| 1 | /* |
| 2 | * Test the CONVERT TO DECIMAL instruction. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 5 | */ |
| 6 | #include <assert.h> |
| 7 | #include <stdint.h> |
| 8 | #include <stdlib.h> |
| 9 | |
| 10 | static uint64_t cvd(int32_t x) |
| 11 | { |
| 12 | uint64_t ret; |
| 13 | |
| 14 | asm("cvd %[x],%[ret]" : [ret] "=R" (ret) : [x] "r" (x)); |
| 15 | |
| 16 | return ret; |
| 17 | } |
| 18 | |
| 19 | static uint64_t cvdy(int32_t x) |
| 20 | { |
| 21 | uint64_t ret; |
| 22 | |
| 23 | asm("cvdy %[x],%[ret]" : [ret] "=T" (ret) : [x] "r" (x)); |
| 24 | |
| 25 | return ret; |
| 26 | } |
| 27 | |
| 28 | static __uint128_t cvdg(int64_t x) |
| 29 | { |
| 30 | __uint128_t ret; |
| 31 | |
| 32 | asm("cvdg %[x],%[ret]" : [ret] "=T" (ret) : [x] "r" (x)); |
| 33 | |
| 34 | return ret; |
| 35 | } |
| 36 | |
| 37 | int main(void) |
| 38 | { |
| 39 | __uint128_t m = (((__uint128_t)0x9223372036854775) << 16) | 0x8070; |
| 40 | |
| 41 | assert(cvd(0) == 0xc); |
| 42 | assert(cvd(1) == 0x1c); |
| 43 | assert(cvd(25594) == 0x25594c); |
| 44 | assert(cvd(-1) == 0x1d); |
| 45 | assert(cvd(0x7fffffff) == 0x2147483647c); |
| 46 | assert(cvd(-0x80000000) == 0x2147483648d); |
| 47 | |
| 48 | assert(cvdy(0) == 0xc); |
| 49 | assert(cvdy(1) == 0x1c); |
| 50 | assert(cvdy(25594) == 0x25594c); |
| 51 | assert(cvdy(-1) == 0x1d); |
| 52 | assert(cvdy(0x7fffffff) == 0x2147483647c); |
| 53 | assert(cvdy(-0x80000000) == 0x2147483648d); |
| 54 | |
| 55 | assert(cvdg(0) == 0xc); |
| 56 | assert(cvdg(1) == 0x1c); |
| 57 | assert(cvdg(25594) == 0x25594c); |
| 58 | assert(cvdg(-1) == 0x1d); |
| 59 | assert(cvdg(0x7fffffffffffffff) == (m + 0xc)); |
| 60 | assert(cvdg(-0x8000000000000000) == (m + 0x1d)); |
| 61 | |
| 62 | return EXIT_SUCCESS; |
| 63 | } |