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authorDavid CARLIER <[email protected]>2020-12-25 06:48:57 +0000
committerGitHub <[email protected]>2020-12-24 22:48:57 -0800
commit8c4c14ea73297af6709ee45beea41eafaaeb5374 (patch)
tree73e403dca90873eb3c650f1021f7f97b84d94354
parent6ae0115bf7cb07e54f6e3b32bea08ebbd8cebea6 (diff)
fast_roundf implementations in asm for ARM64. (#511)
-rw-r--r--common/alnumeric.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/common/alnumeric.h b/common/alnumeric.h
index 8d13f9bf..e16d7c1c 100644
--- a/common/alnumeric.h
+++ b/common/alnumeric.h
@@ -329,6 +329,12 @@ inline float fast_roundf(float f) noexcept
__asm__ __volatile__("frndint" : "=t"(out) : "0"(f));
return out;
+#elif (defined(__GNUC__) || defined(__clang__)) && defined(__aarch64__)
+
+ float out;
+ __asm__ volatile("frintx %s0, %s1" : "=w"(out) : "w"(f));
+ return out;
+
#else
/* Integral limit, where sub-integral precision is not available for