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authorRich Felker <dalias@aerifal.cx>2016-04-18 05:19:13 +0000
committerRich Felker <dalias@aerifal.cx>2016-04-18 05:19:13 +0000
commit5972c4a4113e2a4de5edf519faf15296ae1eb3ed (patch)
tree6e808f23bb96a9b8a82eb505e2a719f4f42a758d /src/fenv
parent6d99ad91e869aab35a4d76d34c3c9eaf29482bad (diff)
downloadmusl-5972c4a4113e2a4de5edf519faf15296ae1eb3ed.tar.gz
add mips n32 port (ILP32 ABI for mips64)
based on patch submitted by Jaydeep Patil, with minor changes.
Diffstat (limited to 'src/fenv')
-rw-r--r--src/fenv/mipsn32/fenv-sf.c3
-rw-r--r--src/fenv/mipsn32/fenv.S70
2 files changed, 73 insertions, 0 deletions
diff --git a/src/fenv/mipsn32/fenv-sf.c b/src/fenv/mipsn32/fenv-sf.c
new file mode 100644
index 00000000..4aa3dbf1
--- /dev/null
+++ b/src/fenv/mipsn32/fenv-sf.c
@@ -0,0 +1,3 @@
+#ifdef __mips_soft_float
+#include "../fenv.c"
+#endif
diff --git a/src/fenv/mipsn32/fenv.S b/src/fenv/mipsn32/fenv.S
new file mode 100644
index 00000000..cce6436b
--- /dev/null
+++ b/src/fenv/mipsn32/fenv.S
@@ -0,0 +1,70 @@
+#ifndef __mips_soft_float
+
+.set noreorder
+.global feclearexcept
+.type feclearexcept,@function
+feclearexcept:
+ and $4, $4, 0x7c
+ 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:
+ and $4, $4, 0x7c
+ cfc1 $5, $31
+ or $5, $5, $4
+ ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+.global fetestexcept
+.type fetestexcept,@function
+fetestexcept:
+ and $4, $4, 0x7c
+ 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
+ ctc1 $5, $31
+ 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:
+ addiu $5, $4, 1
+ beq $5, $0, 1f
+ nop
+ lw $5, 0($4)
+1: ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+#endif