// RUN: %clang_cc1 -verify -ffixed-point %s /* We do not yet support long long. No recommended bit widths are given for this * size. */ long long _Accum longlong_accum; // expected-error{{'long long _Accum' is invalid}} unsigned long long _Accum u_longlong_accum; // expected-error{{'long long _Accum' is invalid}} long long _Fract longlong_fract; // expected-error{{'long long _Fract' is invalid}} unsigned long long _Fract u_longlong_fract; // expected-error{{'long long _Fract' is invalid}} _Sat long long _Accum sat_longlong_accum; // expected-error{{'long long _Accum' is invalid}} _Sat unsigned long long _Accum sat_u_longlong_accum; // expected-error{{'long long _Accum' is invalid}} _Sat long long _Fract sat_longlong_fract; // expected-error{{'long long _Fract' is invalid}} _Sat unsigned long long _Fract sat_u_longlong_fract; // expected-error{{'long long _Fract' is invalid}} /* Although _Complex types work with floating point numbers, the extension * provides no info for complex fixed point types. */ _Complex signed short _Accum cmplx_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex signed _Accum cmplx_s_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex signed long _Accum cmplx_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex unsigned short _Accum cmplx_u_short_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex unsigned _Accum cmplx_u_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex unsigned long _Accum cmplx_u_long_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex short _Accum cmplx_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Accum cmplx_s_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex long _Accum cmplx_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex signed short _Fract cmplx_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex signed _Fract cmplx_s_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex signed long _Fract cmplx_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex unsigned short _Fract cmplx_u_short_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex unsigned _Fract cmplx_u_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex unsigned long _Fract cmplx_u_long_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex short _Fract cmplx_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex _Fract cmplx_s_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex long _Fract cmplx_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex _Sat signed short _Accum cmplx_sat_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat signed _Accum cmplx_sat_s_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat signed long _Accum cmplx_sat_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat unsigned short _Accum cmplx_sat_u_short_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat unsigned _Accum cmplx_sat_u_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat unsigned long _Accum cmplx_sat_u_long_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat short _Accum cmplx_sat_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat _Accum cmplx_sat_s_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex _Sat long _Accum cmplx_sat_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} _Complex signed short _Fract cmplx_sat_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex signed _Fract cmplx_sat_s_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex signed long _Fract cmplx_sat_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex unsigned short _Fract cmplx_sat_u_short_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex unsigned _Fract cmplx_sat_u_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex unsigned long _Fract cmplx_sat_u_long_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex short _Fract cmplx_sat_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex _Fract cmplx_sat_s_fract; // expected-error{{'_Complex _Fract' is invalid}} _Complex long _Fract cmplx_sat_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} /* Bad combinations */ float _Accum f_accum; // expected-error{{cannot combine with previous 'float' declaration specifier}} double _Accum d_accum; // expected-error{{cannot combine with previous 'double' declaration specifier}} _Bool _Accum b_accum; // expected-error{{cannot combine with previous '_Bool' declaration specifier}} char _Accum c_accum; // expected-error{{cannot combine with previous 'char' declaration specifier}} int _Accum i_accum; // expected-error{{cannot combine with previous 'int' declaration specifier}} float _Fract f_fract; // expected-error{{cannot combine with previous 'float' declaration specifier}} double _Fract d_fract; // expected-error{{cannot combine with previous 'double' declaration specifier}} _Bool _Fract b_fract; // expected-error{{cannot combine with previous '_Bool' declaration specifier}} char _Fract c_fract; // expected-error{{cannot combine with previous 'char' declaration specifier}} int _Fract i_fract; // expected-error{{cannot combine with previous 'int' declaration specifier}} /* Bad saturated combinations */ _Sat float f; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'float'}} _Sat double d; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'double'}} _Sat _Bool b; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not '_Bool'}} _Sat char c; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'char'}} _Sat int i; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'int'}} _Sat _Sat _Fract fract; // expected-warning{{duplicate '_Sat' declaration specifier}} /* Literals that cannot fit into types */ signed short _Accum s_short_accum = 256.0hk; // expected-error{{this value is too large for this fixed point type}} unsigned short _Accum u_short_accum = 256.0uhk; // expected-error{{this value is too large for this fixed point type}} signed _Accum s_accum = 65536.0k; // expected-error{{this value is too large for this fixed point type}} unsigned _Accum u_accum = 65536.0uk; // expected-error{{this value is too large for this fixed point type}} signed long _Accum s_long_accum = 4294967296.0lk; // expected-error{{this value is too large for this fixed point type}} unsigned long _Accum u_long_accum = 4294967296.0ulk; // expected-error{{this value is too large for this fixed point type}} // Large values from decimal exponents short _Accum short_accum_exp = 2.56e2hk; // expected-error{{this value is too large for this fixed point type}} _Accum accum_exp = 6.5536e4k; // expected-error{{this value is too large for this fixed point type}} long _Accum long_accum_exp = 4.294967296e9lk; // expected-error{{this value is too large for this fixed point type}} unsigned short _Accum u_short_accum_exp = 2.56e2uhk; // expected-error{{this value is too large for this fixed point type}} unsigned _Accum u_accum_exp = 6.5536e4uk; // expected-error{{this value is too large for this fixed point type}} unsigned long _Accum u_long_accum_exp = 4.294967296e9ulk; // expected-error{{this value is too large for this fixed point type}} // Large value from hexidecimal exponents short _Accum short_accum_hex_exp = 0x1p8hk; // expected-error{{this value is too large for this fixed point type}} _Accum accum_hex_exp = 0x1p16k; // expected-error{{this value is too large for this fixed point type}} long _Accum long_accum_hex_exp = 0x1p32lk; // expected-error{{this value is too large for this fixed point type}} unsigned short _Accum u_short_accum_hex_exp = 0x1p8uhk; // expected-error{{this value is too large for this fixed point type}} unsigned _Accum u_accum_hex_exp = 0x1p16uk; // expected-error{{this value is too large for this fixed point type}} unsigned long _Accum u_long_accum_hex_exp = 0x1p32ulk; // expected-error{{this value is too large for this fixed point type}} // Very large exponent _Accum x = 1e1000000000000000000000000000000000k; // expected-error{{this value is too large for this fixed point type}} /* Although _Fract's cannot equal 1, _Fract literals written as 1 are allowed * and the underlying value represents the max value for that _Fract type. */ short _Fract short_fract_above_1 = 1.1hr; // expected-error{{this value is too large for this fixed point type}} _Fract fract_above_1 = 1.1r; // expected-error{{this value is too large for this fixed point type}} long _Fract long_fract_above_1 = 1.1lr; // expected-error{{this value is too large for this fixed point type}} unsigned short _Fract u_short_fract_above_1 = 1.1uhr; // expected-error{{this value is too large for this fixed point type}} unsigned _Fract u_fract_above_1 = 1.1ur; // expected-error{{this value is too large for this fixed point type}} unsigned long _Fract u_long_fract_above_1 = 1.1ulr; // expected-error{{this value is too large for this fixed point type}} short _Fract short_fract_hex_exp = 0x0.fp1hr; // expected-error{{this value is too large for this fixed point type}} _Fract fract_hex_exp = 0x0.fp1r; // expected-error{{this value is too large for this fixed point type}} long _Fract long_fract_hex_exp = 0x0.fp1lr; // expected-error{{this value is too large for this fixed point type}} unsigned short _Fract u_short_fract_hex_exp = 0x0.fp1uhr; // expected-error{{this value is too large for this fixed point type}} unsigned _Fract u_fract_hex_exp = 0x0.fp1ur; // expected-error{{this value is too large for this fixed point type}} unsigned long _Fract u_long_fract_hex_exp = 0x0.fp1ulr; // expected-error{{this value is too large for this fixed point type}} /* Do not allow typedef to be used with typedef'd types */ typedef short _Fract shortfract_t; typedef short _Accum shortaccum_t; typedef _Fract fract_t; typedef _Accum accum_t; typedef long _Fract longfract_t; typedef long _Accum longaccum_t; _Sat shortfract_t td_sat_short_fract; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} _Sat shortaccum_t td_sat_short_accum; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} _Sat fract_t td_sat_fract; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} _Sat accum_t td_sat_accum; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} _Sat longfract_t td_sat_long_fract; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} _Sat longaccum_t td_sat_long_accum; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} /* Bad suffixes */ _Accum fk = 1.0fk; // expected-error{{invalid suffix 'fk' on fixed-point constant}} _Accum kk = 1.0kk; // expected-error{{invalid suffix 'kk' on fixed-point constant}} _Accum rk = 1.0rk; // expected-error{{invalid suffix 'rk' on fixed-point constant}} _Accum rk = 1.0rr; // expected-error{{invalid suffix 'rr' on fixed-point constant}} _Accum qk = 1.0qr; // expected-error{{invalid suffix 'qr' on fixed-point constant}} /* Using wrong exponent notation */ _Accum dec_with_hex_exp1 = 0.1p10k; // expected-error{{invalid suffix 'p10k' on fixed-point constant}} _Accum dec_with_hex_exp2 = 0.1P10k; // expected-error{{invalid suffix 'P10k' on fixed-point constant}} _Accum hex_with_dex_exp1 = 0x0.1e10k; // expected-error{{hexadecimal floating constant requires an exponent}} _Accum hex_with_dex_exp2 = 0x0.1E10k; // expected-error{{hexadecimal floating constant requires an exponent}} void CheckSuffixOnIntegerLiterals() { _Accum short_acc_int; _Accum acc_int; _Accum long_acc_int; _Accum u_short_acc_int; _Accum u_acc_int; _Accum u_long_acc_int; _Fract short_fract_int; _Fract fract_int; _Fract long_fract_int; _Fract u_short_fract_int; _Fract u_fract_int; _Fract u_long_fract_int; // Decimal integer literals (non-zero) short_acc_int = 10hk; // expected-error{{invalid suffix 'hk' on integer constant}} acc_int = 10k; // expected-error{{invalid suffix 'k' on integer constant}} long_acc_int = 10lk; // expected-error{{invalid suffix 'lk' on integer constant}} u_short_acc_int = 10uhk; // expected-error{{invalid suffix 'uhk' on integer constant}} u_acc_int = 10uk; // expected-error{{invalid suffix 'uk' on integer constant}} u_long_acc_int = 10ulk; // expected-error{{invalid suffix 'ulk' on integer constant}} short_fract_int = 10hr; // expected-error{{invalid suffix 'hr' on integer constant}} fract_int = 10r; // expected-error{{invalid suffix 'r' on integer constant}} long_fract_int = 10lr; // expected-error{{invalid suffix 'lr' on integer constant}} u_short_fract_int = 10uhr; // expected-error{{invalid suffix 'uhr' on integer constant}} u_fract_int = 10ur; // expected-error{{invalid suffix 'ur' on integer constant}} u_long_fract_int = 10ulr; // expected-error{{invalid suffix 'ulr' on integer constant}} // Decimal integer literals (0) short_acc_int = 0hk; // expected-error{{invalid suffix 'hk' on integer constant}} acc_int = 0k; // expected-error{{invalid suffix 'k' on integer constant}} long_acc_int = 0lk; // expected-error{{invalid suffix 'lk' on integer constant}} // Decimal integer literals (large number) acc_int = 999999999999999999k; // expected-error{{invalid suffix 'k' on integer constant}} fract_int = 999999999999999999r; // expected-error{{invalid suffix 'r' on integer constant}} // Octal integer literals short_acc_int = 010hk; // expected-error{{invalid suffix 'hk' on integer constant}} acc_int = 010k; // expected-error{{invalid suffix 'k' on integer constant}} long_acc_int = 010lk; // expected-error{{invalid suffix 'lk' on integer constant}} u_short_acc_int = 010uhk; // expected-error{{invalid suffix 'uhk' on integer constant}} u_acc_int = 010uk; // expected-error{{invalid suffix 'uk' on integer constant}} u_long_acc_int = 010ulk; // expected-error{{invalid suffix 'ulk' on integer constant}} short_fract_int = 010hr; // expected-error{{invalid suffix 'hr' on integer constant}} fract_int = 010r; // expected-error{{invalid suffix 'r' on integer constant}} long_fract_int = 010lr; // expected-error{{invalid suffix 'lr' on integer constant}} u_short_fract_int = 010uhr; // expected-error{{invalid suffix 'uhr' on integer constant}} u_fract_int = 010ur; // expected-error{{invalid suffix 'ur' on integer constant}} u_long_fract_int = 010ulr; // expected-error{{invalid suffix 'ulr' on integer constant}} // Hexadecimal integer literals short_acc_int = 0x10hk; // expected-error{{invalid suffix 'hk' on integer constant}} acc_int = 0x10k; // expected-error{{invalid suffix 'k' on integer constant}} long_acc_int = 0x10lk; // expected-error{{invalid suffix 'lk' on integer constant}} u_short_acc_int = 0x10uhk; // expected-error{{invalid suffix 'uhk' on integer constant}} u_acc_int = 0x10uk; // expected-error{{invalid suffix 'uk' on integer constant}} u_long_acc_int = 0x10ulk; // expected-error{{invalid suffix 'ulk' on integer constant}} short_fract_int = 0x10hr; // expected-error{{invalid suffix 'hr' on integer constant}} fract_int = 0x10r; // expected-error{{invalid suffix 'r' on integer constant}} long_fract_int = 0x10lr; // expected-error{{invalid suffix 'lr' on integer constant}} u_short_fract_int = 0x10uhr; // expected-error{{invalid suffix 'uhr' on integer constant}} u_fract_int = 0x10ur; // expected-error{{invalid suffix 'ur' on integer constant}} u_long_fract_int = 0x10ulr; // expected-error{{invalid suffix 'ulr' on integer constant}} // Using auto auto auto_fract = 0r; // expected-error{{invalid suffix 'r' on integer constant}} // expected-warning@-1{{type specifier missing, defaults to 'int'}} auto auto_accum = 0k; // expected-error{{invalid suffix 'k' on integer constant}} // expected-warning@-1{{type specifier missing, defaults to 'int'}} } // Ok conversions int i_const = -2.5hk; _Sat short _Accum sat_sa_const2 = 256.0k; _Sat unsigned short _Accum sat_usa_const = -1.0hk; short _Accum sa_const3 = 2; short _Accum sa_const4 = -2; // Overflow short _Accum sa_const = 256.0k; // expected-warning{{implicit conversion from 256.0 cannot fit within the range of values for 'short _Accum'}} short _Fract sf_const = 1.0hk; // expected-warning{{implicit conversion from 1.0 cannot fit within the range of values for 'short _Fract'}} unsigned _Accum ua_const = -1.0k; // expected-warning{{implicit conversion from -1.0 cannot fit within the range of values for 'unsigned _Accum'}} short _Accum sa_const2 = 128.0k + 128.0k; // expected-warning{{implicit conversion from 256.0 cannot fit within the range of values for 'short _Accum'}} short s_const = 65536.0lk; // expected-warning{{implicit conversion from 65536.0 cannot fit within the range of values for 'short'}} unsigned u_const = -2.5hk; // expected-warning{{implicit conversion from -2.5 cannot fit within the range of values for 'unsigned int'}} char c_const = 256.0uk; // expected-warning{{implicit conversion from 256.0 cannot fit within the range of values for 'char'}} short _Accum sa_const5 = 256; // expected-warning{{implicit conversion from 256 cannot fit within the range of values for 'short _Accum'}} unsigned short _Accum usa_const2 = -2; // expected-warning{{implicit conversion from -2 cannot fit within the range of values for 'unsigned short _Accum'}} short _Accum add_ovf1 = 255.0hk + 20.0hk; // expected-warning {{overflow in expression; result is -237.0 with type 'short _Accum'}} short _Accum add_ovf2 = 10 + 0.5hr; // expected-warning {{overflow in expression; result is 0.5 with type 'short _Fract'}} short _Accum sub_ovf1 = 16.0uhk - 32.0uhk; // expected-warning {{overflow in expression; result is 240.0 with type 'unsigned short _Accum'}} short _Accum sub_ovf2 = -255.0hk - 20; // expected-warning {{overflow in expression; result is 237.0 with type 'short _Accum'}} short _Accum mul_ovf1 = 200.0uhk * 10.0uhk; // expected-warning {{overflow in expression; result is 208.0 with type 'unsigned short _Accum'}} short _Accum mul_ovf2 = (-0.5hr - 0.5hr) * (-0.5hr - 0.5hr); // expected-warning {{overflow in expression; result is -1.0 with type 'short _Fract'}} short _Accum div_ovf1 = 255.0hk / 0.5hk; // expected-warning {{overflow in expression; result is -2.0 with type 'short _Accum'}} short _Accum shl_ovf1 = 255.0hk << 8; // expected-warning {{overflow in expression; result is -256.0 with type 'short _Accum'}} short _Fract shl_ovf2 = -0.25hr << 3; // expected-warning {{overflow in expression; result is 0.0 with type 'short _Fract'}} unsigned short _Accum shl_ovf3 = 100.5uhk << 3; // expected-warning {{overflow in expression; result is 36.0 with type 'unsigned short _Accum'}} short _Fract shl_ovf4 = 0.25hr << 2; // expected-warning {{overflow in expression; result is -1.0 with type 'short _Fract'}} _Accum shl_bw1 = 0.000091552734375k << 32; // expected-warning {{shift count >= width of type}} \ expected-warning {{overflow in expression; result is -65536.0 with type '_Accum'}} unsigned _Fract shl_bw2 = 0.65ur << 16; // expected-warning {{shift count >= width of type}} \ expected-warning {{overflow in expression; result is 0.0 with type 'unsigned _Fract'}} _Sat short _Accum shl_bw3 = (_Sat short _Accum)80.0hk << 17; // expected-warning {{shift count >= width of type}} short _Accum shr_bw1 = 1.0hk >> 17; // expected-warning {{shift count >= width of type}} _Accum shl_neg1 = 25.5k << -5; // expected-warning {{shift count is negative}} \ // expected-warning {{overflow in expression; result is 0.0 with type '_Accum'}} _Accum shr_neg1 = 8.75k >> -9; // expected-warning {{shift count is negative}} _Fract shl_neg2 = 0.25r << -17; // expected-warning {{shift count is negative}} \ // expected-warning {{overflow in expression; result is 0.0 with type '_Fract'}} // No warnings for saturation short _Fract add_sat = (_Sat short _Fract)0.5hr + 0.5hr; short _Accum sub_sat = (_Sat short _Accum)-200.0hk - 80.0hk; short _Accum mul_sat = (_Sat short _Accum)80.0hk * 10.0hk; short _Fract div_sat = (_Sat short _Fract)0.9hr / 0.1hr; short _Accum shl_sat = (_Sat short _Accum)200.0hk << 5; // Division by zero short _Accum div_zero = 4.5k / 0.0lr; // expected-error {{initializer element is not a compile-time constant}}