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gcc33
nov65883.diff
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File nov65883.diff of Package gcc33
Index: gcc-3.3.3/gcc/Makefile.in =================================================================== --- gcc-3.3.3.orig/gcc/Makefile.in 2009-11-20 13:06:00.000000000 +0100 +++ gcc-3.3.3/gcc/Makefile.in 2009-11-20 13:06:36.000000000 +0100 @@ -449,6 +449,10 @@ LIB2FUNCS_EXTRA = # Assembler files should have names ending in `.asm'. LIB2FUNCS_STATIC_EXTRA = +# List of extra C and assembler files to add to shared libgcc2. +# Assembler files should have names ending in `.asm'. +LIB2FUNCS_SHARED_EXTRA = + # Program to convert libraries. LIBCONVERT = @@ -1027,8 +1031,10 @@ xlimits.h: glimits.h limitx.h limity.h LIB2ADD = $(LIB2FUNCS_EXTRA) LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA) +LIB2ADD_SH = $(LIB2FUNCS_SHARED_EXTRA) -libgcc.mk: config.status Makefile mklibgcc $(LIB2ADD) $(LIB2ADD_ST) xgcc$(exeext) specs +libgcc.mk: config.status Makefile mklibgcc $(LIB2ADD) $(LIB2ADD_ST) \ + $(LIB2ADD_SH) xgcc$(exeext) specs objext='$(objext)' \ LIB1ASMFUNCS='$(LIB1ASMFUNCS)' \ LIB2FUNCS_1='$(LIB2FUNCS_1)' \ @@ -1036,6 +1042,7 @@ libgcc.mk: config.status Makefile mklibg LIB2FUNCS_ST='$(LIB2FUNCS_ST)' \ LIB2ADD='$(LIB2ADD)' \ LIB2ADD_ST='$(LIB2ADD_ST)' \ + LIB2ADD_SH='$(LIB2ADD_SH)' \ LIB2ADDEH='$(LIB2ADDEH)' \ LIB2ADDEHDEP='$(LIB2ADDEHDEP)' \ FPBIT='$(FPBIT)' \ @@ -1065,8 +1072,8 @@ LIBGCC_DEPS = $(GCC_PASSES) $(LANGUAGES) libgcc.mk $(srcdir)/libgcc2.c $(TCONFIG_H) \ $(MACHMODE_H) longlong.h gbl-ctors.h config.status stmp-int-hdrs \ tsystem.h $(FPBIT) $(DPBIT) $(TPBIT) $(LIB2ADD) \ - $(LIB2ADD_ST) $(LIB2ADDEH) $(LIB2ADDEHDEP) $(EXTRA_PARTS) \ - $(srcdir)/config/$(LIB1ASMSRC) + $(LIB2ADD_ST) $(LIB2ADD_SH) $(LIB2ADDEH) $(LIB2ADDEHDEP) \ + $(EXTRA_PARTS) $(srcdir)/config/$(LIB1ASMSRC) libgcc.a: $(LIBGCC_DEPS) $(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \ Index: gcc-3.3.3/gcc/mklibgcc.in =================================================================== --- gcc-3.3.3.orig/gcc/mklibgcc.in 2003-12-24 23:42:28.000000000 +0100 +++ gcc-3.3.3/gcc/mklibgcc.in 2009-11-20 13:06:36.000000000 +0100 @@ -14,6 +14,7 @@ # LIB2FUNCS_ST # LIB2ADD # LIB2ADD_ST +# LIB2ADD_SH # LIB2ADDEH # LIB2ADDEHDEP # FPBIT @@ -267,7 +268,31 @@ for ml in $MULTILIBS; do for o in $libgcc2_eh_objs; do libgcc_eh_objs="$libgcc_eh_objs libgcc/${dir}/$o" done + + if [ "$SHLIB_LINK" ]; then + for file in $LIB2ADD_SH; do + name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'` + oname=`echo $name | sed -e 's,.*/,,'` + + for ml in $MULTILIBS; do + dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'` + flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; + out="libgcc/${dir}/${oname}${objext}" + if [ ${name}.asm = ${file} ]; then + flags="$flags -xassembler-with-cpp" + fi + + echo $out: stmp-dirs $file + echo " $gcc_compile" $flags -c $file -o $out + done + libgcc2_sh_objs="$libgcc2_sh_objs ${oname}${objext}" + done + fi + libgcc_sh_objs="$libgcc_objs $libgcc_eh_objs" + for o in $libgcc2_sh_objs; do + libgcc_sh_objs="$libgcc_sh_objs libgcc/${dir}/$o" + done shlib_deps="$libgcc_sh_objs" libgcc_st_objs="" Index: gcc-3.3.3/gcc/reload.c =================================================================== --- gcc-3.3.3.orig/gcc/reload.c 2009-11-20 13:04:56.000000000 +0100 +++ gcc-3.3.3/gcc/reload.c 2009-11-20 13:06:36.000000000 +0100 @@ -2202,12 +2202,15 @@ operands_match_p (x, y) j = REGNO (y); /* On a WORDS_BIG_ENDIAN machine, point to the last register of a - multiple hard register group, so that for example (reg:DI 0) and - (reg:SI 1) will be considered the same register. */ + multiple hard register group of scalar integer registers, so that + for example (reg:DI 0) and (reg:SI 1) will be considered the same + register. */ if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (x)) > UNITS_PER_WORD + && SCALAR_INT_MODE_P (GET_MODE (x)) && i < FIRST_PSEUDO_REGISTER) i += (GET_MODE_SIZE (GET_MODE (x)) / UNITS_PER_WORD) - 1; if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (y)) > UNITS_PER_WORD + && SCALAR_INT_MODE_P (GET_MODE (y)) && j < FIRST_PSEUDO_REGISTER) j += (GET_MODE_SIZE (GET_MODE (y)) / UNITS_PER_WORD) - 1; Index: gcc-3.3.3/gcc/config/rs6000/aix.h =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/aix.h 2009-11-20 13:04:57.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/aix.h 2009-11-20 13:06:36.000000000 +0100 @@ -1,6 +1,6 @@ /* Definitions of target machine for GNU compiler, for IBM RS/6000 POWER running AIX. - Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GCC. @@ -175,15 +175,15 @@ #define JUMP_TABLES_IN_TEXT_SECTION 1 /* Enable AIX XL compiler calling convention breakage compatibility. */ -#undef TARGET_XL_CALL -#define MASK_XL_CALL 0x40000000 -#define TARGET_XL_CALL (target_flags & MASK_XL_CALL) +#undef TARGET_XL_COMPAT +#define MASK_XL_COMPAT 0x40000000 +#define TARGET_XL_COMPAT (target_flags & MASK_XL_COMPAT) #undef SUBTARGET_SWITCHES #define SUBTARGET_SWITCHES \ - {"xl-call", MASK_XL_CALL, \ - N_("Always pass floating-point arguments in memory") }, \ - {"no-xl-call", - MASK_XL_CALL, \ - N_("Don't always pass floating-point arguments in memory") }, \ + {"xl-compat", MASK_XL_COMPAT, \ + N_("Conform more closely to IBM XLC semantics") }, \ + {"no-xl-compat", - MASK_XL_COMPAT, \ + N_("Default GCC semantics that differ from IBM XLC") }, \ SUBSUBTARGET_SWITCHES #define SUBSUBTARGET_SWITCHES Index: gcc-3.3.3/gcc/config/rs6000/beos.h =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/beos.h 2002-07-10 02:33:51.000000000 +0200 +++ gcc-3.3.3/gcc/config/rs6000/beos.h 2009-11-20 13:06:36.000000000 +0100 @@ -23,18 +23,6 @@ Boston, MA 02111-1307, USA. */ #undef TARGET_VERSION #define TARGET_VERSION fprintf (stderr, " (BeOS/PowerPC)"); -/* Enable AIX XL compiler calling convention breakage compatibility. */ -#define MASK_XL_CALL 0x40000000 -#define TARGET_XL_CALL (target_flags & MASK_XL_CALL) -#undef SUBTARGET_SWITCHES -#define SUBTARGET_SWITCHES \ - {"xl-call", MASK_XL_CALL, \ - N_("Always pass floating-point arguments in memory") }, \ - {"no-xl-call", - MASK_XL_CALL, \ - N_("Don't always pass floating-point arguments in memory") }, \ - {"threads", 0}, \ - {"pe", 0}, - #undef ASM_SPEC #define ASM_SPEC "-u %(asm_cpu)" Index: gcc-3.3.3/gcc/config/rs6000/darwin-ldouble-shared.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ gcc-3.3.3/gcc/config/rs6000/darwin-ldouble-shared.c 2009-11-20 13:06:36.000000000 +0100 @@ -0,0 +1,2 @@ +#define IN_LIBGCC2_S 1 +#include "darwin-ldouble.c" Index: gcc-3.3.3/gcc/config/rs6000/darwin-ldouble.c =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/darwin-ldouble.c 2009-11-20 13:04:57.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/darwin-ldouble.c 2009-11-20 13:06:36.000000000 +0100 @@ -1,5 +1,5 @@ /* 128-bit long double support routines for Darwin. - Copyright (C) 1993, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1993, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GCC. @@ -48,7 +48,7 @@ Software Foundation, 59 Temple Place - S This code currently assumes big-endian. */ -#if !_SOFT_FLOAT && (defined (__MACH__) || defined (__powerpc64__)) +#if !_SOFT_FLOAT && (defined (__MACH__) || defined (__powerpc64__) || defined (_AIX)) #define fabs(x) __builtin_fabs(x) @@ -58,10 +58,27 @@ Software Foundation, 59 Temple Place - S but GCC currently generates poor code when a union is used to turn a long double into a pair of doubles. */ -extern long double _xlqadd (double, double, double, double); -extern long double _xlqsub (double, double, double, double); -extern long double _xlqmul (double, double, double, double); -extern long double _xlqdiv (double, double, double, double); +extern long double __gcc_qadd (double, double, double, double); +extern long double __gcc_qsub (double, double, double, double); +extern long double __gcc_qmul (double, double, double, double); +extern long double __gcc_qdiv (double, double, double, double); + +#if defined __ELF__ && defined IN_LIBGCC2_S +/* Provide definitions of the old symbol names to statisfy apps and + shared libs built against an older libgcc. To access the _xlq + symbols an explicit version reference is needed, so these won't + satisfy an unadorned reference like _xlqadd. If dot symbols are + not needed, the assembler will remove the aliases from the symbol + table. */ +__asm__ (".symver __gcc_qadd,_xlqadd@GCC_3.4\n\t" + ".symver __gcc_qsub,_xlqsub@GCC_3.4\n\t" + ".symver __gcc_qmul,_xlqmul@GCC_3.4\n\t" + ".symver __gcc_qdiv,_xlqdiv@GCC_3.4\n\t" + ".symver .__gcc_qadd,._xlqadd@GCC_3.4\n\t" + ".symver .__gcc_qsub,._xlqsub@GCC_3.4\n\t" + ".symver .__gcc_qmul,._xlqmul@GCC_3.4\n\t" + ".symver .__gcc_qdiv,._xlqdiv@GCC_3.4"); +#endif typedef union { @@ -73,7 +90,7 @@ static const double FPKINF = 1.0/0.0; /* Add two 'long double' values and return the result. */ long double -_xlqadd (double a, double b, double c, double d) +__gcc_qadd (double a, double b, double c, double d) { longDblUnion z; double t, tau, u, FPR_zero, FPR_PosInf; @@ -132,13 +149,13 @@ _xlqadd (double a, double b, double c, d } long double -_xlqsub (double a, double b, double c, double d) +__gcc_qsub (double a, double b, double c, double d) { - return _xlqadd (a, b, -c, -d); + return __gcc_qadd (a, b, -c, -d); } long double -_xlqmul (double a, double b, double c, double d) +__gcc_qmul (double a, double b, double c, double d) { longDblUnion z; double t, tau, u, v, w, FPR_zero, FPR_PosInf; @@ -169,7 +186,7 @@ _xlqmul (double a, double b, double c, d } long double -_xlqdiv (double a, double b, double c, double d) +__gcc_qdiv (double a, double b, double c, double d) { longDblUnion z; double s, sigma, t, tau, u, v, w, FPR_zero, FPR_PosInf; Index: gcc-3.3.3/gcc/config/rs6000/libgcc-ppc64.ver =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/libgcc-ppc64.ver 2009-11-20 13:04:57.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/libgcc-ppc64.ver 2009-11-20 13:06:36.000000000 +0100 @@ -1,7 +1,7 @@ -GCC_3.4 { +GCC_3.4.4 { # long double support - _xlqadd - _xlqsub - _xlqmul - _xlqdiv + __gcc_qadd + __gcc_qsub + __gcc_qmul + __gcc_qdiv } Index: gcc-3.3.3/gcc/config/rs6000/rs6000.c =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/rs6000.c 2009-11-20 13:04:57.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/rs6000.c 2009-11-20 13:06:36.000000000 +0100 @@ -1,6 +1,6 @@ /* Subroutines used for code generation on IBM RS/6000. Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) This file is part of GCC. @@ -4636,7 +4636,7 @@ function_arg (cum, mode, type, named) needs_psave = (type && (cum->nargs_prototype <= 0 || (DEFAULT_ABI == ABI_AIX - && TARGET_XL_CALL + && TARGET_XL_COMPAT && align_words >= GP_ARG_NUM_REG))); if (!needs_psave && mode == fmode) @@ -4733,7 +4733,7 @@ function_arg_partial_nregs (cum, mode, t && !(type && (cum->nargs_prototype <= 0 || (DEFAULT_ABI == ABI_AIX - && TARGET_XL_CALL + && TARGET_XL_COMPAT && align_words >= GP_ARG_NUM_REG)))) { if (cum->fregno + ((GET_MODE_SIZE (mode) + 7) >> 3) > FP_ARG_MAX_REG + 1) @@ -10119,10 +10119,34 @@ rs6000_generate_compare (code) emit_insn (cmp); } else - emit_insn (gen_rtx_SET (VOIDmode, compare_result, - gen_rtx_COMPARE (comp_mode, - rs6000_compare_op0, - rs6000_compare_op1))); + { + /* Generate XLC-compatible TFmode compare as PARALLEL with extra + CLOBBERs to match cmptf_internal2 pattern. */ + if (comp_mode == CCFPmode && TARGET_XL_COMPAT + && GET_MODE (rs6000_compare_op0) == TFmode + && (DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) + && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128) + emit_insn (gen_rtx_PARALLEL (VOIDmode, + gen_rtvec (9, + gen_rtx_SET (VOIDmode, + compare_result, + gen_rtx_COMPARE (comp_mode, + rs6000_compare_op0, + rs6000_compare_op1)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode)), + gen_rtx_CLOBBER (VOIDmode, gen_rtx_SCRATCH (DFmode))))); + else + emit_insn (gen_rtx_SET (VOIDmode, compare_result, + gen_rtx_COMPARE (comp_mode, + rs6000_compare_op0, + rs6000_compare_op1))); + } /* Some kinds of FP comparisons need an OR operation; under flag_finite_math_only we don't bother. */ Index: gcc-3.3.3/gcc/config/rs6000/rs6000.h =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/rs6000.h 2009-11-20 13:04:57.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/rs6000.h 2009-11-20 13:06:36.000000000 +0100 @@ -257,7 +257,7 @@ extern int target_flags; #define TARGET_POWERPC64 (target_flags & MASK_POWERPC64) #endif -#define TARGET_XL_CALL 0 +#define TARGET_XL_COMPAT 0 /* Run-time compilation parameters selecting different hardware subsets. @@ -3393,13 +3393,13 @@ do { \ \ /* AIX/Darwin/64-bit SVR4 quad floating point routines. */ \ add_optab->handlers[(int) TFmode].libfunc \ - = init_one_libfunc ("_xlqadd"); \ + = init_one_libfunc ("__gcc_qadd"); \ sub_optab->handlers[(int) TFmode].libfunc \ - = init_one_libfunc ("_xlqsub"); \ + = init_one_libfunc ("__gcc_qsub"); \ smul_optab->handlers[(int) TFmode].libfunc \ - = init_one_libfunc ("_xlqmul"); \ + = init_one_libfunc ("__gcc_qmul"); \ sdiv_optab->handlers[(int) TFmode].libfunc \ - = init_one_libfunc ("_xlqdiv"); \ + = init_one_libfunc ("__gcc_qdiv"); \ } \ else \ { \ Index: gcc-3.3.3/gcc/config/rs6000/rs6000.md =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/rs6000.md 2009-11-20 13:06:29.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/rs6000.md 2009-11-20 13:06:36.000000000 +0100 @@ -1,6 +1,6 @@ ;; Machine description for IBM RISC System 6000 (POWER) for GNU C compiler ;; Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, -;; 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. +;; 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. ;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) ;; This file is part of GCC. @@ -8213,14 +8213,36 @@ DONE; }) -(define_insn "trunctfdf2" +(define_expand "trunctfdf2" + [(set (match_operand:DF 0 "gpc_reg_operand" "") + (float_truncate:DF (match_operand:TF 1 "gpc_reg_operand" "")))] + "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) + && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128" + "") + +(define_insn_and_split "trunctfdf2_internal1" + [(set (match_operand:DF 0 "gpc_reg_operand" "=f,?f") + (float_truncate:DF (match_operand:TF 1 "gpc_reg_operand" "0,f")))] + "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && !TARGET_XL_COMPAT + && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128" + "@ + # + fmr %0,%1" + "&& reload_completed && REGNO (operands[0]) == REGNO (operands[1])" + [(const_int 0)] +{ + emit_note (0, NOTE_INSN_DELETED); + DONE; +} + [(set_attr "type" "fp")]) + +(define_insn "trunctfdf2_internal2" [(set (match_operand:DF 0 "gpc_reg_operand" "=f") (float_truncate:DF (match_operand:TF 1 "gpc_reg_operand" "f")))] - "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) + "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && TARGET_XL_COMPAT && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128" "fadd %0,%1,%L1" - [(set_attr "type" "fp") - (set_attr "length" "4")]) + [(set_attr "type" "fp")]) (define_insn_and_split "trunctfsf2" [(set (match_operand:SF 0 "gpc_reg_operand" "=f") @@ -11210,11 +11232,73 @@ [(set (match_operand:CCFP 0 "cc_reg_operand" "=y") (compare:CCFP (match_operand:TF 1 "gpc_reg_operand" "f") (match_operand:TF 2 "gpc_reg_operand" "f")))] - "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) + "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && !TARGET_XL_COMPAT && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128" "fcmpu %0,%1,%2\;bne %0,$+8\;fcmpu %0,%L1,%L2" [(set_attr "type" "fpcompare") (set_attr "length" "12")]) + + +(define_insn_and_split "*cmptf_internal2" + [(set (match_operand:CCFP 0 "cc_reg_operand" "=y") + (compare:CCFP (match_operand:TF 1 "gpc_reg_operand" "f") + (match_operand:TF 2 "gpc_reg_operand" "f"))) + (clobber (match_scratch:DF 3 "=f")) + (clobber (match_scratch:DF 4 "=f")) + (clobber (match_scratch:DF 5 "=f")) + (clobber (match_scratch:DF 6 "=f")) + (clobber (match_scratch:DF 7 "=f")) + (clobber (match_scratch:DF 8 "=f")) + (clobber (match_scratch:DF 9 "=f")) + (clobber (match_scratch:DF 10 "=f"))] + "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && TARGET_XL_COMPAT + && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128" + "#" + "&& reload_completed" + [(set (match_dup 3) (match_dup 13)) + (set (match_dup 4) (match_dup 14)) + (set (match_dup 9) (abs:DF (match_dup 5))) + (set (match_dup 0) (compare:CCFP (match_dup 9) (match_dup 3))) + (set (pc) (if_then_else (ne (match_dup 0) (const_int 0)) + (label_ref (match_dup 11)) + (pc))) + (set (match_dup 0) (compare:CCFP (match_dup 5) (match_dup 7))) + (set (pc) (label_ref (match_dup 12))) + (match_dup 11) + (set (match_dup 10) (minus:DF (match_dup 5) (match_dup 7))) + (set (match_dup 9) (minus:DF (match_dup 6) (match_dup 8))) + (set (match_dup 9) (plus:DF (match_dup 10) (match_dup 9))) + (set (match_dup 0) (compare:CCFP (match_dup 7) (match_dup 4))) + (match_dup 12)] +{ + REAL_VALUE_TYPE rv; + const int lo_word = FLOAT_WORDS_BIG_ENDIAN ? GET_MODE_SIZE (DFmode) : 0; + const int hi_word = FLOAT_WORDS_BIG_ENDIAN ? 0 : GET_MODE_SIZE (DFmode); + + operands[5] = simplify_gen_subreg (DFmode, operands[1], TFmode, hi_word); + operands[6] = simplify_gen_subreg (DFmode, operands[1], TFmode, lo_word); + operands[7] = simplify_gen_subreg (DFmode, operands[2], TFmode, hi_word); + operands[8] = simplify_gen_subreg (DFmode, operands[2], TFmode, lo_word); + operands[11] = gen_label_rtx (); + operands[12] = gen_label_rtx (); + real_inf (&rv); + operands[13] = force_const_mem (DFmode, + CONST_DOUBLE_FROM_REAL_VALUE (rv, DFmode)); + operands[14] = force_const_mem (DFmode, + CONST_DOUBLE_FROM_REAL_VALUE (dconst0, + DFmode)); + if (TARGET_TOC) + { + operands[13] = gen_rtx_MEM (DFmode, + create_TOC_reference (XEXP (operands[13], 0))); + operands[14] = gen_rtx_MEM (DFmode, + create_TOC_reference (XEXP (operands[14], 0))); + set_mem_alias_set (operands[13], get_TOC_alias_set ()); + set_mem_alias_set (operands[14], get_TOC_alias_set ()); + RTX_UNCHANGING_P (operands[13]) = 1; + RTX_UNCHANGING_P (operands[14]) = 1; + } +}) ;; Now we have the scc insns. We can do some combinations because of the ;; way the machine works. Index: gcc-3.3.3/gcc/config/rs6000/t-aix43 =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/t-aix43 2003-01-26 12:35:08.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/t-aix43 2009-11-20 13:06:36.000000000 +0100 @@ -58,9 +58,12 @@ SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2 SHLIB_INSTALL = $(INSTALL_DATA) @shlib_base_name@.a $$(DESTDIR)$$(slibdir)/ SHLIB_LIBS = -lc `case @shlib_base_name@ in *pthread*) echo -lpthread ;; esac` SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk -SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver +SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/rs6000/libgcc-ppc64.ver SHLIB_NM_FLAGS = -Bpg -X32_64 +# GCC 128-bit long double support routines. +LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/darwin-ldouble.c + # Either 32-bit and 64-bit objects in archives. AR_FLAGS_FOR_TARGET = -X32_64 Index: gcc-3.3.3/gcc/config/rs6000/t-aix52 =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/t-aix52 2003-01-26 12:35:08.000000000 +0100 +++ gcc-3.3.3/gcc/config/rs6000/t-aix52 2009-11-20 13:06:36.000000000 +0100 @@ -39,9 +39,12 @@ SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2 SHLIB_INSTALL = $(INSTALL_DATA) @shlib_base_name@.a $$(DESTDIR)$$(slibdir)/ SHLIB_LIBS = -lc `case @shlib_base_name@ in *pthread*) echo -lpthread ;; esac` SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk -SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver +SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/rs6000/libgcc-ppc64.ver SHLIB_NM_FLAGS = -Bpg -X32_64 +# GCC 128-bit long double support routines. +LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/darwin-ldouble.c + # Either 32-bit and 64-bit objects in archives. AR_FLAGS_FOR_TARGET = -X32_64 Index: gcc-3.3.3/gcc/config/rs6000/t-newas =================================================================== --- gcc-3.3.3.orig/gcc/config/rs6000/t-newas 2001-05-17 05:16:11.000000000 +0200 +++ gcc-3.3.3/gcc/config/rs6000/t-newas 2009-11-20 13:06:36.000000000 +0100 @@ -42,6 +42,9 @@ MULTILIB_MATCHES = msoft-float=mcpu?403 LIBGCC = stmp-multilib INSTALL_LIBGCC = install-multilib +# GCC 128-bit long double support routines. +LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/darwin-ldouble.c + # Aix 3.2.x needs milli.exp for -mcpu=common EXTRA_PARTS = milli.exp milli.exp: $(srcdir)/config/rs6000/milli.exp Index: gcc-3.3.3/gcc/doc/invoke.texi =================================================================== --- gcc-3.3.3.orig/gcc/doc/invoke.texi 2009-11-20 13:04:57.000000000 +0100 +++ gcc-3.3.3/gcc/doc/invoke.texi 2009-11-20 13:06:36.000000000 +0100 @@ -1,12 +1,12 @@ @c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -@c 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. +@c 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. @c This is part of the GCC manual. @c For copying conditions, see the file gcc.texi. @ignore @c man begin COPYRIGHT Copyright @copyright{} 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, -1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. +1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or @@ -406,7 +406,7 @@ in the following sections. -mpowerpc-gfxopt -mno-powerpc-gfxopt @gol -mnew-mnemonics -mold-mnemonics @gol -mfull-toc -mminimal-toc -mno-fp-in-toc -mno-sum-in-toc @gol --m64 -m32 -mxl-call -mno-xl-call -mpe @gol +-m64 -m32 -mxl-compat -mno-xl-compat -mpe @gol -msoft-float -mhard-float -mmultiple -mno-multiple @gol -mstring -mno-string -mupdate -mno-update @gol -mfused-madd -mno-fused-madd -mbit-align -mno-bit-align @gol @@ -6937,13 +6937,17 @@ Specifying @option{-maix64} implies @opt @option{-mpowerpc}, while @option{-maix32} disables the 64-bit ABI and implies @option{-mno-powerpc64}. GCC defaults to @option{-maix32}. -@item -mxl-call -@itemx -mno-xl-call -@opindex mxl-call -@opindex mno-xl-call -On AIX, pass floating-point arguments to prototyped functions beyond the -register save area (RSA) on the stack in addition to argument FPRs. The -AIX calling convention was extended but not initially documented to +@item -mxl-compat +@itemx -mno-xl-compat +@opindex mxl-compat +@opindex mno-xl-compat +Produce code that conforms more closely to IBM XLC semantics when using +AIX-compatible ABI. Pass floating-point arguments to prototyped +functions beyond the register save area (RSA) on the stack in addition +to argument FPRs. Do not assume that most significant double in 128 +bit long double value is properly rounded when comparing values. + +The AIX calling convention was extended but not initially documented to handle an obscure K&R C case of calling a function that takes the address of its arguments with fewer arguments than declared. AIX XL compilers access floating point arguments which do not fit in the
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