . ..... ..... ..... 011010 @3rf_w
+ FSULT 011110 1101 . ..... ..... ..... 011010 @3rf_w
+ FSLE 011110 1110 . ..... ..... ..... 011010 @3rf_w
+ FSULE 011110 1111 . ..... ..... ..... 011010 @3rf_w
+
+ FADD 011110 0000 . ..... ..... ..... 011011 @3rf_w
+ FSUB 011110 0001 . ..... ..... ..... 011011 @3rf_w
+ FMUL 011110 0010 . ..... ..... ..... 011011 @3rf_w
+ FDIV 011110 0011 . ..... ..... ..... 011011 @3rf_w
+ FMADD 011110 0100 . ..... ..... ..... 011011 @3rf_w
+ FMSUB 011110 0101 . ..... ..... ..... 011011 @3rf_w
+ FEXP2 011110 0111 . ..... ..... ..... 011011 @3rf_w
+ FEXDO 011110 1000 . ..... ..... ..... 011011 @3rf_w
+ FTQ 011110 1010 . ..... ..... ..... 011011 @3rf_w
+ FMIN 011110 1100 . ..... ..... ..... 011011 @3rf_w
+ FMIN_A 011110 1101 . ..... ..... ..... 011011 @3rf_w
+ FMAX 011110 1110 . ..... ..... ..... 011011 @3rf_w
+ FMAX_A 011110 1111 . ..... ..... ..... 011011 @3rf_w
+
+ FCOR 011110 0001 . ..... ..... ..... 011100 @3rf_w
+ FCUNE 011110 0010 . ..... ..... ..... 011100 @3rf_w
+ FCNE 011110 0011 . ..... ..... ..... 011100 @3rf_w
MUL_Q 011110 0100 . ..... ..... ..... 011100 @3rf_h
MADD_Q 011110 0101 . ..... ..... ..... 011100 @3rf_h
MSUB_Q 011110 0110 . ..... ..... ..... 011100 @3rf_h
+ FSOR 011110 1001 . ..... ..... ..... 011100 @3rf_w
+ FSUNE 011110 1010 . ..... ..... ..... 011100 @3rf_w
+ FSNE 011110 1011 . ..... ..... ..... 011100 @3rf_w
MULR_Q 011110 1100 . ..... ..... ..... 011100 @3rf_h
MADDR_Q 011110 1101 . ..... ..... ..... 011100 @3rf_h
MSUBR_Q 011110 1110 . ..... ..... ..... 011100 @3rf_h
diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c
index 65e56b2..26d05a8 100644
--- a/target/mips/tcg/msa_translate.c
+++ b/target/mips/tcg/msa_translate.c
@@ -47,9 +47,6 @@ enum {
OPC_MSA_3R_14 = 0x14 | OPC_MSA,
OPC_MSA_3R_15 = 0x15 | OPC_MSA,
OPC_MSA_ELM = 0x19 | OPC_MSA,
- OPC_MSA_3RF_1A = 0x1A | OPC_MSA,
- OPC_MSA_3RF_1B = 0x1B | OPC_MSA,
- OPC_MSA_3RF_1C = 0x1C | OPC_MSA,
};
enum {
@@ -128,43 +125,6 @@ enum {
OPC_COPY_U_df = (0x3 << 22) | (0x00 << 16) | OPC_MSA_ELM,
OPC_INSERT_df = (0x4 << 22) | (0x00 << 16) | OPC_MSA_ELM,
OPC_INSVE_df = (0x5 << 22) | (0x00 << 16) | OPC_MSA_ELM,
-
- /* 3RF instruction _df(bit 21) = _w, _d */
- OPC_FCAF_df = (0x0 << 22) | OPC_MSA_3RF_1A,
- OPC_FADD_df = (0x0 << 22) | OPC_MSA_3RF_1B,
- OPC_FCUN_df = (0x1 << 22) | OPC_MSA_3RF_1A,
- OPC_FSUB_df = (0x1 << 22) | OPC_MSA_3RF_1B,
- OPC_FCOR_df = (0x1 << 22) | OPC_MSA_3RF_1C,
- OPC_FCEQ_df = (0x2 << 22) | OPC_MSA_3RF_1A,
- OPC_FMUL_df = (0x2 << 22) | OPC_MSA_3RF_1B,
- OPC_FCUNE_df = (0x2 << 22) | OPC_MSA_3RF_1C,
- OPC_FCUEQ_df = (0x3 << 22) | OPC_MSA_3RF_1A,
- OPC_FDIV_df = (0x3 << 22) | OPC_MSA_3RF_1B,
- 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_FCULT_df = (0x5 << 22) | OPC_MSA_3RF_1A,
- OPC_FMSUB_df = (0x5 << 22) | OPC_MSA_3RF_1B,
- OPC_FCLE_df = (0x6 << 22) | OPC_MSA_3RF_1A,
- 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,
- OPC_FEXDO_df = (0x8 << 22) | OPC_MSA_3RF_1B,
- OPC_FSUN_df = (0x9 << 22) | OPC_MSA_3RF_1A,
- OPC_FSOR_df = (0x9 << 22) | OPC_MSA_3RF_1C,
- OPC_FSEQ_df = (0xA << 22) | OPC_MSA_3RF_1A,
- OPC_FTQ_df = (0xA << 22) | OPC_MSA_3RF_1B,
- OPC_FSUNE_df = (0xA << 22) | OPC_MSA_3RF_1C,
- OPC_FSUEQ_df = (0xB << 22) | OPC_MSA_3RF_1A,
- 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_FSULT_df = (0xD << 22) | OPC_MSA_3RF_1A,
- OPC_FMIN_A_df = (0xD << 22) | OPC_MSA_3RF_1B,
- OPC_FSLE_df = (0xE << 22) | OPC_MSA_3RF_1A,
- OPC_FMAX_df = (0xE << 22) | OPC_MSA_3RF_1B,
- OPC_FSULE_df = (0xF << 22) | OPC_MSA_3RF_1A,
- OPC_FMAX_A_df = (0xF << 22) | OPC_MSA_3RF_1B,
};
static const char msaregnames[][6] = {
@@ -1697,144 +1657,50 @@ static void gen_msa_elm(DisasContext *ctx)
gen_msa_elm_df(ctx, df, n);
}
+TRANS(FCAF, trans_msa_3rf, gen_helper_msa_fcaf_df);
+TRANS(FCUN, trans_msa_3rf, gen_helper_msa_fcun_df);
+TRANS(FCEQ, trans_msa_3rf, gen_helper_msa_fceq_df);
+TRANS(FCUEQ, trans_msa_3rf, gen_helper_msa_fcueq_df);
+TRANS(FCLT, trans_msa_3rf, gen_helper_msa_fclt_df);
+TRANS(FCULT, trans_msa_3rf, gen_helper_msa_fcult_df);
+TRANS(FCLE, trans_msa_3rf, gen_helper_msa_fcle_df);
+TRANS(FCULE, trans_msa_3rf, gen_helper_msa_fcule_df);
+TRANS(FSAF, trans_msa_3rf, gen_helper_msa_fsaf_df);
+TRANS(FSUN, trans_msa_3rf, gen_helper_msa_fsun_df);
+TRANS(FSEQ, trans_msa_3rf, gen_helper_msa_fseq_df);
+TRANS(FSUEQ, trans_msa_3rf, gen_helper_msa_fsueq_df);
+TRANS(FSLT, trans_msa_3rf, gen_helper_msa_fslt_df);
+TRANS(FSULT, trans_msa_3rf, gen_helper_msa_fsult_df);
+TRANS(FSLE, trans_msa_3rf, gen_helper_msa_fsle_df);
+TRANS(FSULE, trans_msa_3rf, gen_helper_msa_fsule_df);
+
+TRANS(FADD, trans_msa_3rf, gen_helper_msa_fadd_df);
+TRANS(FSUB, trans_msa_3rf, gen_helper_msa_fsub_df);
+TRANS(FMUL, trans_msa_3rf, gen_helper_msa_fmul_df);
+TRANS(FDIV, trans_msa_3rf, gen_helper_msa_fdiv_df);
+TRANS(FMADD, trans_msa_3rf, gen_helper_msa_fmadd_df);
+TRANS(FMSUB, trans_msa_3rf, gen_helper_msa_fmsub_df);
+TRANS(FEXP2, trans_msa_3rf, gen_helper_msa_fexp2_df);
+TRANS(FEXDO, trans_msa_3rf, gen_helper_msa_fexdo_df);
+TRANS(FTQ, trans_msa_3rf, gen_helper_msa_ftq_df);
+TRANS(FMIN, trans_msa_3rf, gen_helper_msa_fmin_df);
+TRANS(FMIN_A, trans_msa_3rf, gen_helper_msa_fmin_a_df);
+TRANS(FMAX, trans_msa_3rf, gen_helper_msa_fmax_df);
+TRANS(FMAX_A, trans_msa_3rf, gen_helper_msa_fmax_a_df);
+
+TRANS(FCOR, trans_msa_3rf, gen_helper_msa_fcor_df);
+TRANS(FCUNE, trans_msa_3rf, gen_helper_msa_fcune_df);
+TRANS(FCNE, trans_msa_3rf, gen_helper_msa_fcne_df);
TRANS(MUL_Q, trans_msa_3rf, gen_helper_msa_mul_q_df);
TRANS(MADD_Q, trans_msa_3rf, gen_helper_msa_madd_q_df);
TRANS(MSUB_Q, trans_msa_3rf, gen_helper_msa_msub_q_df);
+TRANS(FSOR, trans_msa_3rf, gen_helper_msa_fsor_df);
+TRANS(FSUNE, trans_msa_3rf, gen_helper_msa_fsune_df);
+TRANS(FSNE, trans_msa_3rf, gen_helper_msa_fsne_df);
TRANS(MULR_Q, trans_msa_3rf, gen_helper_msa_mulr_q_df);
TRANS(MADDR_Q, trans_msa_3rf, gen_helper_msa_maddr_q_df);
TRANS(MSUBR_Q, trans_msa_3rf, 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)))
- uint8_t df = (ctx->opcode >> 21) & 0x1;
- uint8_t wt = (ctx->opcode >> 16) & 0x1f;
- uint8_t ws = (ctx->opcode >> 11) & 0x1f;
- uint8_t wd = (ctx->opcode >> 6) & 0x1f;
-
- TCGv_i32 twd = tcg_const_i32(wd);
- TCGv_i32 tws = tcg_const_i32(ws);
- TCGv_i32 twt = tcg_const_i32(wt);
- /* adjust df value for floating-point instruction */
- TCGv_i32 tdf = tcg_constant_i32(DF_WORD + df);
-
- switch (MASK_MSA_3RF(ctx->opcode)) {
- case OPC_FCAF_df:
- gen_helper_msa_fcaf_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FADD_df:
- gen_helper_msa_fadd_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCUN_df:
- gen_helper_msa_fcun_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSUB_df:
- gen_helper_msa_fsub_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCOR_df:
- gen_helper_msa_fcor_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCEQ_df:
- gen_helper_msa_fceq_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FMUL_df:
- gen_helper_msa_fmul_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCUNE_df:
- gen_helper_msa_fcune_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCUEQ_df:
- gen_helper_msa_fcueq_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FDIV_df:
- gen_helper_msa_fdiv_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCNE_df:
- gen_helper_msa_fcne_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCLT_df:
- gen_helper_msa_fclt_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FMADD_df:
- gen_helper_msa_fmadd_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_FCLE_df:
- gen_helper_msa_fcle_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FCULE_df:
- gen_helper_msa_fcule_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FEXP2_df:
- gen_helper_msa_fexp2_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSAF_df:
- gen_helper_msa_fsaf_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FEXDO_df:
- gen_helper_msa_fexdo_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSUN_df:
- gen_helper_msa_fsun_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSOR_df:
- gen_helper_msa_fsor_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSEQ_df:
- gen_helper_msa_fseq_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FTQ_df:
- gen_helper_msa_ftq_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSUNE_df:
- gen_helper_msa_fsune_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSUEQ_df:
- gen_helper_msa_fsueq_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSNE_df:
- gen_helper_msa_fsne_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FSLT_df:
- gen_helper_msa_fslt_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FMIN_df:
- gen_helper_msa_fmin_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_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_FSULE_df:
- gen_helper_msa_fsule_df(cpu_env, tdf, twd, tws, twt);
- break;
- case OPC_FMAX_A_df:
- gen_helper_msa_fmax_a_df(cpu_env, tdf, twd, tws, twt);
- break;
- default:
- MIPS_INVAL("MSA instruction");
- gen_reserved_instruction(ctx);
- break;
- }
-
- tcg_temp_free_i32(twd);
- tcg_temp_free_i32(tws);
- tcg_temp_free_i32(twt);
-}
-
static bool trans_msa_2r(DisasContext *ctx, arg_msa_r *a,
gen_helper_pii *gen_msa_2r)
{
@@ -1925,11 +1791,6 @@ static bool trans_MSA(DisasContext *ctx, arg_MSA *a)
case OPC_MSA_ELM:
gen_msa_elm(ctx);
break;
- case OPC_MSA_3RF_1A:
- case OPC_MSA_3RF_1B:
- case OPC_MSA_3RF_1C:
- gen_msa_3rf(ctx);
- break;
default:
MIPS_INVAL("MSA instruction");
gen_reserved_instruction(ctx);