Remove ARM/MIPS fenv duplication.
Bug: http://b/32709207
Test: ran tests
Change-Id: I58d354e9f8b1e6023427ba271bf39e4e24b7f8ab
diff --git a/libc/include/bits/fenv_inlines_arm.h b/libc/include/bits/fenv_inlines_arm.h
new file mode 100644
index 0000000..e8b89ea
--- /dev/null
+++ b/libc/include/bits/fenv_inlines_arm.h
@@ -0,0 +1,142 @@
+/*-
+ * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/lib/msun/arm/fenv.c,v 1.1 2004/06/06 10:03:59 das Exp $
+ */
+
+#pragma once
+
+#include <sys/cdefs.h>
+
+#if defined(__arm__)
+
+#if !defined(__BIONIC_FENV_INLINE)
+#define __BIONIC_FENV_INLINE static __inline
+#endif
+
+#include <bits/fenv_arm.h>
+
+__BEGIN_DECLS
+
+#define FPSCR_RMODE_SHIFT 22
+
+__BIONIC_FENV_INLINE int fegetenv(fenv_t* __envp) {
+ fenv_t _fpscr;
+ __asm__ __volatile__("vmrs %0,fpscr" : "=r" (_fpscr));
+ *__envp = _fpscr;
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int fesetenv(const fenv_t* __envp) {
+ fenv_t _fpscr = *__envp;
+ __asm__ __volatile__("vmsr fpscr,%0" : :"ri" (_fpscr));
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int feclearexcept(int __excepts) {
+ fexcept_t __fpscr;
+ fegetenv(&__fpscr);
+ __fpscr &= ~__excepts;
+ fesetenv(&__fpscr);
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int fegetexceptflag(fexcept_t* __flagp, int __excepts) {
+ fexcept_t __fpscr;
+ fegetenv(&__fpscr);
+ *__flagp = __fpscr & __excepts;
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int fesetexceptflag(const fexcept_t* __flagp, int __excepts) {
+ fexcept_t __fpscr;
+ fegetenv(&__fpscr);
+ __fpscr &= ~__excepts;
+ __fpscr |= *__flagp & __excepts;
+ fesetenv(&__fpscr);
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int feraiseexcept(int __excepts) {
+ fexcept_t __ex = __excepts;
+ fesetexceptflag(&__ex, __excepts);
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int fetestexcept(int __excepts) {
+ fexcept_t __fpscr;
+ fegetenv(&__fpscr);
+ return (__fpscr & __excepts);
+}
+
+__BIONIC_FENV_INLINE int fegetround(void) {
+ fenv_t _fpscr;
+ fegetenv(&_fpscr);
+ return ((_fpscr >> FPSCR_RMODE_SHIFT) & 0x3);
+}
+
+__BIONIC_FENV_INLINE int fesetround(int __round) {
+ fenv_t _fpscr;
+ fegetenv(&_fpscr);
+ _fpscr &= ~(0x3 << FPSCR_RMODE_SHIFT);
+ _fpscr |= (__round << FPSCR_RMODE_SHIFT);
+ fesetenv(&_fpscr);
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int feholdexcept(fenv_t* __envp) {
+ fenv_t __env;
+ fegetenv(&__env);
+ *__envp = __env;
+ __env &= ~FE_ALL_EXCEPT;
+ fesetenv(&__env);
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int feupdateenv(const fenv_t* __envp) {
+ fexcept_t __fpscr;
+ fegetenv(&__fpscr);
+ fesetenv(__envp);
+ feraiseexcept(__fpscr & FE_ALL_EXCEPT);
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int feenableexcept(int __mask __unused) {
+ return -1;
+}
+
+__BIONIC_FENV_INLINE int fedisableexcept(int __mask __unused) {
+ return 0;
+}
+
+__BIONIC_FENV_INLINE int fegetexcept(void) {
+ return 0;
+}
+
+#undef FPSCR_RMODE_SHIFT
+
+__END_DECLS
+
+#endif