diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/amx-helper.h')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/amx-helper.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/amx-helper.h b/gcc/testsuite/gcc.target/i386/amx-helper.h index 847882d..0fdea0c 100644 --- a/gcc/testsuite/gcc.target/i386/amx-helper.h +++ b/gcc/testsuite/gcc.target/i386/amx-helper.h @@ -157,4 +157,25 @@ for (int j = 0; j < 32; j++) \ abort(); \ } +/* Mask low 13bits to zero */ +static float zero_lower_mantissa_bits_fp32 (float x) +{ + union32f_ud tmp; + tmp.f = x; + tmp.u = tmp.u & 0xffffe000; + return tmp.f; +} + +/* Handle SNAN */ +static float silence_snan_fp32 (float x) +{ + union32f_ud tmp; + tmp.f = x; + if ((((tmp.u & 0x7f800000) >> 23) == 0xff) && + ((tmp.u & 0x007fffff) != 0) && + ((tmp.u & 0x00400000) == 0)) + tmp.u = tmp.u | 0x00400000; + return tmp.f; +} + #endif |