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gcc-1.41
/* tm.h file for fmtowns, a 386 machine. */ #include "tm-i386gas.h" /* Control a conditional in i386.md, in call_value. */ #define FMTOWNS /* On this machine, we really avoid using the fpu registers if we have no fpu. */ #undef VALUE_REGNO #define VALUE_REGNO(MODE) \ ((TARGET_80387 && ((MODE)==SFmode || (MODE)==DFmode)) ? FIRST_FLOAT_REG : 0) #undef FUNCTION_VALUE_REGNO #define FUNCTION_VALUE_REGNO_P(N) \ (TARGET_80387 ? ((N) == 0 || ((N)== FIRST_FLOAT_REG)) : ((N) == 0)) #undef REG_CLASS_FROM_LETTER #define REG_CLASS_FROM_LETTER(C) \ ((C) == 'r' ? GENERAL_REGS : \ (C) == 'q' ? Q_REGS : \ (C) == 'f' ? (TARGET_80387 ? FLOAT_REGS : NO_REGS) : \ (C) == 'a' ? AREG : (C) == 'b' ? BREG : \ (C) == 'c' ? CREG : (C) == 'd' ? DREG : \ (C) == 'A' ? ADREG : \ (C) == 'S' ? SIREG : \ (C) == 'D' ? DIREG : NO_REGS)
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