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Annotation of gcc/config/i386sco.h, revision 1.1.1.1

1.1       root        1: /* Definitions for Intel 386 running SCO Unix System V.  */
                      2: 
                      3: 
                      4: /* Mostly it's like AT&T Unix System V. */
                      5: 
                      6: #include "i386v.h"
                      7: 
                      8: /* Use crt1.o as a startup file and crtn.o as a closing file.  */
                      9: 
                     10: #undef STARTFILE_SPEC
                     11: #define STARTFILE_SPEC  "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
                     12: 
                     13: #define ENDFILE_SPEC "crtn.o%s"
                     14: 
                     15: /* Library spec, including SCO international language support. */
                     16: 
                     17: #undef LIB_SPEC
                     18: #define LIB_SPEC \
                     19:  "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} %{scointl:libintl.a%s} -lc"
                     20: 
                     21: /* Specify predefined symbols in preprocessor.  */
                     22: 
                     23: #undef CPP_PREDEFINES
                     24: #define CPP_PREDEFINES "-Dunix -Di386 -DM_UNIX -DM_I386 -DM_COFF -DM_WORDSWAP"
                     25: 
                     26: #define CPP_SPEC "%{scointl:-DM_INTERNAT}"
                     27: 
                     28: #if 0 /* Not yet certain whether this is needed.  */
                     29: /* If no 387, use the general regs to return floating values,
                     30:    since this system does not emulate the 80387.  */
                     31: 
                     32: #define VALUE_REGNO(MODE) \
                     33:   ((TARGET_80387 && ((MODE) == SFmode || (MODE) == DFmode))
                     34:    ? FIRST_FLOAT_REG : 0)
                     35: 
                     36: #define HARD_REGNO_MODE_OK(REGNO, MODE) \
                     37:   ((REGNO) < 2 ? 1                                                     \
                     38:    : (REGNO) < 4 ? 1                                                   \
                     39:    : (REGNO) >= 8 ? ((GET_MODE_CLASS (MODE) == MODE_FLOAT              \
                     40:                      || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT)   \
                     41:                     && TARGET_80387                                    \
                     42:                     && GET_MODE_UNIT_SIZE (MODE) <= 8)                 \
                     43:    : (MODE) != QImode)
                     44: #endif

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