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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/fenv/mips
parent97c8bdd88ae2ee03eb9d333a79fa669b3878fc76 (diff)
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floating point environment/exceptions support for mips
Diffstat (limited to 'src/fenv/mips')
-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