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authorpommicket <pommicket@gmail.com>2022-02-20 13:18:21 -0800
committerpommicket <pommicket@gmail.com>2022-02-20 13:18:21 -0800
commit9bc8a11afeed3569736b89754012e3ca22ee10f6 (patch)
tree5f0ec0d5c05f879b1ee86adfa654ed3ef2178d5f /05/musl-0.6.0/src/math/i386/s_trunc.s
parent0f97a589b800bdb71dda05984192f0f66a52edaa (diff)
conclusion
Diffstat (limited to '05/musl-0.6.0/src/math/i386/s_trunc.s')
-rw-r--r--05/musl-0.6.0/src/math/i386/s_trunc.s36
1 files changed, 36 insertions, 0 deletions
diff --git a/05/musl-0.6.0/src/math/i386/s_trunc.s b/05/musl-0.6.0/src/math/i386/s_trunc.s
new file mode 100644
index 0000000..0773891
--- /dev/null
+++ b/05/musl-0.6.0/src/math/i386/s_trunc.s
@@ -0,0 +1,36 @@
+.global ceilf
+ceilf: flds 4(%esp)
+ jmp 1f
+
+.global ceil
+ceil: fldl 4(%esp)
+1: mov $0x08fb,%edx
+ jmp 0f
+
+.global floorf
+floorf: flds 4(%esp)
+ jmp 1f
+
+.global floor
+floor: fldl 4(%esp)
+1: mov $0x04f7,%edx
+ jmp 0f
+
+.global truncf
+truncf: flds 4(%esp)
+ jmp 1f
+
+.global trunc
+trunc: fldl 4(%esp)
+1: mov $0x0cff,%edx
+
+0: fstcw 4(%esp)
+ mov 5(%esp),%ah
+ or %dh,%ah
+ and %dl,%ah
+ xchg %ah,5(%esp)
+ fldcw 4(%esp)
+ frndint
+ mov %ah,5(%esp)
+ fldcw 4(%esp)
+ ret