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Message-Id: <20240613083042.562213-1-mzh@mzh.io> Date: Thu, 13 Jun 2024 16:30:42 +0800 From: Meng Zhuo <mzh@....io> To: musl@...ts.openwall.com Subject: [PATCH v2] math: add riscv64 llround[f]/lround[f] --- src/math/riscv64/llround.c | 16 ++++++++++++++++ src/math/riscv64/llroundf.c | 16 ++++++++++++++++ src/math/riscv64/lround.c | 16 ++++++++++++++++ src/math/riscv64/lroundf.c | 16 ++++++++++++++++ 4 files changed, 64 insertions(+) create mode 100644 src/math/riscv64/llround.c create mode 100644 src/math/riscv64/llroundf.c create mode 100644 src/math/riscv64/lround.c create mode 100644 src/math/riscv64/lroundf.c --- v1 -> v2: * adds lround[f] --- diff --git a/src/math/riscv64/llround.c b/src/math/riscv64/llround.c new file mode 100644 index 00000000..fa646b5a --- /dev/null +++ b/src/math/riscv64/llround.c @@ -0,0 +1,16 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +long long llround(double x) +{ + long long n; + __asm__ ("fcvt.l.d %0, %1, rmm" : "=r"(n) : "f"(x)); + return n; +} + +#else + +#include "../llround.c" + +#endif diff --git a/src/math/riscv64/llroundf.c b/src/math/riscv64/llroundf.c new file mode 100644 index 00000000..db2d58df --- /dev/null +++ b/src/math/riscv64/llroundf.c @@ -0,0 +1,16 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +long long llroundf(float x) +{ + long long n; + __asm__ ("fcvt.l.s %0, %1, rmm" : "=r"(n) : "f"(x)); + return n; +} + +#else + +#include "../llroundf.c" + +#endif diff --git a/src/math/riscv64/lround.c b/src/math/riscv64/lround.c new file mode 100644 index 00000000..4535d4b6 --- /dev/null +++ b/src/math/riscv64/lround.c @@ -0,0 +1,16 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +long lround(double x) +{ + long n; + __asm__ ("fcvt.w.d %0, %1, rmm" : "=r"(n) : "f"(x)); + return n; +} + +#else + +#include "../lround.c" + +#endif diff --git a/src/math/riscv64/lroundf.c b/src/math/riscv64/lroundf.c new file mode 100644 index 00000000..9779c1cd --- /dev/null +++ b/src/math/riscv64/lroundf.c @@ -0,0 +1,16 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +long lroundf(float x) +{ + long n; + __asm__ ("fcvt.w.s %0, %1, rmm" : "=r"(n) : "f"(x)); + return n; +} + +#else + +#include "../lroundf.c" + +#endif -- 2.39.2
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