diff options
| author | Alexander Monakov <amonakov@ispras.ru> | 2020-01-11 18:14:24 +0300 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2020-03-24 16:31:36 -0400 |
| commit | 9443f1b5cfeba687f45b96572378519e81ff9a56 (patch) | |
| tree | 1bcb10b7cb7fc99c21cccd556dae541cc04214ff /src/math/x86_64 | |
| parent | 6bbdbfdcdeac216c4a13edd04dee1f6d87bd33c8 (diff) | |
| download | musl-9443f1b5cfeba687f45b96572378519e81ff9a56.tar.gz | |
math: move x87-family lrint functions to C with inline asm
Diffstat (limited to 'src/math/x86_64')
| -rw-r--r-- | src/math/x86_64/llrintl.c | 8 | ||||
| -rw-r--r-- | src/math/x86_64/llrintl.s | 7 | ||||
| -rw-r--r-- | src/math/x86_64/lrintl.c | 8 | ||||
| -rw-r--r-- | src/math/x86_64/lrintl.s | 7 |
4 files changed, 16 insertions, 14 deletions
diff --git a/src/math/x86_64/llrintl.c b/src/math/x86_64/llrintl.c new file mode 100644 index 00000000..c439ef28 --- /dev/null +++ b/src/math/x86_64/llrintl.c @@ -0,0 +1,8 @@ +#include <math.h> + +long long llrintl(long double x) +{ + long long r; + __asm__ ("fistpll %0" : "=m"(r) : "t"(x) : "st"); + return r; +} diff --git a/src/math/x86_64/llrintl.s b/src/math/x86_64/llrintl.s deleted file mode 100644 index 1ec0817d..00000000 --- a/src/math/x86_64/llrintl.s +++ /dev/null @@ -1,7 +0,0 @@ -.global llrintl -.type llrintl,@function -llrintl: - fldt 8(%rsp) - fistpll 8(%rsp) - mov 8(%rsp),%rax - ret diff --git a/src/math/x86_64/lrintl.c b/src/math/x86_64/lrintl.c new file mode 100644 index 00000000..068e2e4d --- /dev/null +++ b/src/math/x86_64/lrintl.c @@ -0,0 +1,8 @@ +#include <math.h> + +long lrintl(long double x) +{ + long r; + __asm__ ("fistpll %0" : "=m"(r) : "t"(x) : "st"); + return r; +} diff --git a/src/math/x86_64/lrintl.s b/src/math/x86_64/lrintl.s deleted file mode 100644 index d587b12b..00000000 --- a/src/math/x86_64/lrintl.s +++ /dev/null @@ -1,7 +0,0 @@ -.global lrintl -.type lrintl,@function -lrintl: - fldt 8(%rsp) - fistpll 8(%rsp) - mov 8(%rsp),%rax - ret |