| // 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}} |
