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X-Received-From: 2607:f8b0:4864:20::441 Subject: [Qemu-devel] [PATCH v7 34/35] target/riscv: Splice remaining compressed insn pairs for riscv32 vs riscv64 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bastian Koppelmann , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Bastian Koppelmann it splices flwsp_ldsp, fswsp_sdsp, and jal_addiw and makes each of them reuse the code generator used for the non compressed insns. Reviewed-by: Richard Henderson Signed-off-by: Bastian Koppelmann --- target/riscv/insn16-32.decode | 7 +++++ target/riscv/insn16-64.decode | 5 ++++ target/riscv/insn16.decode | 12 ++------ target/riscv/insn32.decode | 3 +- target/riscv/insn_trans/trans_rvc.inc.c | 40 ------------------------- 5 files changed, 16 insertions(+), 51 deletions(-) diff --git a/target/riscv/insn16-32.decode b/target/riscv/insn16-32.decode index e21a701056f1..978b8d5834ee 100644 --- a/target/riscv/insn16-32.decode +++ b/target/riscv/insn16-32.decode @@ -22,3 +22,10 @@ # *** RV32C Standard Extension (Quadrant 0) *** flw 011 ... ... .. ... 00 @cl_w fsw 111 ... ... .. ... 00 @cs_w + +# *** RV32C Standard Extension (Quadrant 1) *** +jal 001 ...... ..... 01 &j imm=%imm_cj rd=1 + +# *** RV32C Standard Extension (Quadrant 2) *** +flw 011 . ..... ..... 10 &i imm=%uimm_6bit_lw %rd rs1=2 +fsw 111 ...... ..... 10 &s imm=%uimm_6bit_sw rs2=2 rs1=%rs2_5 diff --git a/target/riscv/insn16-64.decode b/target/riscv/insn16-64.decode index de97a45acf4b..d43055837a79 100644 --- a/target/riscv/insn16-64.decode +++ b/target/riscv/insn16-64.decode @@ -24,5 +24,10 @@ ld 011 ... ... .. ... 00 @cl_d sd 111 ... ... .. ... 00 @cs_d # *** RV64C Standard Extension (Quadrant 1) *** +addiw 001 . ..... ..... 01 @ci subw 100 1 11 ... 00 ... 01 @cs_2 addw 100 1 11 ... 01 ... 01 @cs_2 + +# *** RV64C Standard Extension (Quadrant 2) *** +ld 011 . ..... ..... 10 &i imm=%uimm_6bit_ld %rd rs1=2 +sd 111 ...... ..... 10 &s imm=%uimm_6bit_sd rs2=%rs2_5 rs1=2 diff --git a/target/riscv/insn16.decode b/target/riscv/insn16.decode index b0753360626b..98dd672c7f59 100644 --- a/target/riscv/insn16.decode +++ b/target/riscv/insn16.decode @@ -45,6 +45,7 @@ &r rd rs1 rs2 !extern &i imm rs1 rd !extern &s imm rs1 rs2 !extern +&j imm rd !extern # Argument sets: &ci imm rd @@ -59,12 +60,10 @@ &c_sd uimm rs2 &c_addi16sp_lui imm_lui imm_addi16sp rd -&c_flwsp_ldsp uimm_flwsp uimm_ldsp rd -&c_fswsp_sdsp uimm_fswsp uimm_sdsp rs2 # Formats 16: @cr .... ..... ..... .. &cr rs2=%rs2_5 %rd -@ci ... . ..... ..... .. &ci imm=%imm_ci %rd +@ci ... . ..... ..... .. &i imm=%imm_ci %rd rs1=%rd @ciw ... ........ ... .. &ciw nzuimm=%nzuimm_ciw rd=%rs2_3 @cl_d ... ... ... .. ... .. &i imm=%uimm_cl_d rs1=%rs1_3 rd=%rs2_3 @cl_w ... ... ... .. ... .. &i imm=%uimm_cl_w rs1=%rs1_3 rd=%rs2_3 @@ -80,10 +79,6 @@ @c_sw ... . ..... ..... .. &c_sd uimm=%uimm_6bit_sw rs2=%rs2_5 @c_addi16sp_lui ... . ..... ..... .. &c_addi16sp_lui %imm_lui %imm_addi16sp %rd -@c_flwsp_ldsp ... . ..... ..... .. &c_flwsp_ldsp uimm_flwsp=%uimm_6bit_lw \ - uimm_ldsp=%uimm_6bit_ld %rd -@c_fswsp_sdsp ... . ..... ..... .. &c_fswsp_sdsp uimm_fswsp=%uimm_6bit_sw \ - uimm_sdsp=%uimm_6bit_sd rs2=%rs2_5 @c_shift ... . .. ... ..... .. &c_shift rd=%rs1_3 shamt=%nzuimm_6bit @c_shift2 ... . .. ... ..... .. &c_shift rd=%rd shamt=%nzuimm_6bit @@ -99,7 +94,6 @@ sw 110 ... ... .. ... 00 @cs_w # *** RV64C Standard Extension (Quadrant 1) *** c_addi 000 . ..... ..... 01 @ci -c_jal_addiw 001 . ..... ..... 01 @ci #Note: parse rd and/or imm manually c_li 010 . ..... ..... 01 @ci c_addi16sp_lui 011 . ..... ..... 01 @c_addi16sp_lui # shares opc with C.LUI c_srli 100 . 00 ... ..... 01 @c_shift @@ -117,9 +111,7 @@ c_bnez 111 ... ... ..... 01 @cb c_slli 000 . ..... ..... 10 @c_shift2 c_fldsp 001 . ..... ..... 10 @c_ld c_lwsp 010 . ..... ..... 10 @c_lw -c_flwsp_ldsp 011 . ..... ..... 10 @c_flwsp_ldsp #C.LDSP:RV64;C.FLWSP:RV32 c_jr_mv 100 0 ..... ..... 10 @cr c_ebreak_jalr_add 100 1 ..... ..... 10 @cr c_fsdsp 101 ...... ..... 10 @c_sd c_swsp 110 . ..... ..... 10 @c_sw -c_fswsp_sdsp 111 . ..... ..... 10 @c_fswsp_sdsp #C.SDSP:RV64;C.FSWSP:RV32 diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index b59a00cc429f..0e098e05fe78 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -38,6 +38,7 @@ &i imm rs1 rd &r rd rs1 rs2 &s imm rs2 rs1 +&j imm rd &shift shamt rs1 rd &atomic aq rl rs2 rs1 rd @@ -47,7 +48,7 @@ @b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1 @s ....... ..... ..... ... ..... ....... &s imm=%imm_s %rs2 %rs1 @u .................... ..... ....... imm=%imm_u %rd -@j .................... ..... ....... imm=%imm_j %rd +@j .................... ..... ....... &j imm=%imm_j %rd @sh ...... ...... ..... ... ..... ....... &shift shamt=%sh10 %rs1 %rd @csr ............ ..... ... ..... ....... %csr %rs1 %rd diff --git a/target/riscv/insn_trans/trans_rvc.inc.c b/target/riscv/insn_trans/trans_rvc.inc.c index f521daf32e55..db9119ec9b17 100644 --- a/target/riscv/insn_trans/trans_rvc.inc.c +++ b/target/riscv/insn_trans/trans_rvc.inc.c @@ -38,19 +38,6 @@ static bool trans_c_addi(DisasContext *ctx, arg_c_addi *a) return trans_addi(ctx, &arg); } -static bool trans_c_jal_addiw(DisasContext *ctx, arg_c_jal_addiw *a) -{ -#ifdef TARGET_RISCV32 - /* C.JAL */ - arg_jal arg = { .rd = 1, .imm = a->imm }; - return trans_jal(ctx, &arg); -#else - /* C.ADDIW */ - arg_addiw arg = { .rd = a->rd, .rs1 = a->rd, .imm = a->imm }; - return trans_addiw(ctx, &arg); -#endif -} - static bool trans_c_li(DisasContext *ctx, arg_c_li *a) { if (a->rd == 0) { @@ -163,20 +150,6 @@ static bool trans_c_lwsp(DisasContext *ctx, arg_c_lwsp *a) return trans_lw(ctx, &arg); } -static bool trans_c_flwsp_ldsp(DisasContext *ctx, arg_c_flwsp_ldsp *a) -{ -#ifdef TARGET_RISCV32 - /* C.FLWSP */ - arg_flw arg_flw = { .rd = a->rd, .rs1 = 2, .imm = a->uimm_flwsp }; - return trans_flw(ctx, &arg_flw); -#else - /* C.LDSP */ - arg_ld arg_ld = { .rd = a->rd, .rs1 = 2, .imm = a->uimm_ldsp }; - return trans_ld(ctx, &arg_ld); -#endif - return false; -} - static bool trans_c_jr_mv(DisasContext *ctx, arg_c_jr_mv *a) { if (a->rd != 0 && a->rs2 == 0) { @@ -222,16 +195,3 @@ static bool trans_c_swsp(DisasContext *ctx, arg_c_swsp *a) arg_sw arg = { .rs1 = 2, .rs2 = a->rs2, .imm = a->uimm }; return trans_sw(ctx, &arg); } - -static bool trans_c_fswsp_sdsp(DisasContext *ctx, arg_c_fswsp_sdsp *a) -{ -#ifdef TARGET_RISCV32 - /* C.FSWSP */ - arg_fsw a_fsw = { .rs1 = a->rs2, .rs2 = 2, .imm = a->uimm_fswsp }; - return trans_fsw(ctx, &a_fsw); -#else - /* C.SDSP */ - arg_sd a_sd = { .rs1 = 2, .rs2 = a->rs2, .imm = a->uimm_sdsp }; - return trans_sd(ctx, &a_sd); -#endif -}