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authorRich Felker <dalias@aerifal.cx>2012-10-18 20:19:53 -0400
committerRich Felker <dalias@aerifal.cx>2012-10-18 20:19:53 -0400
commitf321de9e0ae130e21faab5afe109270ec913602d (patch)
tree91efafaac63b0469d28f419b22f0978aacd47675 /src
parent97c8bdd88ae2ee03eb9d333a79fa669b3878fc76 (diff)
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floating point environment/exceptions support for mips
Diffstat (limited to 'src')
-rw-r--r--src/fenv/mips/fenv.s60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/fenv/mips/fenv.s b/src/fenv/mips/fenv.s
new file mode 100644
index 00000000..49ff36c0
--- /dev/null
+++ b/src/fenv/mips/fenv.s
@@ -0,0 +1,60 @@
+.set noreorder
+
+.global feclearexcept
+.type feclearexcept,@function
+feclearexcept:
+ cfc1 $5, $31
+ or $5, $5, $4
+ xor $5, $5, $4
+ ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+.global feraiseexcept
+.type feraiseexcept,@function
+feraiseexcept:
+ cfc1 $5, $31
+ or $5, $5, $4
+ ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+.global fetestexcept
+.type fetestexcept,@function
+fetestexcept:
+ cfc1 $2, $31
+ jr $ra
+ and $2, $2, $4
+
+.global fegetround
+.type fegetround,@function
+fegetround:
+ cfc1 $2, $31
+ jr $ra
+ andi $2, $2, 3
+
+.global fesetround
+.type fesetround,@function
+fesetround:
+ cfc1 $5, $31
+ li $6, -4
+ and $5, $5, $6
+ or $5, $5, $4
+ jr $ra
+ li $2, 0
+
+.global fegetenv
+.type fegetenv,@function
+fegetenv:
+ cfc1 $5, $31
+ sw $5, 0($4)
+ jr $ra
+ li $2, 0
+
+.global fesetenv
+.type fesetenv,@function
+fesetenv:
+ lw $5, 0($4)
+ ctc1 $5, $31
+ jr $ra
+ li $2, 0