diff options
Diffstat (limited to 'tests/tcg/i386/test-i386-fldcst.c')
| -rw-r--r-- | tests/tcg/i386/test-i386-fldcst.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/tests/tcg/i386/test-i386-fldcst.c b/tests/tcg/i386/test-i386-fldcst.c new file mode 100644 index 0000000000..e635432ccf --- /dev/null +++ b/tests/tcg/i386/test-i386-fldcst.c @@ -0,0 +1,199 @@ +/* Test instructions loading floating-point constants. */ + +#include <stdint.h> +#include <stdio.h> + +volatile long double ld_res; + +int main(void) +{ + short cw; + int ret = 0; + + /* Round to nearest. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x000; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2t" : "=t" (ld_res)); + if (ld_res != 0x3.5269e12f346e2bf8p+0L) { + printf("FAIL: fldl2t N\n"); + ret = 1; + } + /* Round downward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x400; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2t" : "=t" (ld_res)); + if (ld_res != 0x3.5269e12f346e2bf8p+0L) { + printf("FAIL: fldl2t D\n"); + ret = 1; + } + /* Round toward zero. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0xc00; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2t" : "=t" (ld_res)); + if (ld_res != 0x3.5269e12f346e2bf8p+0L) { + printf("FAIL: fldl2t Z\n"); + ret = 1; + } + /* Round upward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x800; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2t" : "=t" (ld_res)); + if (ld_res != 0x3.5269e12f346e2bfcp+0L) { + printf("FAIL: fldl2t U\n"); + ret = 1; + } + + /* Round to nearest. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x000; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2e" : "=t" (ld_res)); + if (ld_res != 0x1.71547652b82fe178p+0L) { + printf("FAIL: fldl2e N\n"); + ret = 1; + } + /* Round downward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x400; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2e" : "=t" (ld_res)); + if (ld_res != 0x1.71547652b82fe176p+0L) { + printf("FAIL: fldl2e D\n"); + ret = 1; + } + /* Round toward zero. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0xc00; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2e" : "=t" (ld_res)); + if (ld_res != 0x1.71547652b82fe176p+0L) { + printf("FAIL: fldl2e Z\n"); + ret = 1; + } + /* Round upward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x800; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldl2e" : "=t" (ld_res)); + if (ld_res != 0x1.71547652b82fe178p+0L) { + printf("FAIL: fldl2e U\n"); + ret = 1; + } + + /* Round to nearest. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x000; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldpi" : "=t" (ld_res)); + if (ld_res != 0x3.243f6a8885a308d4p+0L) { + printf("FAIL: fldpi N\n"); + ret = 1; + } + /* Round downward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x400; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldpi" : "=t" (ld_res)); + if (ld_res != 0x3.243f6a8885a308dp+0L) { + printf("FAIL: fldpi D\n"); + ret = 1; + } + /* Round toward zero. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0xc00; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldpi" : "=t" (ld_res)); + if (ld_res != 0x3.243f6a8885a308dp+0L) { + printf("FAIL: fldpi Z\n"); + ret = 1; + } + /* Round upward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x800; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldpi" : "=t" (ld_res)); + if (ld_res != 0x3.243f6a8885a308d4p+0L) { + printf("FAIL: fldpi U\n"); + ret = 1; + } + + /* Round to nearest. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x000; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldlg2" : "=t" (ld_res)); + if (ld_res != 0x4.d104d427de7fbcc8p-4L) { + printf("FAIL: fldlg2 N\n"); + ret = 1; + } + /* Round downward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x400; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldlg2" : "=t" (ld_res)); + if (ld_res != 0x4.d104d427de7fbccp-4L) { + printf("FAIL: fldlg2 D\n"); + ret = 1; + } + /* Round toward zero. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0xc00; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldlg2" : "=t" (ld_res)); + if (ld_res != 0x4.d104d427de7fbccp-4L) { + printf("FAIL: fldlg2 Z\n"); + ret = 1; + } + /* Round upward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x800; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldlg2" : "=t" (ld_res)); + if (ld_res != 0x4.d104d427de7fbcc8p-4L) { + printf("FAIL: fldlg2 U\n"); + ret = 1; + } + + /* Round to nearest. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x000; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldln2" : "=t" (ld_res)); + if (ld_res != 0xb.17217f7d1cf79acp-4L) { + printf("FAIL: fldln2 N\n"); + ret = 1; + } + /* Round downward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x400; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldln2" : "=t" (ld_res)); + if (ld_res != 0xb.17217f7d1cf79abp-4L) { + printf("FAIL: fldln2 D\n"); + ret = 1; + } + /* Round toward zero. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0xc00; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldln2" : "=t" (ld_res)); + if (ld_res != 0xb.17217f7d1cf79abp-4L) { + printf("FAIL: fldln2 Z\n"); + ret = 1; + } + /* Round upward. */ + __asm__ volatile ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~0xc00) | 0x800; + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("fldln2" : "=t" (ld_res)); + if (ld_res != 0xb.17217f7d1cf79acp-4L) { + printf("FAIL: fldln2 U\n"); + ret = 1; + } + + return ret; +} |