From a8d23e84e6e48637adb14295b098eb7800a19b0a Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Fri, 27 Aug 2010 17:20:16 +0200
Subject: [PATCH] PPC: Add build rules and preprocessed skeleton for PPCSPE
 target.

---
 src/Makefile         |   36 +-
 src/buildvm.c        |    3 +
 src/buildvm_ppcspe.h | 1100 ++++++++++++++++++++++++++++++++++++++++++
 src/lib_jit.c        |    4 +-
 4 files changed, 1122 insertions(+), 21 deletions(-)
 create mode 100644 src/buildvm_ppcspe.h

diff --git a/src/Makefile b/src/Makefile
index ed5f0bf5..24d32656 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -257,6 +257,7 @@ DASM_DISTFLAGS= -LN
 DASM_FLAGS_X86=
 DASM_FLAGS_X64= -D X64
 DASM_FLAGS_X64WIN= -D X64 -D X64WIN
+DASM_FLAGS_PPCSPE= -D SPE
 
 BUILDVM_O= buildvm.o buildvm_asm.o buildvm_peobj.o buildvm_lib.o buildvm_fold.o
 BUILDVM_T= buildvm
@@ -296,9 +297,9 @@ LUAJIT_SO= libluajit.so
 LUAJIT_T= luajit
 
 ALL_T= $(LUAJIT_T) $(LUAJIT_A) $(LUAJIT_SO) $(BUILDVM_T)
-ALL_GEN= $(LJVM_S) lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h \
-	 $(LIB_VMDEFP) lj_folddef.h
-ALL_DYNGEN= buildvm_*.h
+ALL_HDRGEN= lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h lj_folddef.h
+ALL_GEN= $(LJVM_S) $(ALL_HDRGEN) $(LIB_VMDEFP)
+ALL_DYNGEN= buildvm_x86.h buildvm_x64.h buildvm_x64win.h buildvm_ppcspe.h
 WIN_RM= *.obj *.lib *.exp *.dll *.exe *.manifest *.pdb *.ilk
 ALL_RM= $(ALL_T) $(ALL_GEN) *.o $(WIN_RM)
 
@@ -381,28 +382,19 @@ distclean:	clean
 	$(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_X86) -o buildvm_x86.h buildvm_x86.dasc
 	$(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_X64) -o buildvm_x64.h buildvm_x86.dasc
 	$(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_X64WIN) -o buildvm_x64win.h buildvm_x86.dasc
+	$(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_PPCSPE) -o buildvm_ppcspe.h buildvm_ppc.dasc
 
 depend:
-	@test -f lj_bcdef.h || touch lj_bcdef.h
-	@test -f lj_ffdef.h || touch lj_ffdef.h
-	@test -f lj_libdef.h || touch lj_libdef.h
-	@test -f lj_recdef.h || touch lj_recdef.h
-	@test -f lj_folddef.h || touch lj_folddef.h
-	@test -f buildvm_x86.h || touch buildvm_x86.h
-	@test -f buildvm_x64.h || touch buildvm_x64.h
-	@test -f buildvm_x64win.h || touch buildvm_x64win.h
+	@for file in $(ALL_HDRGEN) $(ALL_DYNGEN); do \
+	  test -f $$file || touch $$file; \
+	  done
 	@$(HOST_CC) $(HOST_ACFLAGS) -MM *.c | \
 	  sed -e "s| [^ ]*/dasm_\S*\.h||g" \
 	      -e "s| buildvm_\S*\.h||g" \
 	      -e "s| lj_target_\S*\.h| lj_target_*.h|g" >Makefile.dep
-	@test -s lj_bcdef.h || $(HOST_RM) lj_bcdef.h
-	@test -s lj_ffdef.h || $(HOST_RM) lj_ffdef.h
-	@test -s lj_libdef.h || $(HOST_RM) lj_libdef.h
-	@test -s lj_recdef.h || $(HOST_RM) lj_recdef.h
-	@test -s lj_folddef.h || $(HOST_RM) lj_folddef.h
-	@test -s buildvm_x86.h || $(HOST_RM) buildvm_x86.h
-	@test -s buildvm_x64.h || $(HOST_RM) buildvm_x64.h
-	@test -s buildvm_x64win.h || $(HOST_RM) buildvm_x64win.h
+	@for file in $(ALL_HDRGEN) $(ALL_DYNGEN); do \
+	  test -s $$file || $(HOST_RM) $$file; \
+	  done
 
 .PHONY: default all amalg clean cleaner distclean depend
 
@@ -422,7 +414,11 @@ buildvm_x64win.h: buildvm_x86.dasc
 	$(E) "DYNASM    $@"
 	$(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_X64WIN) -o $@ buildvm_x86.dasc
 
-buildvm.o: buildvm_x86.h buildvm_x64.h buildvm_x64win.h $(DASM_DIR)/dasm_*.h
+buildvm_ppcspe.h: buildvm_ppc.dasc
+	$(E) "DYNASM    $@"
+	$(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_PPCSPE) -o $@ buildvm_ppc.dasc
+
+buildvm.o: $(ALL_DYNGEN) $(DASM_DIR)/dasm_*.h
 
 $(BUILDVM_T): $(BUILDVM_O)
 	$(E) "HOSTLINK  $@"
diff --git a/src/buildvm.c b/src/buildvm.c
index b11dbbea..c2011070 100644
--- a/src/buildvm.c
+++ b/src/buildvm.c
@@ -73,6 +73,9 @@ static int collect_reloc(BuildCtx *ctx, uint8_t *addr, int idx, int type);
 #else
 #include "buildvm_x64.h"
 #endif
+#elif LJ_TARGET_PPCSPE
+#include "../dynasm/dasm_ppc.h"
+#include "buildvm_ppcspe.h"
 #else
 #error "No support for this architecture (yet)"
 #endif
diff --git a/src/buildvm_ppcspe.h b/src/buildvm_ppcspe.h
new file mode 100644
index 00000000..9a066bc6
--- /dev/null
+++ b/src/buildvm_ppcspe.h
@@ -0,0 +1,1100 @@
+/*
+** This file has been pre-processed with DynASM.
+** http://luajit.org/dynasm.html
+** DynASM version 1.2.1, DynASM ppc version 1.2.1
+** DO NOT EDIT! The original file is in "buildvm_ppc.dasc".
+*/
+
+#if DASM_VERSION != 10201
+#error "Version mismatch between DynASM and included encoding engine"
+#endif
+
+#define DASM_SECTION_CODE_OP	0
+#define DASM_SECTION_CODE_SUB	1
+#define DASM_MAXSECTION		2
+static const unsigned int build_actionlist[462] = {
+0x00010001,
+0x00060014,
+0x7c810808,
+0x00060015,
+0x7c810808,
+0x00060016,
+0x7c810808,
+0x00060017,
+0x7c810808,
+0x00060018,
+0x7c810808,
+0x00060019,
+0x7c810808,
+0x0006001a,
+0x7c810808,
+0x0006001b,
+0x7c810808,
+0x0006001c,
+0x7c810808,
+0x0006001d,
+0x7c810808,
+0x0006001e,
+0x7c810808,
+0x0006001f,
+0x7c810808,
+0x00060020,
+0x7c810808,
+0x00060021,
+0x7c810808,
+0x00060022,
+0x7c810808,
+0x00060023,
+0x7c810808,
+0x00060024,
+0x7c810808,
+0x00060025,
+0x7c810808,
+0x00060026,
+0x7c810808,
+0x00060027,
+0x7c810808,
+0x00060028,
+0x7c810808,
+0x00060029,
+0x00000000,
+0x7c810808,
+0x0006002a,
+0x7c810808,
+0x0006002b,
+0x7c810808,
+0x0006002c,
+0x7c810808,
+0x0006002d,
+0x7c810808,
+0x0006002e,
+0x7c810808,
+0x0006002f,
+0x7c810808,
+0x00060030,
+0x7c810808,
+0x00060031,
+0x7c810808,
+0x00060032,
+0x7c810808,
+0x00060033,
+0x7c810808,
+0x00060034,
+0x7c810808,
+0x00060035,
+0x7c810808,
+0x00060036,
+0x7c810808,
+0x00060037,
+0x7c810808,
+0x00060038,
+0x7c810808,
+0x00060039,
+0x7c810808,
+0x0006003a,
+0x7c810808,
+0x0006003b,
+0x7c810808,
+0x0006003c,
+0x7c810808,
+0x0006003d,
+0x7c810808,
+0x0006003e,
+0x7c810808,
+0x7c810808,
+0x0006003f,
+0x00000000,
+0x7c810808,
+0x7c810808,
+0x00060040,
+0x7c810808,
+0x7c810808,
+0x00060041,
+0x7c810808,
+0x00060042,
+0x7c810808,
+0x7c810808,
+0x00060043,
+0x7c810808,
+0x7c810808,
+0x00060044,
+0x7c810808,
+0x00060045,
+0x7c810808,
+0x7c810808,
+0x00060046,
+0x7c810808,
+0x7c810808,
+0x00060047,
+0x7c810808,
+0x00060048,
+0x7c810808,
+0x7c810808,
+0x00060049,
+0x7c810808,
+0x7c810808,
+0x0006004a,
+0x7c810808,
+0x7c810808,
+0x0006004b,
+0x7c810808,
+0x7c810808,
+0x0006004c,
+0x7c810808,
+0x0006004d,
+0x7c810808,
+0x0006004e,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x0006004f,
+0x7c810808,
+0x00060050,
+0x7c810808,
+0x00060051,
+0x7c810808,
+0x00060052,
+0x7c810808,
+0x00060053,
+0x7c810808,
+0x00060054,
+0x7c810808,
+0x00060055,
+0x00000000,
+0x7c810808,
+0x00060056,
+0x7c810808,
+0x00060057,
+0x7c810808,
+0x00060058,
+0x7c810808,
+0x00060059,
+0x7c810808,
+0x0006005a,
+0x7c810808,
+0x0006005b,
+0x7c810808,
+0x0006005c,
+0x7c810808,
+0x0006005d,
+0x7c810808,
+0x0006005e,
+0x7c810808,
+0x0006005f,
+0x7c810808,
+0x00060060,
+0x7c810808,
+0x00060061,
+0x7c810808,
+0x00060062,
+0x00060063,
+0x7c810808,
+0x7c810808,
+0x00060064,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060065,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060066,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060067,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060068,
+0x7c810808,
+0x7c810808,
+0x00060069,
+0x7c810808,
+0x7c810808,
+0x0006006a,
+0x7c810808,
+0x7c810808,
+0x0006006b,
+0x00000000,
+0x7c810808,
+0x0006006c,
+0x7c810808,
+0x0006006d,
+0x7c810808,
+0x0006006e,
+0x7c810808,
+0x0006006f,
+0x7c810808,
+0x00060070,
+0x7c810808,
+0x7c810808,
+0x00060071,
+0x7c810808,
+0x7c810808,
+0x00060072,
+0x7c810808,
+0x7c810808,
+0x00060073,
+0x7c810808,
+0x7c810808,
+0x00060074,
+0x7c810808,
+0x7c810808,
+0x00060075,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060076,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060077,
+0x7c810808,
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+0x7c810808,
+0x7c810808,
+0x00060078,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060079,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x0006007a,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x0006007b,
+0x7c810808,
+0x0006007c,
+0x7c810808,
+0x0006007d,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x0006007e,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x0006007f,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060080,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060081,
+0x00000000,
+0x7c810808,
+0x7c810808,
+0x7c810808,
+0x00060082,
+0x7c810808,
+0x00060083,
+0x7c810808,
+0x00060084,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x00060085,
+0x7c810808,
+0x00060086,
+0x7c810808,
+0x00060087,
+0x7c810808,
+0x00060088,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x00060089,
+0x7c810808,
+0x0006008a,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x0006008b,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x0006008c,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x0006008d,
+0x7c810808,
+0x0006008e,
+0x7c810808,
+0x0006008f,
+0x7c810808,
+0x00060090,
+0x7c810808,
+0x00060091,
+0x7c810808,
+0x00060092,
+0x7c810808,
+0x00060093,
+0x7c810808,
+0x00060094,
+0x7c810808,
+0x00060095,
+0x7c810808,
+0x00060096,
+0x7c810808,
+0x00000000,
+0x00080000,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x7c810808,
+0x00000000,
+0x00010000
+};
+
+enum {
+  GLOB_vm_returnp,
+  GLOB_vm_returnc,
+  GLOB_vm_return,
+  GLOB_vm_leave_cp,
+  GLOB_vm_leave_unw,
+  GLOB_vm_unwind_c,
+  GLOB_vm_unwind_c_eh,
+  GLOB_vm_unwind_ff,
+  GLOB_vm_unwind_ff_eh,
+  GLOB_vm_growstack_c,
+  GLOB_vm_growstack_l,
+  GLOB_vm_resume,
+  GLOB_vm_pcall,
+  GLOB_vm_call,
+  GLOB_vm_call_dispatch,
+  GLOB_vm_call_dispatch_f,
+  GLOB_vm_cpcall,
+  GLOB_cont_dispatch,
+  GLOB_cont_cat,
+  GLOB_vmeta_tgets,
+  GLOB_vmeta_tgetb,
+  GLOB_vmeta_tgetv,
+  GLOB_vmeta_tsets,
+  GLOB_vmeta_tsetb,
+  GLOB_vmeta_tsetv,
+  GLOB_vmeta_comp,
+  GLOB_cont_nop,
+  GLOB_cont_ra,
+  GLOB_cont_condt,
+  GLOB_cont_condf,
+  GLOB_vmeta_equal,
+  GLOB_vmeta_arith_vn,
+  GLOB_vmeta_arith_nv,
+  GLOB_vmeta_unm,
+  GLOB_vmeta_arith_vv,
+  GLOB_vmeta_binop,
+  GLOB_vmeta_len,
+  GLOB_vmeta_call_ra,
+  GLOB_vmeta_call,
+  GLOB_vmeta_for,
+  GLOB_ff_assert,
+  GLOB_ff_type,
+  GLOB_ff_getmetatable,
+  GLOB_ff_setmetatable,
+  GLOB_ff_rawget,
+  GLOB_ff_tonumber,
+  GLOB_ff_tostring,
+  GLOB_ff_next,
+  GLOB_fff_res2,
+  GLOB_ff_pairs,
+  GLOB_ff_ipairs_aux,
+  GLOB_fff_res0,
+  GLOB_ff_ipairs,
+  GLOB_ff_pcall,
+  GLOB_ff_xpcall,
+  GLOB_ff_coroutine_resume,
+  GLOB_ff_coroutine_wrap_aux,
+  GLOB_ff_coroutine_yield,
+  GLOB_ff_math_abs,
+  GLOB_fff_res1,
+  GLOB_fff_res,
+  GLOB_ff_math_floor,
+  GLOB_ff_math_ceil,
+  GLOB_ff_math_sqrt,
+  GLOB_ff_math_log,
+  GLOB_ff_math_log10,
+  GLOB_ff_math_exp,
+  GLOB_ff_math_sin,
+  GLOB_ff_math_cos,
+  GLOB_ff_math_tan,
+  GLOB_ff_math_asin,
+  GLOB_ff_math_acos,
+  GLOB_ff_math_atan,
+  GLOB_ff_math_sinh,
+  GLOB_ff_math_cosh,
+  GLOB_ff_math_tanh,
+  GLOB_ff_math_atan2,
+  GLOB_ff_math_fmod,
+  GLOB_ff_math_deg,
+  GLOB_ff_math_rad,
+  GLOB_ff_math_ldexp,
+  GLOB_ff_math_frexp,
+  GLOB_ff_math_modf,
+  GLOB_ff_math_pow,
+  GLOB_ff_math_min,
+  GLOB_ff_math_max,
+  GLOB_ff_string_len,
+  GLOB_ff_string_byte,
+  GLOB_ff_string_char,
+  GLOB_fff_newstr,
+  GLOB_ff_string_sub,
+  GLOB_fff_emptystr,
+  GLOB_ff_string_rep,
+  GLOB_ff_string_reverse,
+  GLOB_ff_string_lower,
+  GLOB_ff_string_upper,
+  GLOB_ff_table_getn,
+  GLOB_ff_bit_tobit,
+  GLOB_ff_bit_band,
+  GLOB_ff_bit_bor,
+  GLOB_ff_bit_bxor,
+  GLOB_ff_bit_bswap,
+  GLOB_ff_bit_bnot,
+  GLOB_fff_resbit,
+  GLOB_fff_fallback_bit_op,
+  GLOB_ff_bit_lshift,
+  GLOB_ff_bit_rshift,
+  GLOB_ff_bit_arshift,
+  GLOB_ff_bit_rol,
+  GLOB_ff_bit_ror,
+  GLOB_fff_fallback,
+  GLOB_fff_gcstep,
+  GLOB_vm_record,
+  GLOB_vm_rethook,
+  GLOB_vm_inshook,
+  GLOB_cont_hook,
+  GLOB_vm_hotloop,
+  GLOB_vm_callhook,
+  GLOB_vm_hotcall,
+  GLOB_vm_exit_handler,
+  GLOB_vm_exit_interp,
+  GLOB_vm_floor,
+  GLOB_vm_ceil,
+  GLOB_vm_trunc,
+  GLOB_vm_mod,
+  GLOB_vm_exp,
+  GLOB_vm_exp2,
+  GLOB_vm_pow,
+  GLOB_vm_powi_sse,
+  GLOB_vm_foldfpm,
+  GLOB_vm_foldarith,
+  GLOB__MAX
+};
+static const char *const globnames[] = {
+  "vm_returnp",
+  "vm_returnc",
+  "vm_return",
+  "vm_leave_cp",
+  "vm_leave_unw",
+  "vm_unwind_c",
+  "vm_unwind_c_eh",
+  "vm_unwind_ff",
+  "vm_unwind_ff_eh",
+  "vm_growstack_c",
+  "vm_growstack_l",
+  "vm_resume",
+  "vm_pcall",
+  "vm_call",
+  "vm_call_dispatch",
+  "vm_call_dispatch_f",
+  "vm_cpcall",
+  "cont_dispatch",
+  "cont_cat",
+  "vmeta_tgets",
+  "vmeta_tgetb",
+  "vmeta_tgetv",
+  "vmeta_tsets",
+  "vmeta_tsetb",
+  "vmeta_tsetv",
+  "vmeta_comp",
+  "cont_nop",
+  "cont_ra",
+  "cont_condt",
+  "cont_condf",
+  "vmeta_equal",
+  "vmeta_arith_vn",
+  "vmeta_arith_nv",
+  "vmeta_unm",
+  "vmeta_arith_vv",
+  "vmeta_binop",
+  "vmeta_len",
+  "vmeta_call_ra",
+  "vmeta_call",
+  "vmeta_for",
+  "ff_assert",
+  "ff_type",
+  "ff_getmetatable",
+  "ff_setmetatable",
+  "ff_rawget",
+  "ff_tonumber",
+  "ff_tostring",
+  "ff_next",
+  "fff_res2",
+  "ff_pairs",
+  "ff_ipairs_aux",
+  "fff_res0",
+  "ff_ipairs",
+  "ff_pcall",
+  "ff_xpcall",
+  "ff_coroutine_resume",
+  "ff_coroutine_wrap_aux",
+  "ff_coroutine_yield",
+  "ff_math_abs",
+  "fff_res1",
+  "fff_res",
+  "ff_math_floor",
+  "ff_math_ceil",
+  "ff_math_sqrt",
+  "ff_math_log",
+  "ff_math_log10",
+  "ff_math_exp",
+  "ff_math_sin",
+  "ff_math_cos",
+  "ff_math_tan",
+  "ff_math_asin",
+  "ff_math_acos",
+  "ff_math_atan",
+  "ff_math_sinh",
+  "ff_math_cosh",
+  "ff_math_tanh",
+  "ff_math_atan2",
+  "ff_math_fmod",
+  "ff_math_deg",
+  "ff_math_rad",
+  "ff_math_ldexp",
+  "ff_math_frexp",
+  "ff_math_modf",
+  "ff_math_pow",
+  "ff_math_min",
+  "ff_math_max",
+  "ff_string_len",
+  "ff_string_byte",
+  "ff_string_char",
+  "fff_newstr",
+  "ff_string_sub",
+  "fff_emptystr",
+  "ff_string_rep",
+  "ff_string_reverse",
+  "ff_string_lower",
+  "ff_string_upper",
+  "ff_table_getn",
+  "ff_bit_tobit",
+  "ff_bit_band",
+  "ff_bit_bor",
+  "ff_bit_bxor",
+  "ff_bit_bswap",
+  "ff_bit_bnot",
+  "fff_resbit",
+  "fff_fallback_bit_op",
+  "ff_bit_lshift",
+  "ff_bit_rshift",
+  "ff_bit_arshift",
+  "ff_bit_rol",
+  "ff_bit_ror",
+  "fff_fallback",
+  "fff_gcstep",
+  "vm_record",
+  "vm_rethook",
+  "vm_inshook",
+  "cont_hook",
+  "vm_hotloop",
+  "vm_callhook",
+  "vm_hotcall",
+  "vm_exit_handler",
+  "vm_exit_interp",
+  "vm_floor",
+  "vm_ceil",
+  "vm_trunc",
+  "vm_mod",
+  "vm_exp",
+  "vm_exp2",
+  "vm_pow",
+  "vm_powi_sse",
+  "vm_foldfpm",
+  "vm_foldarith",
+  (const char *)0
+};
+static const char *const extnames[] = {
+  (const char *)0
+};
+#define DISPATCH_GL(field)	(GG_DISP2G + (int)offsetof(global_State, field))
+#define DISPATCH_J(field)	(GG_DISP2J + (int)offsetof(jit_State, field))
+#define PC2PROTO(field)  ((int)offsetof(GCproto, field)-(int)sizeof(GCproto))
+
+/* Generate subroutines used by opcodes and other parts of the VM. */
+/* The .code_sub section should be last to help static branch prediction. */
+static void build_subroutines(BuildCtx *ctx)
+{
+  dasm_put(Dst, 0);
+  dasm_put(Dst, 1);
+  dasm_put(Dst, 45);
+  dasm_put(Dst, 91);
+  dasm_put(Dst, 148);
+  dasm_put(Dst, 204);
+  dasm_put(Dst, 279);
+#if LJ_HASJIT
+  dasm_put(Dst, 288);
+#endif
+  dasm_put(Dst, 290);
+#if LJ_HASJIT
+  dasm_put(Dst, 298);
+#endif
+  dasm_put(Dst, 300);
+#if LJ_HASJIT
+  dasm_put(Dst, 304);
+#endif
+  dasm_put(Dst, 306);
+#if LJ_HASJIT
+  dasm_put(Dst, 308);
+#endif
+  dasm_put(Dst, 310);
+#if LJ_HASJIT
+  dasm_put(Dst, 312);
+#endif
+  dasm_put(Dst, 314);
+}
+
+/* Generate the code for a single instruction. */
+static void build_ins(BuildCtx *ctx, BCOp op, int defop)
+{
+  dasm_put(Dst, 335, defop);
+
+  switch (op) {
+
+  /* -- Comparison ops ---------------------------------------------------- */
+
+  /* Remember: all ops branch for a true comparison, fall through otherwise. */
+
+  case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT:
+    dasm_put(Dst, 337);
+    break;
+
+  case BC_ISEQV: case BC_ISNEV:
+    dasm_put(Dst, 339);
+    break;
+
+  case BC_ISEQS: case BC_ISNES:
+    dasm_put(Dst, 341);
+    break;
+
+  case BC_ISEQN: case BC_ISNEN:
+    dasm_put(Dst, 343);
+    break;
+
+  case BC_ISEQP: case BC_ISNEP:
+    dasm_put(Dst, 345);
+    break;
+
+  /* -- Unary test and copy ops ------------------------------------------- */
+
+  case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF:
+    dasm_put(Dst, 347);
+    break;
+
+  /* -- Unary ops --------------------------------------------------------- */
+
+  case BC_MOV:
+    dasm_put(Dst, 349);
+    break;
+  case BC_NOT:
+    dasm_put(Dst, 351);
+    break;
+  case BC_UNM:
+    dasm_put(Dst, 353);
+    break;
+  case BC_LEN:
+    dasm_put(Dst, 355);
+    break;
+
+  /* -- Binary ops -------------------------------------------------------- */
+
+  case BC_ADDVN: case BC_ADDNV: case BC_ADDVV:
+    dasm_put(Dst, 357);
+    break;
+  case BC_SUBVN: case BC_SUBNV: case BC_SUBVV:
+    dasm_put(Dst, 359);
+    break;
+  case BC_MULVN: case BC_MULNV: case BC_MULVV:
+    dasm_put(Dst, 361);
+    break;
+  case BC_DIVVN: case BC_DIVNV: case BC_DIVVV:
+    dasm_put(Dst, 363);
+    break;
+  case BC_MODVN:
+    dasm_put(Dst, 365);
+    break;
+  case BC_MODNV: case BC_MODVV:
+    dasm_put(Dst, 367);
+    break;
+  case BC_POW:
+    dasm_put(Dst, 369);
+    break;
+
+  case BC_CAT:
+    dasm_put(Dst, 371);
+    break;
+
+  /* -- Constant ops ------------------------------------------------------ */
+
+  case BC_KSTR:
+    dasm_put(Dst, 373);
+    break;
+  case BC_KSHORT:
+    dasm_put(Dst, 375);
+    break;
+  case BC_KNUM:
+    dasm_put(Dst, 377);
+    break;
+  case BC_KPRI:
+    dasm_put(Dst, 379);
+    break;
+  case BC_KNIL:
+    dasm_put(Dst, 381);
+    break;
+
+  /* -- Upvalue and function ops ------------------------------------------ */
+
+  case BC_UGET:
+    dasm_put(Dst, 383);
+    break;
+  case BC_USETV:
+    dasm_put(Dst, 385);
+    break;
+  case BC_USETS:
+    dasm_put(Dst, 387);
+    break;
+  case BC_USETN:
+    dasm_put(Dst, 389);
+    break;
+  case BC_USETP:
+    dasm_put(Dst, 391);
+    break;
+  case BC_UCLO:
+    dasm_put(Dst, 393);
+    break;
+
+  case BC_FNEW:
+    dasm_put(Dst, 395);
+    break;
+
+  /* -- Table ops --------------------------------------------------------- */
+
+  case BC_TNEW:
+    dasm_put(Dst, 397);
+    break;
+  case BC_TDUP:
+    dasm_put(Dst, 399);
+    break;
+
+  case BC_GGET:
+  case BC_GSET:
+    dasm_put(Dst, 401);
+    break;
+
+  case BC_TGETV:
+    dasm_put(Dst, 403);
+    break;
+  case BC_TGETS:
+    dasm_put(Dst, 405);
+    break;
+  case BC_TGETB:
+    dasm_put(Dst, 407);
+    break;
+
+  case BC_TSETV:
+    dasm_put(Dst, 409);
+    break;
+  case BC_TSETS:
+    dasm_put(Dst, 411);
+    break;
+  case BC_TSETB:
+    dasm_put(Dst, 413);
+    break;
+
+  case BC_TSETM:
+    dasm_put(Dst, 415);
+    break;
+
+  /* -- Calls and vararg handling ----------------------------------------- */
+
+  case BC_CALLM:
+    dasm_put(Dst, 417);
+    break;
+  case BC_CALL:
+    dasm_put(Dst, 419);
+    break;
+
+  case BC_CALLMT:
+    dasm_put(Dst, 421);
+    break;
+  case BC_CALLT:
+    dasm_put(Dst, 423);
+    break;
+
+  case BC_ITERC:
+    dasm_put(Dst, 425);
+    break;
+
+  case BC_VARG:
+    dasm_put(Dst, 427);
+    break;
+
+  /* -- Returns ----------------------------------------------------------- */
+
+  case BC_RETM:
+    dasm_put(Dst, 429);
+    break;
+
+  case BC_RET:
+    dasm_put(Dst, 431);
+    break;
+
+  case BC_RET0: case BC_RET1:
+    dasm_put(Dst, 433);
+    break;
+
+  /* -- Loops and branches ------------------------------------------------ */
+
+  case BC_FORL:
+#if LJ_HASJIT
+    dasm_put(Dst, 435);
+#endif
+    break;
+
+  case BC_JFORI:
+  case BC_JFORL:
+#if !LJ_HASJIT
+    break;
+#endif
+  case BC_FORI:
+  case BC_IFORL:
+    dasm_put(Dst, 437);
+    break;
+
+  case BC_ITERL:
+#if LJ_HASJIT
+    dasm_put(Dst, 439);
+#endif
+    break;
+
+  case BC_JITERL:
+#if !LJ_HASJIT
+    break;
+#endif
+  case BC_IITERL:
+    dasm_put(Dst, 441);
+    break;
+
+  case BC_LOOP:
+    dasm_put(Dst, 443);
+#if LJ_HASJIT
+#endif
+    break;
+
+  case BC_ILOOP:
+    dasm_put(Dst, 445);
+    break;
+
+  case BC_JLOOP:
+    dasm_put(Dst, 447);
+    break;
+
+  case BC_JMP:
+    dasm_put(Dst, 449);
+    break;
+
+  /* -- Function headers -------------------------------------------------- */
+
+  case BC_FUNCF:
+#if LJ_HASJIT
+    dasm_put(Dst, 451);
+#endif
+  case BC_FUNCV:  /* NYI: compiled vararg functions. */
+    break;
+
+  case BC_JFUNCF:
+#if !LJ_HASJIT
+    break;
+#endif
+  case BC_IFUNCF:
+    dasm_put(Dst, 453);
+    break;
+
+  case BC_JFUNCV:
+#if !LJ_HASJIT
+    break;
+#endif
+    dasm_put(Dst, 455);
+    break;  /* NYI: compiled vararg functions. */
+
+  case BC_IFUNCV:
+    dasm_put(Dst, 457);
+    break;
+
+  case BC_FUNCC:
+  case BC_FUNCCW:
+    dasm_put(Dst, 459);
+    break;
+
+  /* ---------------------------------------------------------------------- */
+
+  default:
+    fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]);
+    exit(2);
+    break;
+  }
+}
+
+static int build_backend(BuildCtx *ctx)
+{
+  int op;
+
+  dasm_growpc(Dst, BC__MAX);
+
+  build_subroutines(ctx);
+
+  dasm_put(Dst, 461);
+  for (op = 0; op < BC__MAX; op++)
+    build_ins(ctx, (BCOp)op, op);
+
+  return BC__MAX;
+}
+
+/* Emit pseudo frame-info for all assembler functions. */
+static void emit_asm_debug(BuildCtx *ctx)
+{
+  /* NYI */
+  UNUSED(ctx);
+}
+
diff --git a/src/lib_jit.c b/src/lib_jit.c
index 4cabb2f7..bfceab62 100644
--- a/src/lib_jit.c
+++ b/src/lib_jit.c
@@ -543,10 +543,12 @@ static uint32_t jit_cpudetect(lua_State *L)
     luaL_error(L, "CPU does not support SSE2 (recompile without -DLUAJIT_CPU_SSE2)");
 #endif
 #endif
-  UNUSED(L);
+#elif LJ_TARGET_PPC
+  /* Nothing to do. */
 #else
 #error "Missing CPU detection for this architecture"
 #endif
+  UNUSED(L);
   return flags;
 }