From: James Lyon Date: Thu, 25 Apr 2013 21:30:53 +0000 (+0100) Subject: Sorted out CMake on x86-64 and fixed silly XMM# bug introduced when working on Win64... X-Git-Tag: release_0_9_27~1082 X-Git-Url: https://repo.or.cz/w/tinycc.git/commitdiff_plain/1caee8ab3b6c3cf3ceb06d1ec4a5e09e2d90c543 Sorted out CMake on x86-64 and fixed silly XMM# bug introduced when working on Win64 stdargs. I removed the XMM6/7 registers from the register list because they are not used on Win64 however they are necessary for parameter passing on x86-64. I have now restored them but not marked them with RC_FLOAT so they will not be used except for parameter passing. --- diff --git a/CMakeLists.txt b/CMakeLists.txt index f50caf49..845a3115 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -43,6 +43,15 @@ else() set(DOC_PATH share/doc/tcc) endif() +if(NOT WIN32) + if(EXISTS /usr/lib/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/crti.o) + set(CONFIG_LDDIR lib/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu) + set(CONFIG_MULTIARCHDIR ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu) + elseif(EXISTS /usr/lib64/crti.o) + set(CONFIG_LDDIR lib64) + endif() +endif() + # Use two variables to keep CMake configuration variable names consistent set(TCC_BCHECK OFF CACHE BOOL "Enable bounds checking") set(CONFIG_TCC_BCHECK ${TCC_BCHECK}) @@ -64,6 +73,12 @@ set(TCC_BUILD_C67 OFF CACHE BOOL "Build C67 cross compiler") set(TCC_ARM_VERSION ${TCC_ARM_VERSION_DEFAULT} CACHE STRING "ARM target CPU version") set_property(CACHE TCC_ARM_VERSION PROPERTY STRINGS 4 5 6 7) +if(WIN32) + set(CONFIG_TCCDIR ${CMAKE_INSTALL_PREFIX}) +else() + set(CONFIG_TCCDIR ${CMAKE_INSTALL_PREFIX}/lib/tcc) +endif() + file(STRINGS "VERSION" TCC_VERSION) list(GET TCC_VERSION 0 TCC_VERSION) include_directories(${CMAKE_BINARY_DIR}) @@ -123,8 +138,16 @@ endmacro() macro(make_tcc native_name cross_name cross_enabled definitions tcc_sources libtcc_ar libtcc_sources libtcc_includes) if (xx${native_name} STREQUAL xx${TCC_NATIVE_TARGET}) + set(TCC_NATIVE_DEFINITIONS ${definitions}) + if("${CONFIG_MULTIARCHDIR}" STRGREATER "") + set(TCC_NATIVE_DEFINITIONS ${TCC_NATIVE_DEFINITIONS} CONFIG_MULTIARCHDIR="${CONFIG_MULTIARCHDIR}") + endif() + if("${CONFIG_LDDIR}" STRGREATER "") + set(TCC_NATIVE_DEFINITIONS ${TCC_NATIVE_DEFINITIONS} CONFIG_LDDIR="${CONFIG_LDDIR}") + endif() + set(TCC_NATIVE_FLAGS) - foreach(make_tcc_def ${definitions}) + foreach(make_tcc_def ${TCC_NATIVE_DEFINITIONS}) set(TCC_NATIVE_FLAGS ${TCC_NATIVE_FLAGS} -D${make_tcc_def}) endforeach() @@ -144,16 +167,17 @@ macro(make_tcc native_name cross_name cross_enabled definitions tcc_sources libt set_target_properties(libtcc PROPERTIES OUTPUT_NAME tcc PREFIX lib LINK_FLAGS "-Wl,--output-def,libtcc.def") add_executable(tcc tcc.c) target_link_libraries(tcc libtcc) - install(TARGETS tcc libtcc RUNTIME DESTINATION ${EXE_PATH} LIBRARY DESTINATION ${NATIVE_LIB_PATH}) - set_target_properties(tcc libtcc PROPERTIES COMPILE_DEFINITIONS "${definitions}") + if(NOT WIN32) + target_link_libraries(tcc dl) + endif() + install(TARGETS tcc libtcc RUNTIME DESTINATION ${EXE_PATH} LIBRARY DESTINATION ${NATIVE_LIB_PATH} ARCHIVE DESTINATION ${NATIVE_LIB_PATH}) + set_target_properties(tcc libtcc PROPERTIES COMPILE_DEFINITIONS "${TCC_NATIVE_DEFINITIONS}") if("${libtcc_sources}" STRGREATER "") - make_libtcc1("" tcc "${libtcc_ar}" "${definitions}" "${libtcc_includes}" "${libtcc_sources}") + make_libtcc1("" tcc "${libtcc_ar}" "${TCC_NATIVE_DEFINITIONS}" "${libtcc_includes}" "${libtcc_sources}") endif() endif() - endif() - - if(${cross_enabled}) + elseif(${cross_enabled}) add_executable(${cross_name}-tcc tcc.c) set_target_properties(${cross_name}-tcc PROPERTIES COMPILE_DEFINITIONS "ONE_SOURCE;${definitions}") install(TARGETS ${cross_name}-tcc RUNTIME DESTINATION ${EXE_PATH}) @@ -250,6 +274,7 @@ endif() if(WIN32) file(GLOB WIN32_DEFS win32/lib/*.def) install(FILES ${WIN32_DEFS} DESTINATION lib) + install(FILES tcclib.h DESTINATION include) install(DIRECTORY include/ DESTINATION include) install(DIRECTORY win32/include/ DESTINATION include) install(DIRECTORY win32/examples/ DESTINATION examples) @@ -258,7 +283,7 @@ if(WIN32) install(FILES ${CMAKE_BINARY_DIR}/libtcc.dll.a DESTINATION libtcc RENAME libtcc.a) install(FILES libtcc.h DESTINATION libtcc) else() - install(FILES libtcc.h DESTINATION include) + install(FILES libtcc.h tcclib.h DESTINATION include) install(DIRECTORY include/ DESTINATION lib/tcc/include) install(DIRECTORY win32/include/ DESTINATION lib/tcc/win32/include) install(DIRECTORY include/ DESTINATION lib/tcc/win32/include) diff --git a/Makefile b/Makefile index f487fbf0..9b9d7872 100644 --- a/Makefile +++ b/Makefile @@ -221,7 +221,7 @@ lib/%/libtcc1.a : FORCE $(PROGS_CROSS) FORCE: # install -TCC_INCLUDES = stdarg.h stddef.h stdbool.h float.h varargs.h tcclib.h +TCC_INCLUDES = stdarg.h stddef.h stdbool.h float.h varargs.h INSTALL=install ifdef STRIP_BINARIES INSTALLBIN=$(INSTALL) -s @@ -246,7 +246,7 @@ endif ifneq ($(LIBTCC1),) $(INSTALL) -m644 $(LIBTCC1) "$(tccdir)" endif - $(INSTALL) -m644 $(addprefix $(top_srcdir)/include/,$(TCC_INCLUDES)) "$(tccdir)/include" + $(INSTALL) -m644 $(addprefix $(top_srcdir)/include/,$(TCC_INCLUDES)) $(top_srcdir)/tcclib.h "$(tccdir)/include" mkdir -p "$(libdir)" $(INSTALL) -m755 $(LIBTCC) "$(libdir)" ifdef DISABLE_STATIC @@ -265,17 +265,18 @@ ifeq ($(ARCH),x86-64) $(INSTALL) -m644 lib/i386/libtcc1.a "$(tccdir)/i386" cp -r "$(tccdir)/include" "$(tccdir)/i386" endif - $(INSTALL) -m644 win32/lib/*.def "$(tccdir)/win32/lib" + $(INSTALL) -m644 $(top_srcdir)/win32/lib/*.def "$(tccdir)/win32/lib" $(INSTALL) -m644 lib/i386-win32/libtcc1.a "$(tccdir)/win32/lib/32" $(INSTALL) -m644 lib/x86_64-win32/libtcc1.a "$(tccdir)/win32/lib/64" - cp -r win32/include/. "$(tccdir)/win32/include" - cp -r include/. "$(tccdir)/win32/include" + cp -r $(top_srcdir)/win32/include/. "$(tccdir)/win32/include" + cp -r $(top_srcdir)/include/. "$(tccdir)/win32/include" endif uninstall: rm -fv $(foreach P,$(PROGS),"$(bindir)/$P") rm -fv $(foreach P,$(LIBTCC1),"$(tccdir)/$P") rm -fv $(foreach P,$(TCC_INCLUDES),"$(tccdir)/include/$P") + rm -fv "$(tccdir)/include/tcclib.h" rm -fv "$(docdir)/tcc-doc.html" "$(mandir)/man1/tcc.1" "$(infodir)/tcc-doc.info" rm -fv "$(libdir)/$(LIBTCC)" "$(includedir)/libtcc.h" rm -fv "$(libdir)/libtcc.so*" @@ -297,7 +298,7 @@ install: $(PROGS) $(TCCLIBS) $(TCCDOCS) $(INSTALL) -m644 $(LIBTCC1) $(top_srcdir)/win32/lib/*.def "$(tccdir)/lib" cp -r $(top_srcdir)/win32/include/. "$(tccdir)/include" cp -r $(top_srcdir)/win32/examples/. "$(tccdir)/examples" - $(INSTALL) -m644 $(addprefix $(top_srcdir)/include/,$(TCC_INCLUDES)) "$(tccdir)/include" + $(INSTALL) -m644 $(addprefix $(top_srcdir)/include/,$(TCC_INCLUDES)) $(top_srcdir)/tcclib.h "$(tccdir)/include" $(INSTALL) -m644 tcc-doc.html $(top_srcdir)/win32/tcc-win32.txt "$(tccdir)/doc" $(INSTALL) -m644 $(top_srcdir)/libtcc.h $(LIBTCC_EXTRA) "$(tccdir)/libtcc" $(INSTALL) -m644 $(LIBTCC) $(tccdir) diff --git a/config.h.in b/config.h.in index 79640fdc..16393e9d 100644 --- a/config.h.in +++ b/config.h.in @@ -1,4 +1,4 @@ -#define CONFIG_TCCDIR "${CMAKE_INSTALL_PREFIX}" +#define CONFIG_TCCDIR "${CONFIG_TCCDIR}" #define TCC_VERSION "${TCC_VERSION}" #cmakedefine CONFIG_WIN32 diff --git a/lib/libtcc1.c b/lib/libtcc1.c index 1f246be5..159c401c 100644 --- a/lib/libtcc1.c +++ b/lib/libtcc1.c @@ -607,9 +607,16 @@ unsigned long long __fixunsxfdi (long double a1) #if defined(__x86_64__) && !defined(_WIN64) +#ifndef __TINYC__ +#include +#include +#else /* Avoid including stdlib.h because it is not easily available when cross compiling */ extern void *malloc(unsigned long long); +extern void free(void*); +extern void abort(void); +#endif enum __va_arg_type { __va_gen_reg, __va_float_reg, __va_stack diff --git a/libtcc.c b/libtcc.c index bf88cc91..f691218c 100644 --- a/libtcc.c +++ b/libtcc.c @@ -1052,11 +1052,13 @@ LIBTCCAPI void tcc_delete(TCCState *s1) dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections); /* free any loaded DLLs */ +#ifdef TCC_IS_NATIVE for ( i = 0; i < s1->nb_loaded_dlls; i++) { DLLReference *ref = s1->loaded_dlls[i]; if ( ref->handle ) dlclose(ref->handle); } +#endif /* free loaded dlls array */ dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls); diff --git a/include/tcclib.h b/tcclib.h similarity index 100% rename from include/tcclib.h rename to tcclib.h diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt index 4c11c8de..07c9897b 100644 --- a/tests/CMakeLists.txt +++ b/tests/CMakeLists.txt @@ -1,17 +1,22 @@ -include_directories(${CMAKE_SOURCE_DIR}) +include_directories(${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR}) -set(TCC_CFLAGS -I${CMAKE_SOURCE_DIR}) +set(TCC_CFLAGS -I${CMAKE_SOURCE_DIR} -I${CMAKE_SOURCE_DIR}/include -B${CMAKE_BINARY_DIR}) if(WIN32) - set(TCC_CFLAGS ${TCC_CFLAGS} -I${CMAKE_SOURCE_DIR}/include -I${CMAKE_SOURCE_DIR}/win32/include) + set(TCC_CFLAGS ${TCC_CFLAGS} -I${CMAKE_SOURCE_DIR}/win32/include) +else() + set(TCC_MATH_LDFLAGS -lm) + set(LIBTCC_LDFLAGS -ldl -lm) endif() add_executable(abitest-cc abitest.c) -target_link_libraries(abitest-cc libtcc) +if(NOT WIN32) + target_link_libraries(abitest-cc libtcc dl) +endif() add_test(NAME abitest-cc WORKING_DIRECTORY ${CMAKE_BINARY_DIR} COMMAND abitest-cc lib_path=${CMAKE_BINARY_DIR} include=${CMAKE_SOURCE_DIR}/include) set(ABITEST_TCC abitest-tcc${CMAKE_EXECUTABLE_SUFFIX}) get_property(LIBTCC_LIB TARGET libtcc PROPERTY LOCATION) -add_custom_command(OUTPUT ${ABITEST_TCC} COMMAND tcc ${TCC_CFLAGS} -g -I${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/abitest.c ${LIBTCC_LIB} -o ${ABITEST_TCC} DEPENDS abitest.c) +add_custom_command(OUTPUT ${ABITEST_TCC} COMMAND tcc ${TCC_CFLAGS} -g ${CMAKE_CURRENT_SOURCE_DIR}/abitest.c ${LIBTCC_LDFLAGS} ${LIBTCC_LIB} -o ${ABITEST_TCC} DEPENDS tcc abitest.c) add_custom_target(abitest-tcc-exe ALL DEPENDS ${ABITEST_TCC}) add_test(NAME abitest-tcc WORKING_DIRECTORY ${CMAKE_BINARY_DIR} COMMAND ${CMAKE_CURRENT_BINARY_DIR}/${ABITEST_TCC} lib_path=${CMAKE_BINARY_DIR} include=${CMAKE_SOURCE_DIR}/include) @@ -19,9 +24,6 @@ add_test(NAME abitest-tcc WORKING_DIRECTORY ${CMAKE_BINARY_DIR} COMMAND ${CMAKE_ add_executable(tcctest-cc tcctest.c) target_link_libraries(tcctest-cc libtcc) set_target_properties(tcctest-cc PROPERTIES COMPILE_FLAGS -std=gnu99) -if(WIN32) - set_target_properties(tcctest-cc PROPERTIES INCLUDE_DIRECTORIES "${CMAKE_BINARY_DIR};${CMAKE_SOURCE_DIR}/include") -endif() find_package(PythonInterp) if(PYTHONINTERP_FOUND) @@ -29,14 +31,43 @@ if(PYTHONINTERP_FOUND) if(WIN32) set(TCC_TEST_CFLAGS ${TCC_TEST_CFLAGS} -I${CMAKE_SOURCE_DIR}/win32/include/winapi) endif() - set(TCC_TEST_SOURCE ${TCC_TEST_CFLAGS} -run ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.c) + set(TCC_TEST_SOURCE ${TCC_TEST_CFLAGS} ${TCC_MATH_LDFLAGS} -run ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.c) set(TCC_TEST_RUN ${TCC_TEST_CFLAGS} ${TCC_NATIVE_FLAGS} -DONE_SOURCE -run ${CMAKE_SOURCE_DIR}/tcc.c) get_property(TCC TARGET tcc PROPERTY LOCATION) get_property(TCCTESTCC TARGET tcctest-cc PROPERTY LOCATION) - set(TCCTEST_PY ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.py ${TCCTESTCC} ${TCC}) - add_test(test1 ${TCCTEST_PY} ${TCC_TEST_SOURCE}) - add_test(test2 ${TCCTEST_PY} ${TCC_TEST_RUN} ${TCC_TEST_SOURCE}) - add_test(test3 ${TCCTEST_PY} ${TCC_TEST_RUN} ${TCC_TEST_RUN} ${TCC_TEST_SOURCE}) + set(TCCTEST_PY ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.py ${TCCTESTCC}) + add_test(test1 ${TCCTEST_PY} ${TCC} ${TCC_TEST_SOURCE}) + add_test(test2 ${TCCTEST_PY} ${TCC} ${TCC_TEST_RUN} ${TCC_TEST_SOURCE}) + add_test(test3 ${TCCTEST_PY} ${TCC} ${TCC_TEST_RUN} ${TCC_TEST_RUN} ${TCC_TEST_SOURCE}) + + # Object + link output + set(TEST4 test4${CMAKE_EXECUTABLE_SUFFIX}) + add_custom_command(OUTPUT test4.o COMMAND tcc ${TCC_TEST_CFLAGS} ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.c -c -o test4.o DEPENDS tcc tcctest.c) + add_custom_command(OUTPUT ${TEST4} COMMAND tcc ${TCC_TEST_CFLAGS} test4.o -o ${TEST4} DEPENDS tcc test4.o) + add_custom_target(test4-exe ALL DEPENDS ${TEST4}) + add_test(test4 ${TCCTEST_PY} ${CMAKE_CURRENT_BINARY_DIR}/${TEST4}) + + # Dynamic output + set(TEST5 test5${CMAKE_EXECUTABLE_SUFFIX}) + add_custom_command(OUTPUT ${TEST5} COMMAND tcc ${TCC_TEST_CFLAGS} ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.c -o ${TEST5} DEPENDS tcc tcctest.c) + add_custom_target(test5-exe ALL DEPENDS ${TEST5}) + add_test(test5 ${TCCTEST_PY} ${CMAKE_CURRENT_BINARY_DIR}/${TEST5}) + + if(TCC_BCHECK) + # Dynamic output + bound check + set(TEST6 test6${CMAKE_EXECUTABLE_SUFFIX}) + add_custom_command(OUTPUT ${TEST5} COMMAND tcc ${TCC_TEST_CFLAGS} ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.c -b -o ${TEST6} DEPENDS tcc tcctest.c) + add_custom_target(test6-exe ALL DEPENDS ${TEST6}) + add_test(test6 ${TCCTEST_PY} ${CMAKE_CURRENT_BINARY_DIR}/${TEST6}) + endif() + + if(NOT WIN32 AND NOT TCC_NATIVE_TARGET STREQUAL "x86_64") + # Static output + set(TEST7 test7${CMAKE_EXECUTABLE_SUFFIX}) + add_custom_command(OUTPUT ${TEST7} COMMAND tcc ${TCC_TEST_CFLAGS} ${CMAKE_CURRENT_SOURCE_DIR}/tcctest.c -static -o ${TEST7} DEPENDS tcc tcctest.c) + add_custom_target(test7-exe ALL DEPENDS ${TEST7}) + add_test(test7 ${TCCTEST_PY} ${CMAKE_CURRENT_BINARY_DIR}/${TEST7}) + endif() endif() set(MORETESTS @@ -99,5 +130,5 @@ if(WIN32) endif() foreach(testfile ${MORETESTS}) add_test(NAME ${testfile} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/tests2 - COMMAND tcc ${TCC_CFLAGS} -run ${testfile}.c - arg1 arg2 arg3 arg4 | ${DIFF} - ${testfile}.expect) + COMMAND tcc ${TCC_CFLAGS} ${TCC_MATH_LDFLAGS} -run ${testfile}.c - arg1 arg2 arg3 arg4 | ${DIFF} - ${testfile}.expect) endforeach() diff --git a/tests/Makefile b/tests/Makefile index 9c8a4334..edb581c4 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -43,9 +43,9 @@ ifeq ($(TARGETOS),Darwin) endif # run local version of tcc with local libraries and includes -TCCFLAGS = -B$(TOP) -I$(TOP) +TCCFLAGS = -B$(TOP) -I$(TOP) -I$(top_srcdir) -I$(top_srcdir)/include ifdef CONFIG_WIN32 - TCCFLAGS = -B$(top_srcdir)/win32 -I$(top_srcdir)/include -I$(TOP) -L$(TOP) + TCCFLAGS = -B$(top_srcdir)/win32 -I$(top_srcdir) -I$(top_srcdir)/include -I$(TOP) -L$(TOP) endif TCC = $(TOP)/tcc $(TCCFLAGS) @@ -82,8 +82,7 @@ moretests: # test.ref - generate using gcc # copy only tcclib.h so GCC's stddef and stdarg will be used test.ref: tcctest.c - cp $(top_srcdir)/include/tcclib.h . - gcc -o tcctest.gcc $< -I. $(CPPFLAGS) -w $(CFLAGS) $(NATIVE_DEFINES) -std=gnu99 -O0 -fno-omit-frame-pointer $(LDFLAGS) + gcc -o tcctest.gcc $< -I$(top_srcdir) $(CPPFLAGS) -w $(CFLAGS) $(NATIVE_DEFINES) -std=gnu99 -O0 -fno-omit-frame-pointer $(LDFLAGS) ./tcctest.gcc > $@ # auto test diff --git a/tests/tests2/Makefile b/tests/tests2/Makefile index 9c2e70f4..369ed477 100644 --- a/tests/tests2/Makefile +++ b/tests/tests2/Makefile @@ -2,7 +2,7 @@ TOP = ../.. include $(TOP)/Makefile VPATH = $(top_srcdir)/tests/tests2 -TCCFLAGS = -B$(TOP) +TCCFLAGS = -B$(TOP) -I$(top_srcdir)/include ifdef CONFIG_WIN32 TCCFLAGS = -B$(top_srcdir)/win32 -I$(top_srcdir)/include -L$(TOP) endif diff --git a/x86_64-gen.c b/x86_64-gen.c index 1cf3bbca..3e892e31 100644 --- a/x86_64-gen.c +++ b/x86_64-gen.c @@ -23,7 +23,7 @@ #ifdef TARGET_DEFS_ONLY /* number of available registers */ -#define NB_REGS 22 +#define NB_REGS 24 #define NB_ASM_REGS 8 /* a register can belong to several classes. The classes must be @@ -45,6 +45,8 @@ #define RC_XMM3 0x8000 #define RC_XMM4 0x10000 #define RC_XMM5 0x20000 +#define RC_XMM6 0x40000 +#define RC_XMM7 0x80000 #define RC_IRET RC_RAX /* function return: integer register */ #define RC_LRET RC_RDX /* function return: second integer register */ #define RC_FRET RC_XMM0 /* function return: float register */ @@ -140,7 +142,12 @@ ST_DATA const int reg_classes[NB_REGS] = { /* xmm2 */ RC_FLOAT | RC_XMM2, /* xmm3 */ RC_FLOAT | RC_XMM3, /* xmm4 */ RC_FLOAT | RC_XMM4, - /* xmm5 */ RC_FLOAT | RC_XMM5 /* only up to xmm5: xmm6-15 must be callee saved on Win64 */ + /* xmm5 */ RC_FLOAT | RC_XMM5, + /* xmm6 an xmm7 are included so gv() can be used on them, + but they are not tagged with RC_FLOAT because they are + callee saved on Windows */ + RC_XMM6, + RC_XMM7 }; static unsigned long func_sub_sp_offset; @@ -499,7 +506,7 @@ void load(int r, SValue *sv) o(0xc0 + REG_VALUE(v) + REG_VALUE(r)*8); } } else if (r == TREG_ST0) { - assert((v == TREG_XMM0) || (v == TREG_XMM1)); + assert((v >= TREG_XMM0) || (v <= TREG_XMM7)); /* gen_cvt_ftof(VT_LDOUBLE); */ /* movsd %xmmN,-0x10(%rsp) */ o(0x110ff2); @@ -1173,7 +1180,7 @@ void gfunc_call(int nb_args) --sse_reg; r = gv(RC_FLOAT); o(0x50); /* push $rax */ - /* movq %xmm0, (%rsp) */ + /* movq %xmmN, (%rsp) */ o(0xd60f66); o(0x04 + REG_VALUE(r)*8); o(0x24);