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Unified Diff: fusl/src/math/i386/atan2.s

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/math/i386/atan2.s
diff --git a/fusl/src/math/i386/atan2.s b/fusl/src/math/i386/atan2.s
new file mode 100644
index 0000000000000000000000000000000000000000..a7d2979b050cbdeec7989b208ad0e55e6ccc7f91
--- /dev/null
+++ b/fusl/src/math/i386/atan2.s
@@ -0,0 +1,17 @@
+.global atan2
+.type atan2,@function
+atan2:
+ fldl 4(%esp)
+ fldl 12(%esp)
+ fpatan
+ fstl 4(%esp)
+ mov 8(%esp),%eax
+ add %eax,%eax
+ cmp $0x00200000,%eax
+ jae 1f
+ # subnormal x, return x with underflow
+ fnstsw %ax
+ and $16,%ax
+ jnz 1f
+ fsts 4(%esp)
+1: ret
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