From 9a0bf569fab7398abd46bd07d2ee777fe745f591 Mon Sep 17 00:00:00 2001 From: Léo Gourdin Date: Mon, 29 Mar 2021 10:28:23 +0200 Subject: fix riscv merge? --- riscV/TargetPrinter.ml | 667 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 667 insertions(+) create mode 100644 riscV/TargetPrinter.ml (limited to 'riscV/TargetPrinter.ml') diff --git a/riscV/TargetPrinter.ml b/riscV/TargetPrinter.ml new file mode 100644 index 00000000..aab6b9b8 --- /dev/null +++ b/riscV/TargetPrinter.ml @@ -0,0 +1,667 @@ +(* *********************************************************************) +(* *) +(* The Compcert verified compiler *) +(* *) +(* Xavier Leroy, INRIA Paris-Rocquencourt *) +(* Prashanth Mundkur, SRI International *) +(* *) +(* Copyright Institut National de Recherche en Informatique et en *) +(* Automatique. All rights reserved. This file is distributed *) +(* under the terms of the INRIA Non-Commercial License Agreement. *) +(* *) +(* The contributions by Prashanth Mundkur are reused and adapted *) +(* under the terms of a Contributor License Agreement between *) +(* SRI International and INRIA. *) +(* *) +(* *********************************************************************) + +(* Printing RISC-V assembly code in asm syntax *) + +open Printf +open Camlcoq +open Sections +open AST +open Asm +open AisAnnot +open PrintAsmaux +open Fileinfo + +(* Module containing the printing functions *) + +module Target : TARGET = + struct + +(* Basic printing functions *) + + let comment = "#" + + let symbol = elf_symbol + let symbol_offset = elf_symbol_offset + let label = elf_label + + let print_label oc lbl = label oc (transl_label lbl) + + let use_abi_name = false + + let int_reg_num_name = function + | X1 -> "x1" | X2 -> "x2" | X3 -> "x3" + | X4 -> "x4" | X5 -> "x5" | X6 -> "x6" | X7 -> "x7" + | X8 -> "x8" | X9 -> "x9" | X10 -> "x10" | X11 -> "x11" + | X12 -> "x12" | X13 -> "x13" | X14 -> "x14" | X15 -> "x15" + | X16 -> "x16" | X17 -> "x17" | X18 -> "x18" | X19 -> "x19" + | X20 -> "x20" | X21 -> "x21" | X22 -> "x22" | X23 -> "x23" + | X24 -> "x24" | X25 -> "x25" | X26 -> "x26" | X27 -> "x27" + | X28 -> "x28" | X29 -> "x29" | X30 -> "x30" | X31 -> "x31" + + let int_reg_abi_name = function + | X1 -> "ra" | X2 -> "sp" | X3 -> "gp" + | X4 -> "tp" | X5 -> "t0" | X6 -> "t1" | X7 -> "t2" + | X8 -> "s0" | X9 -> "s1" | X10 -> "a0" | X11 -> "a1" + | X12 -> "a2" | X13 -> "a3" | X14 -> "a4" | X15 -> "a5" + | X16 -> "a6" | X17 -> "a7" | X18 -> "s2" | X19 -> "s3" + | X20 -> "s4" | X21 -> "s5" | X22 -> "s6" | X23 -> "s7" + | X24 -> "s8" | X25 -> "s9" | X26 -> "s10" | X27 -> "s11" + | X28 -> "t3" | X29 -> "t4" | X30 -> "t5" | X31 -> "t6" + + let float_reg_num_name = function + | F0 -> "f0" | F1 -> "f1" | F2 -> "f2" | F3 -> "f3" + | F4 -> "f4" | F5 -> "f5" | F6 -> "f6" | F7 -> "f7" + | F8 -> "f8" | F9 -> "f9" | F10 -> "f10" | F11 -> "f11" + | F12 -> "f12" | F13 -> "f13" | F14 -> "f14" | F15 -> "f15" + | F16 -> "f16" | F17 -> "f17" | F18 -> "f18" | F19 -> "f19" + | F20 -> "f20" | F21 -> "f21" | F22 -> "f22" | F23 -> "f23" + | F24 -> "f24" | F25 -> "f25" | F26 -> "f26" | F27 -> "f27" + | F28 -> "f28" | F29 -> "f29" | F30 -> "f30" | F31 -> "f31" + + let float_reg_abi_name = function + | F0 -> "ft0" | F1 -> "ft1" | F2 -> "ft2" | F3 -> "ft3" + | F4 -> "ft4" | F5 -> "ft5" | F6 -> "ft6" | F7 -> "ft7" + | F8 -> "fs0" | F9 -> "fs1" | F10 -> "fa0" | F11 -> "fa1" + | F12 -> "fa2" | F13 -> "fa3" | F14 -> "fa4" | F15 -> "fa5" + | F16 -> "fa6" | F17 -> "fa7" | F18 -> "fs2" | F19 -> "fs3" + | F20 -> "fs4" | F21 -> "fs5" | F22 -> "fs6" | F23 -> "fs7" + | F24 -> "fs8" | F25 -> "fs9" | F26 ->"fs10" | F27 -> "fs11" + | F28 -> "ft3" | F29 -> "ft4" | F30 -> "ft5" | F31 -> "ft6" + + let int_reg_name = if use_abi_name then int_reg_abi_name else int_reg_num_name + let float_reg_name = if use_abi_name then float_reg_abi_name else float_reg_num_name + + let ireg oc r = output_string oc (int_reg_name r) + let freg oc r = output_string oc (float_reg_name r) + + let ireg0 oc = function + | X0 -> output_string oc "x0" + | X r -> ireg oc r + + let preg_asm oc ty = function + | IR r -> ireg oc r + | FR r -> freg oc r + | _ -> assert false + + let preg_annot = function + | IR r -> int_reg_name r + | FR r -> float_reg_name r + | _ -> assert false + +(* Names of sections *) + + let name_of_section = function + | Section_text -> ".text" + | Section_data(i, true) -> + failwith "_Thread_local unsupported on this platform" + | Section_data(i, false) | Section_small_data i -> + variable_section ~sec:".data" ~bss:".bss" i + | Section_const i | Section_small_const i -> + variable_section ~sec:".section .rodata" i + | Section_string -> ".section .rodata" + | Section_literal -> ".section .rodata" + | Section_jumptable -> ".section .rodata" + | Section_debug_info _ -> ".section .debug_info,\"\",%progbits" + | Section_debug_loc -> ".section .debug_loc,\"\",%progbits" + | Section_debug_abbrev -> ".section .debug_abbrev,\"\",%progbits" + | Section_debug_line _ -> ".section .debug_line,\"\",%progbits" + | Section_debug_ranges -> ".section .debug_ranges,\"\",%progbits" + | Section_debug_str -> ".section .debug_str,\"MS\",%progbits,1" + | Section_user(s, wr, ex) -> + sprintf ".section \"%s\",\"a%s%s\",%%progbits" + s (if wr then "w" else "") (if ex then "x" else "") + | Section_ais_annotation -> sprintf ".section \"__compcert_ais_annotations\",\"\",@note" + + let section oc sec = + fprintf oc " %s\n" (name_of_section sec) + +(* Associate labels to floating-point constants and to symbols. *) + + let emit_constants oc lit = + if exists_constants () then begin + section oc lit; + if Hashtbl.length literal64_labels > 0 then + begin + fprintf oc " .align 3\n"; + Hashtbl.iter + (fun bf lbl -> fprintf oc "%a: .quad 0x%Lx\n" label lbl bf) + literal64_labels + end; + if Hashtbl.length literal32_labels > 0 then + begin + fprintf oc " .align 2\n"; + Hashtbl.iter + (fun bf lbl -> + fprintf oc "%a: .long 0x%lx\n" label lbl bf) + literal32_labels + end; + reset_literals () + end + +(* Generate code to load the address of id + ofs in register r *) + + let loadsymbol oc r id ofs = + if Archi.pic_code () then begin + assert (ofs = Integers.Ptrofs.zero); + fprintf oc " la %a, %s\n" ireg r (extern_atom id) + end else begin + fprintf oc " lui %a, %%hi(%a)\n" + ireg r symbol_offset (id, ofs); + fprintf oc " addi %a, %a, %%lo(%a)\n" + ireg r ireg r symbol_offset (id, ofs) + end + +(* Emit .file / .loc debugging directives *) + + let print_file_line oc file line = + print_file_line oc comment file line + +(* + let print_location oc loc = + if loc <> Cutil.no_loc then print_file_line oc (fst loc) (snd loc) +*) + +(* Add "w" suffix to 32-bit instructions if we are in 64-bit mode *) + + let w oc = + if Archi.ptr64 then output_string oc "w" + +(* Offset part of a load or store *) + + let offset oc = function + | Ofsimm n -> ptrofs oc n + | Ofslow(id, ofs) -> fprintf oc "%%lo(%a)" symbol_offset (id, ofs) + +(* Printing of instructions *) + let print_instruction oc = function + | Pmv(rd, rs) -> + fprintf oc " mv %a, %a\n" ireg rd ireg rs + + (* 32-bit integer register-immediate instructions *) + | Paddiw (rd, rs, imm) -> + fprintf oc " addi%t %a, %a, %a\n" w ireg rd ireg0 rs coqint imm + | Psltiw (rd, rs, imm) -> + fprintf oc " slti %a, %a, %a\n" ireg rd ireg0 rs coqint imm + | Psltiuw (rd, rs, imm) -> + fprintf oc " sltiu %a, %a, %a\n" ireg rd ireg0 rs coqint imm + | Pandiw (rd, rs, imm) -> + fprintf oc " andi %a, %a, %a\n" ireg rd ireg0 rs coqint imm + | Poriw (rd, rs, imm) -> + fprintf oc " ori %a, %a, %a\n" ireg rd ireg0 rs coqint imm + | Pxoriw (rd, rs, imm) -> + fprintf oc " xori %a, %a, %a\n" ireg rd ireg0 rs coqint imm + | Pslliw (rd, rs, imm) -> + fprintf oc " slli%t %a, %a, %a\n" w ireg rd ireg0 rs coqint imm + | Psrliw (rd, rs, imm) -> + fprintf oc " srli%t %a, %a, %a\n" w ireg rd ireg0 rs coqint imm + | Psraiw (rd, rs, imm) -> + fprintf oc " srai%t %a, %a, %a\n" w ireg rd ireg0 rs coqint imm + | Pluiw (rd, imm) -> + fprintf oc " lui %a, %a\n" ireg rd coqint imm + + (* 32-bit integer register-register instructions *) + | Paddw(rd, rs1, rs2) -> + fprintf oc " add%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + | Psubw(rd, rs1, rs2) -> + fprintf oc " sub%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + + | Pmulw(rd, rs1, rs2) -> + fprintf oc " mul%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + | Pmulhw(rd, rs1, rs2) -> assert (not Archi.ptr64); + fprintf oc " mulh %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Pmulhuw(rd, rs1, rs2) -> assert (not Archi.ptr64); + fprintf oc " mulhu %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + + | Pdivw(rd, rs1, rs2) -> + fprintf oc " div%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + | Pdivuw(rd, rs1, rs2) -> + fprintf oc " divu%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + | Premw(rd, rs1, rs2) -> + fprintf oc " rem%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + | Premuw(rd, rs1, rs2) -> + fprintf oc " remu%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + + | Psltw(rd, rs1, rs2) -> + fprintf oc " slt %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Psltuw(rd, rs1, rs2) -> + fprintf oc " sltu %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + + | Pandw(rd, rs1, rs2) -> + fprintf oc " and %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Porw(rd, rs1, rs2) -> + fprintf oc " or %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Pxorw(rd, rs1, rs2) -> + fprintf oc " xor %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Psllw(rd, rs1, rs2) -> + fprintf oc " sll%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + | Psrlw(rd, rs1, rs2) -> + fprintf oc " srl%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + | Psraw(rd, rs1, rs2) -> + fprintf oc " sra%t %a, %a, %a\n" w ireg rd ireg0 rs1 ireg0 rs2 + + (* 64-bit integer register-immediate instructions *) + | Paddil (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " addi %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Psltil (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " slti %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Psltiul (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " sltiu %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Pandil (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " andi %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Poril (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " ori %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Pxoril (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " xori %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Psllil (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " slli %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Psrlil (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " srli %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Psrail (rd, rs, imm) -> assert Archi.ptr64; + fprintf oc " srai %a, %a, %a\n" ireg rd ireg0 rs coqint64 imm + | Pluil (rd, imm) -> assert Archi.ptr64; + fprintf oc " lui %a, %a\n" ireg rd coqint64 imm + + (* 64-bit integer register-register instructions *) + | Paddl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " add %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Psubl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " sub %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + + | Pmull(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " mul %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Pmulhl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " mulh %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Pmulhul(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " mulhu %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + + | Pdivl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " div %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Pdivul(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " divu %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Preml(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " rem %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Premul(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " remu %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + + | Psltl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " slt %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Psltul(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " sltu %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + + | Pandl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " and %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Porl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " or %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Pxorl(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " xor %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Pslll(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " sll %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Psrll(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " srl %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + | Psral(rd, rs1, rs2) -> assert Archi.ptr64; + fprintf oc " sra %a, %a, %a\n" ireg rd ireg0 rs1 ireg0 rs2 + + (* Unconditional jumps. Links are always to X1/RA. *) + (* TODO: fix up arguments for calls to variadics, to move *) + (* floating point arguments to integer registers. How? *) + | Pj_l(l) -> + fprintf oc " j %a\n" print_label l + | Pj_s(s, sg) -> + fprintf oc " j %a\n" symbol s + | Pj_r(r, sg) -> + fprintf oc " jr %a\n" ireg r + | Pjal_s(s, sg) -> + fprintf oc " call %a\n" symbol s + | Pjal_r(r, sg) -> + fprintf oc " jalr %a\n" ireg r + + (* Conditional branches, 32-bit comparisons *) + | Pbeqw(rs1, rs2, l) -> + fprintf oc " beq %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbnew(rs1, rs2, l) -> + fprintf oc " bne %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbltw(rs1, rs2, l) -> + fprintf oc " blt %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbltuw(rs1, rs2, l) -> + fprintf oc " bltu %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbgew(rs1, rs2, l) -> + fprintf oc " bge %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbgeuw(rs1, rs2, l) -> + fprintf oc " bgeu %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + + (* Conditional branches, 64-bit comparisons *) + | Pbeql(rs1, rs2, l) -> assert Archi.ptr64; + fprintf oc " beq %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbnel(rs1, rs2, l) -> assert Archi.ptr64; + fprintf oc " bne %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbltl(rs1, rs2, l) -> assert Archi.ptr64; + fprintf oc " blt %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbltul(rs1, rs2, l) -> assert Archi.ptr64; + fprintf oc " bltu %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbgel(rs1, rs2, l) -> assert Archi.ptr64; + fprintf oc " bge %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + | Pbgeul(rs1, rs2, l) -> assert Archi.ptr64; + fprintf oc " bgeu %a, %a, %a\n" ireg0 rs1 ireg0 rs2 print_label l + + (* Loads and stores *) + | Plb(rd, ra, ofs) -> + fprintf oc " lb %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Plbu(rd, ra, ofs) -> + fprintf oc " lbu %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Plh(rd, ra, ofs) -> + fprintf oc " lh %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Plhu(rd, ra, ofs) -> + fprintf oc " lhu %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Plw(rd, ra, ofs) | Plw_a(rd, ra, ofs) -> + fprintf oc " lw %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Pld(rd, ra, ofs) | Pld_a(rd, ra, ofs) -> assert Archi.ptr64; + fprintf oc " ld %a, %a(%a)\n" ireg rd offset ofs ireg ra + + | Psb(rd, ra, ofs) -> + fprintf oc " sb %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Psh(rd, ra, ofs) -> + fprintf oc " sh %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Psw(rd, ra, ofs) | Psw_a(rd, ra, ofs) -> + fprintf oc " sw %a, %a(%a)\n" ireg rd offset ofs ireg ra + | Psd(rd, ra, ofs) | Psd_a(rd, ra, ofs) -> assert Archi.ptr64; + fprintf oc " sd %a, %a(%a)\n" ireg rd offset ofs ireg ra + + + (* Synchronization *) + | Pfence -> + fprintf oc " fence\n" + + (* floating point register move. + fmv.d preserves single-precision register contents, and hence + is applicable to both single- and double-precision moves. + *) + | Pfmv (fd,fs) -> + fprintf oc " fmv.d %a, %a\n" freg fd freg fs + | Pfmvxs (rd,fs) -> + fprintf oc " fmv.x.s %a, %a\n" ireg rd freg fs + | Pfmvsx (fd,rs) -> + fprintf oc " fmv.s.x %a, %a\n" freg fd ireg rs + | Pfmvxd (rd,fs) -> + fprintf oc " fmv.x.d %a, %a\n" ireg rd freg fs + | Pfmvdx (fd,rs) -> + fprintf oc " fmv.d.x %a, %a\n" freg fd ireg rs + + (* 32-bit (single-precision) floating point *) + | Pfls (fd, ra, ofs) -> + fprintf oc " flw %a, %a(%a)\n" freg fd offset ofs ireg ra + | Pfss (fs, ra, ofs) -> + fprintf oc " fsw %a, %a(%a)\n" freg fs offset ofs ireg ra + + | Pfnegs (fd, fs) -> + fprintf oc " fneg.s %a, %a\n" freg fd freg fs + | Pfabss (fd, fs) -> + fprintf oc " fabs.s %a, %a\n" freg fd freg fs + + | Pfadds (fd, fs1, fs2) -> + fprintf oc " fadd.s %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfsubs (fd, fs1, fs2) -> + fprintf oc " fsub.s %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfmuls (fd, fs1, fs2) -> + fprintf oc " fmul.s %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfdivs (fd, fs1, fs2) -> + fprintf oc " fdiv.s %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfmins (fd, fs1, fs2) -> + fprintf oc " fmin.s %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfmaxs (fd, fs1, fs2) -> + fprintf oc " fmax.s %a, %a, %a\n" freg fd freg fs1 freg fs2 + + | Pfeqs (rd, fs1, fs2) -> + fprintf oc " feq.s %a, %a, %a\n" ireg rd freg fs1 freg fs2 + | Pflts (rd, fs1, fs2) -> + fprintf oc " flt.s %a, %a, %a\n" ireg rd freg fs1 freg fs2 + | Pfles (rd, fs1, fs2) -> + fprintf oc " fle.s %a, %a, %a\n" ireg rd freg fs1 freg fs2 + + | Pfsqrts (fd, fs) -> + fprintf oc " fsqrt.s %a, %a\n" freg fd freg fs + + | Pfmadds (fd, fs1, fs2, fs3) -> + fprintf oc " fmadd.s %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + | Pfmsubs (fd, fs1, fs2, fs3) -> + fprintf oc " fmsub.s %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + | Pfnmadds (fd, fs1, fs2, fs3) -> + fprintf oc " fnmadd.s %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + | Pfnmsubs (fd, fs1, fs2, fs3) -> + fprintf oc " fnmsub.s %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + + | Pfcvtws (rd, fs) -> + fprintf oc " fcvt.w.s %a, %a, rtz\n" ireg rd freg fs + | Pfcvtwus (rd, fs) -> + fprintf oc " fcvt.wu.s %a, %a, rtz\n" ireg rd freg fs + | Pfcvtsw (fd, rs) -> + fprintf oc " fcvt.s.w %a, %a\n" freg fd ireg0 rs + | Pfcvtswu (fd, rs) -> + fprintf oc " fcvt.s.wu %a, %a\n" freg fd ireg0 rs + + | Pfcvtls (rd, fs) -> assert Archi.ptr64; + fprintf oc " fcvt.l.s %a, %a, rtz\n" ireg rd freg fs + | Pfcvtlus (rd, fs) -> assert Archi.ptr64; + fprintf oc " fcvt.lu.s %a, %a, rtz\n" ireg rd freg fs + | Pfcvtsl (fd, rs) -> assert Archi.ptr64; + fprintf oc " fcvt.s.l %a, %a\n" freg fd ireg0 rs + | Pfcvtslu (fd, rs) -> assert Archi.ptr64; + fprintf oc " fcvt.s.lu %a, %a\n" freg fd ireg0 rs + + (* 64-bit (double-precision) floating point *) + | Pfld (fd, ra, ofs) | Pfld_a (fd, ra, ofs) -> + fprintf oc " fld %a, %a(%a)\n" freg fd offset ofs ireg ra + | Pfsd (fs, ra, ofs) | Pfsd_a (fs, ra, ofs) -> + fprintf oc " fsd %a, %a(%a)\n" freg fs offset ofs ireg ra + + | Pfnegd (fd, fs) -> + fprintf oc " fneg.d %a, %a\n" freg fd freg fs + | Pfabsd (fd, fs) -> + fprintf oc " fabs.d %a, %a\n" freg fd freg fs + + | Pfaddd (fd, fs1, fs2) -> + fprintf oc " fadd.d %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfsubd (fd, fs1, fs2) -> + fprintf oc " fsub.d %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfmuld (fd, fs1, fs2) -> + fprintf oc " fmul.d %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfdivd (fd, fs1, fs2) -> + fprintf oc " fdiv.d %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfmind (fd, fs1, fs2) -> + fprintf oc " fmin.d %a, %a, %a\n" freg fd freg fs1 freg fs2 + | Pfmaxd (fd, fs1, fs2) -> + fprintf oc " fmax.d %a, %a, %a\n" freg fd freg fs1 freg fs2 + + | Pfeqd (rd, fs1, fs2) -> + fprintf oc " feq.d %a, %a, %a\n" ireg rd freg fs1 freg fs2 + | Pfltd (rd, fs1, fs2) -> + fprintf oc " flt.d %a, %a, %a\n" ireg rd freg fs1 freg fs2 + | Pfled (rd, fs1, fs2) -> + fprintf oc " fle.d %a, %a, %a\n" ireg rd freg fs1 freg fs2 + + | Pfsqrtd (fd, fs) -> + fprintf oc " fsqrt.d %a, %a\n" freg fd freg fs + + | Pfmaddd (fd, fs1, fs2, fs3) -> + fprintf oc " fmadd.d %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + | Pfmsubd (fd, fs1, fs2, fs3) -> + fprintf oc " fmsub.d %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + | Pfnmaddd (fd, fs1, fs2, fs3) -> + fprintf oc " fnmadd.d %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + | Pfnmsubd (fd, fs1, fs2, fs3) -> + fprintf oc " fnmsub.d %a, %a, %a, %a\n" freg fd freg fs1 freg fs2 freg fs3 + + | Pfcvtwd (rd, fs) -> + fprintf oc " fcvt.w.d %a, %a, rtz\n" ireg rd freg fs + | Pfcvtwud (rd, fs) -> + fprintf oc " fcvt.wu.d %a, %a, rtz\n" ireg rd freg fs + | Pfcvtdw (fd, rs) -> + fprintf oc " fcvt.d.w %a, %a\n" freg fd ireg0 rs + | Pfcvtdwu (fd, rs) -> + fprintf oc " fcvt.d.wu %a, %a\n" freg fd ireg0 rs + + | Pfcvtld (rd, fs) -> assert Archi.ptr64; + fprintf oc " fcvt.l.d %a, %a, rtz\n" ireg rd freg fs + | Pfcvtlud (rd, fs) -> assert Archi.ptr64; + fprintf oc " fcvt.lu.d %a, %a, rtz\n" ireg rd freg fs + | Pfcvtdl (fd, rs) -> assert Archi.ptr64; + fprintf oc " fcvt.d.l %a, %a\n" freg fd ireg0 rs + | Pfcvtdlu (fd, rs) -> assert Archi.ptr64; + fprintf oc " fcvt.d.lu %a, %a\n" freg fd ireg0 rs + + | Pfcvtds (fd, fs) -> + fprintf oc " fcvt.d.s %a, %a\n" freg fd freg fs + | Pfcvtsd (fd, fs) -> + fprintf oc " fcvt.s.d %a, %a\n" freg fd freg fs + + (* Pseudo-instructions expanded in Asmexpand *) + | Pselectl(_, _, _, _) -> + assert false + | Pallocframe(sz, ofs) -> + assert false + | Pfreeframe(sz, ofs) -> + assert false + | Pseqw _ | Psnew _ | Pseql _ | Psnel _ | Pcvtl2w _ | Pcvtw2l _ -> + assert false + + (* Pseudo-instructions that remain *) + | Plabel lbl -> + fprintf oc "%a:\n" print_label lbl + | Ploadsymbol(rd, id, ofs) -> + loadsymbol oc rd id ofs + | Ploadsymbol_high(rd, id, ofs) -> + fprintf oc " lui %a, %%hi(%a)\n" ireg rd symbol_offset (id, ofs) + | Ploadli(rd, n) -> + let d = camlint64_of_coqint n in + let lbl = label_literal64 d in + fprintf oc " ld %a, %a %s %Lx\n" ireg rd label lbl comment d + | Ploadfi(rd, f) -> + let d = camlint64_of_coqint(Floats.Float.to_bits f) in + let lbl = label_literal64 d in + fprintf oc " fld %a, %a, x31 %s %.18g\n" + freg rd label lbl comment (camlfloat_of_coqfloat f) + | Ploadsi(rd, f) -> + let s = camlint_of_coqint(Floats.Float32.to_bits f) in + let lbl = label_literal32 s in + fprintf oc " flw %a, %a, x31 %s %.18g\n" + freg rd label lbl comment (camlfloat_of_coqfloat32 f) + | Pbtbl(r, tbl) -> + let lbl = new_label() in + fprintf oc "%s jumptable [ " comment; + List.iter (fun l -> fprintf oc "%a " print_label l) tbl; + fprintf oc "]\n"; + fprintf oc " sll x5, %a, 2\n" ireg r; + fprintf oc " la x31, %a\n" label lbl; + fprintf oc " add x5, x31, x5\n"; + fprintf oc " lw x5, 0(x5)\n"; + fprintf oc " add x5, x31, x5\n"; + fprintf oc " jr x5\n"; + jumptables := (lbl, tbl) :: !jumptables; + fprintf oc "%s end pseudoinstr btbl\n" comment + | Pnop -> + fprintf oc " nop\n" + | Pbuiltin(ef, args, res) -> + begin match ef with + | EF_annot(kind,txt, targs) -> + begin match (P.to_int kind) with + | 1 -> let annot = annot_text preg_annot "x2" (camlstring_of_coqstring txt) args in + fprintf oc "%s annotation: %S\n" comment annot + | 2 -> let lbl = new_label () in + fprintf oc "%a:\n" label lbl; + add_ais_annot lbl preg_annot "x2" (camlstring_of_coqstring txt) args + | _ -> assert false + end + | EF_debug(kind, txt, targs) -> + print_debug_info comment print_file_line preg_annot "sp" oc + (P.to_int kind) (extern_atom txt) args + | EF_inline_asm(txt, sg, clob) -> + fprintf oc "%s begin inline assembly\n\t" comment; + print_inline_asm preg_asm oc (camlstring_of_coqstring txt) sg args res; + fprintf oc "%s end inline assembly\n" comment + | _ -> + assert false + end + + let get_section_names name = + let (text, lit) = + match C2C.atom_sections name with + | t :: l :: _ -> (t, l) + | _ -> (Section_text, Section_literal) in + text,lit,Section_jumptable + + let print_align oc alignment = + fprintf oc " .balign %d\n" alignment + + let print_jumptable oc jmptbl = + let print_tbl oc (lbl, tbl) = + fprintf oc "%a:\n" label lbl; + List.iter + (fun l -> fprintf oc " .long %a - %a\n" + print_label l label lbl) + tbl in + if !jumptables <> [] then + begin + section oc jmptbl; + fprintf oc " .balign 4\n"; + List.iter (print_tbl oc) !jumptables; + jumptables := [] + end + + let print_fun_info = elf_print_fun_info + + let print_optional_fun_info _ = () + + let print_var_info = elf_print_var_info + + let print_comm_symb oc sz name align = + if C2C.atom_is_static name then + fprintf oc " .local %a\n" symbol name; + fprintf oc " .comm %a, %s, %d\n" + symbol name + (Z.to_string sz) + align + + let print_instructions oc fn = + current_function_sig := fn.fn_sig; + List.iter (print_instruction oc) fn.fn_code + + +(* Data *) + + let address = if Archi.ptr64 then ".quad" else ".long" + + let print_prologue oc = + fprintf oc " .option %s\n" (if Archi.pic_code() then "pic" else "nopic"); + if !Clflags.option_g then begin + section oc Section_text; + end + + let print_epilogue oc = + if !Clflags.option_g then begin + Debug.compute_gnu_file_enum (fun f -> ignore (print_file oc f)); + section oc Section_text; + end + + let default_falignment = 2 + + let cfi_startproc oc = () + let cfi_endproc oc = () + + end + +let sel_target () = + (module Target:TARGET) -- cgit