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-rw-r--r--libm/mips/Makefile.arch16
-rw-r--r--libm/mips/fclrexcpt.c44
-rw-r--r--libm/mips/fedisblxcpt.c38
-rw-r--r--libm/mips/feenablxcpt.c38
-rw-r--r--libm/mips/fegetenv.c28
-rw-r--r--libm/mips/fegetexcept.c31
-rw-r--r--libm/mips/fegetmode.c26
-rw-r--r--libm/mips/fegetround.c30
-rw-r--r--libm/mips/feholdexcpt.c35
-rw-r--r--libm/mips/fenv_libc.h29
-rw-r--r--libm/mips/fenv_private.h238
-rw-r--r--libm/mips/fesetenv.c38
-rw-r--r--libm/mips/fesetexcept.c31
-rw-r--r--libm/mips/fesetmode.c37
-rw-r--r--libm/mips/fesetround.c40
-rw-r--r--libm/mips/feupdateenv.c40
-rw-r--r--libm/mips/fgetexcptflg.c37
-rw-r--r--libm/mips/fraiseexcpt.c42
-rw-r--r--libm/mips/fsetexcptflg.c40
-rw-r--r--libm/mips/ftestexcept.c30
20 files changed, 888 insertions, 0 deletions
diff --git a/libm/mips/Makefile.arch b/libm/mips/Makefile.arch
new file mode 100644
index 000000000..bd38690be
--- /dev/null
+++ b/libm/mips/Makefile.arch
@@ -0,0 +1,16 @@
+# Makefile for uClibc-ng
+# Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+
+ifeq ($(UCLIBC_HAS_FENV),y)
+libm_ARCH_SRC:=$(wildcard $(libm_ARCH_DIR)/*.c)
+libm_ARCH_OBJ:=$(patsubst $(libm_ARCH_DIR)/%.c,$(libm_ARCH_OUT)/%.o,$(libm_ARCH_SRC))
+endif
+
+libm_ARCH_OBJS:=$(libm_ARCH_OBJ)
+
+ifeq ($(DOPIC),y)
+libm-a-y+=$(libm_ARCH_OBJS:.o=.os)
+else
+libm-a-y+=$(libm_ARCH_OBJS)
+endif
+libm-so-y+=$(libm_ARCH_OBJS:.o=.os)
diff --git a/libm/mips/fclrexcpt.c b/libm/mips/fclrexcpt.c
new file mode 100644
index 000000000..04d48d712
--- /dev/null
+++ b/libm/mips/fclrexcpt.c
@@ -0,0 +1,44 @@
+/* Clear given exceptions in current floating-point environment.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include "fenv_libc.h"
+#include <fpu_control.h>
+
+int
+feclearexcept (int excepts)
+{
+ int cw;
+
+ /* Mask out unsupported bits/exceptions. */
+ excepts &= FE_ALL_EXCEPT;
+
+ /* Read the complete control word. */
+ _FPU_GETCW (cw);
+
+ /* Clear exception flag bits and cause bits. If the cause bit is not
+ cleared, the next CTC instruction (just below) will re-generate the
+ exception. */
+
+ cw &= ~(excepts | (excepts << CAUSE_SHIFT));
+
+ /* Put the new data in effect. */
+ _FPU_SETCW (cw);
+
+ /* Success. */
+ return 0;
+}
diff --git a/libm/mips/fedisblxcpt.c b/libm/mips/fedisblxcpt.c
new file mode 100644
index 000000000..85cd6c518
--- /dev/null
+++ b/libm/mips/fedisblxcpt.c
@@ -0,0 +1,38 @@
+/* Disable floating-point exceptions.
+ Copyright (C) 2000-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include "fenv_libc.h"
+#include <fpu_control.h>
+
+int
+fedisableexcept (int excepts)
+{
+ unsigned int new_exc, old_exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (new_exc);
+
+ old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
+
+ excepts &= FE_ALL_EXCEPT;
+
+ new_exc &= ~(excepts << ENABLE_SHIFT);
+ _FPU_SETCW (new_exc);
+
+ return old_exc;
+}
diff --git a/libm/mips/feenablxcpt.c b/libm/mips/feenablxcpt.c
new file mode 100644
index 000000000..9d919a8ba
--- /dev/null
+++ b/libm/mips/feenablxcpt.c
@@ -0,0 +1,38 @@
+/* Enable floating-point exceptions.
+ Copyright (C) 2000-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include "fenv_libc.h"
+#include <fpu_control.h>
+
+int
+feenableexcept (int excepts)
+{
+ unsigned int new_exc, old_exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (new_exc);
+
+ old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
+
+ excepts &= FE_ALL_EXCEPT;
+
+ new_exc |= excepts << ENABLE_SHIFT;
+ _FPU_SETCW (new_exc);
+
+ return old_exc;
+}
diff --git a/libm/mips/fegetenv.c b/libm/mips/fegetenv.c
new file mode 100644
index 000000000..94f3444ac
--- /dev/null
+++ b/libm/mips/fegetenv.c
@@ -0,0 +1,28 @@
+/* Store current floating-point environment.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetenv (fenv_t *envp)
+{
+ _FPU_GETCW (*envp);
+
+ /* Success. */
+ return 0;
+}
diff --git a/libm/mips/fegetexcept.c b/libm/mips/fegetexcept.c
new file mode 100644
index 000000000..4c7c89fa6
--- /dev/null
+++ b/libm/mips/fegetexcept.c
@@ -0,0 +1,31 @@
+/* Get enabled floating-point exceptions.
+ Copyright (C) 2000-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include "fenv_libc.h"
+#include <fpu_control.h>
+
+int
+fegetexcept (void)
+{
+ unsigned int exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (exc);
+
+ return (exc & ENABLE_MASK) >> ENABLE_SHIFT;
+}
diff --git a/libm/mips/fegetmode.c b/libm/mips/fegetmode.c
new file mode 100644
index 000000000..136b8d3fb
--- /dev/null
+++ b/libm/mips/fegetmode.c
@@ -0,0 +1,26 @@
+/* Store current floating-point control modes. MIPS version.
+ Copyright (C) 2016-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetmode (femode_t *modep)
+{
+ _FPU_GETCW (*modep);
+ return 0;
+}
diff --git a/libm/mips/fegetround.c b/libm/mips/fegetround.c
new file mode 100644
index 000000000..4d8f3744d
--- /dev/null
+++ b/libm/mips/fegetround.c
@@ -0,0 +1,30 @@
+/* Return current rounding direction.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetround (void)
+{
+ int cw;
+
+ /* Get control word. */
+ _FPU_GETCW (cw);
+
+ return cw & _FPU_RC_MASK;
+}
diff --git a/libm/mips/feholdexcpt.c b/libm/mips/feholdexcpt.c
new file mode 100644
index 000000000..b1e35ae5a
--- /dev/null
+++ b/libm/mips/feholdexcpt.c
@@ -0,0 +1,35 @@
+/* Store current floating-point environment and clear exceptions.
+ Copyright (C) 2000-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+feholdexcept (fenv_t *envp)
+{
+ fpu_control_t cw;
+
+ /* Save the current state. */
+ _FPU_GETCW (cw);
+ envp->__fp_control_register = cw;
+
+ /* Clear all exception enable bits and flags. */
+ cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I|FE_ALL_EXCEPT);
+ _FPU_SETCW (cw);
+
+ return 0;
+}
diff --git a/libm/mips/fenv_libc.h b/libm/mips/fenv_libc.h
new file mode 100644
index 000000000..642a7b127
--- /dev/null
+++ b/libm/mips/fenv_libc.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2000-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _FENV_LIBC_H
+#define _FENV_LIBC_H 1
+
+/* Mask for enabling exceptions and for the CAUSE bits. */
+#define ENABLE_MASK 0x00F80U
+#define CAUSE_MASK 0x1F000U
+
+/* Shift for FE_* flags to get up to the ENABLE bits and the CAUSE bits. */
+#define ENABLE_SHIFT 5
+#define CAUSE_SHIFT 10
+
+
+#endif /* _FENV_LIBC_H */
diff --git a/libm/mips/fenv_private.h b/libm/mips/fenv_private.h
new file mode 100644
index 000000000..bc9be3b62
--- /dev/null
+++ b/libm/mips/fenv_private.h
@@ -0,0 +1,238 @@
+/* Internal math stuff. MIPS version.
+ Copyright (C) 2013-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef MIPS_FENV_PRIVATE_H
+#define MIPS_FENV_PRIVATE_H 1
+
+/* Inline functions to speed up the math library implementation. The
+ default versions of these routines are in generic/fenv_private.h
+ and call fesetround, feholdexcept, etc. These routines use inlined
+ code instead. */
+
+#include <fenv.h>
+#include "fenv_libc.h"
+#include <fpu_control.h>
+
+#define _FPU_MASK_ALL (_FPU_MASK_V | _FPU_MASK_Z | _FPU_MASK_O \
+ |_FPU_MASK_U | _FPU_MASK_I | FE_ALL_EXCEPT)
+
+static __always_inline void
+libc_feholdexcept_mips (fenv_t *envp)
+{
+ fpu_control_t cw;
+
+ /* Save the current state. */
+ _FPU_GETCW (cw);
+ envp->__fp_control_register = cw;
+
+ /* Clear all exception enable bits and flags. */
+ cw &= ~(_FPU_MASK_ALL);
+ _FPU_SETCW (cw);
+}
+#define libc_feholdexcept libc_feholdexcept_mips
+#define libc_feholdexceptf libc_feholdexcept_mips
+#define libc_feholdexceptl libc_feholdexcept_mips
+
+static __always_inline void
+libc_fesetround_mips (int round)
+{
+ fpu_control_t cw;
+
+ /* Get current state. */
+ _FPU_GETCW (cw);
+
+ /* Set rounding bits. */
+ cw &= ~_FPU_RC_MASK;
+ cw |= round;
+
+ /* Set new state. */
+ _FPU_SETCW (cw);
+}
+#define libc_fesetround libc_fesetround_mips
+#define libc_fesetroundf libc_fesetround_mips
+#define libc_fesetroundl libc_fesetround_mips
+
+static __always_inline void
+libc_feholdexcept_setround_mips (fenv_t *envp, int round)
+{
+ fpu_control_t cw;
+
+ /* Save the current state. */
+ _FPU_GETCW (cw);
+ envp->__fp_control_register = cw;
+
+ /* Clear all exception enable bits and flags. */
+ cw &= ~(_FPU_MASK_ALL);
+
+ /* Set rounding bits. */
+ cw &= ~_FPU_RC_MASK;
+ cw |= round;
+
+ /* Set new state. */
+ _FPU_SETCW (cw);
+}
+#define libc_feholdexcept_setround libc_feholdexcept_setround_mips
+#define libc_feholdexcept_setroundf libc_feholdexcept_setround_mips
+#define libc_feholdexcept_setroundl libc_feholdexcept_setround_mips
+
+#define libc_feholdsetround libc_feholdexcept_setround_mips
+#define libc_feholdsetroundf libc_feholdexcept_setround_mips
+#define libc_feholdsetroundl libc_feholdexcept_setround_mips
+
+static __always_inline void
+libc_fesetenv_mips (fenv_t *envp)
+{
+ fpu_control_t cw __attribute__ ((unused));
+
+ /* Read current state to flush fpu pipeline. */
+ _FPU_GETCW (cw);
+
+ _FPU_SETCW (envp->__fp_control_register);
+}
+#define libc_fesetenv libc_fesetenv_mips
+#define libc_fesetenvf libc_fesetenv_mips
+#define libc_fesetenvl libc_fesetenv_mips
+
+static __always_inline int
+libc_feupdateenv_test_mips (fenv_t *envp, int excepts)
+{
+ /* int ret = fetestexcept (excepts); feupdateenv (envp); return ret; */
+ int cw, temp;
+
+ /* Get current control word. */
+ _FPU_GETCW (cw);
+
+ /* Set flag bits (which are accumulative), and *also* set the
+ cause bits. The setting of the cause bits is what actually causes
+ the hardware to generate the exception, if the corresponding enable
+ bit is set as well. */
+ temp = cw & FE_ALL_EXCEPT;
+ temp |= envp->__fp_control_register | (temp << CAUSE_SHIFT);
+
+ /* Set new state. */
+ _FPU_SETCW (temp);
+
+ return cw & excepts & FE_ALL_EXCEPT;
+}
+#define libc_feupdateenv_test libc_feupdateenv_test_mips
+#define libc_feupdateenv_testf libc_feupdateenv_test_mips
+#define libc_feupdateenv_testl libc_feupdateenv_test_mips
+
+static __always_inline void
+libc_feupdateenv_mips (fenv_t *envp)
+{
+ libc_feupdateenv_test_mips (envp, 0);
+}
+#define libc_feupdateenv libc_feupdateenv_mips
+#define libc_feupdateenvf libc_feupdateenv_mips
+#define libc_feupdateenvl libc_feupdateenv_mips
+
+#define libc_feresetround libc_feupdateenv_mips
+#define libc_feresetroundf libc_feupdateenv_mips
+#define libc_feresetroundl libc_feupdateenv_mips
+
+static __always_inline int
+libc_fetestexcept_mips (int excepts)
+{
+ int cw;
+
+ /* Get current control word. */
+ _FPU_GETCW (cw);
+
+ return cw & excepts & FE_ALL_EXCEPT;
+}
+#define libc_fetestexcept libc_fetestexcept_mips
+#define libc_fetestexceptf libc_fetestexcept_mips
+#define libc_fetestexceptl libc_fetestexcept_mips
+
+/* Enable support for rounding mode context. */
+#define HAVE_RM_CTX 1
+
+static __always_inline void
+libc_feholdexcept_setround_mips_ctx (struct rm_ctx *ctx, int round)
+{
+ fpu_control_t old, new;
+
+ /* Save the current state. */
+ _FPU_GETCW (old);
+ ctx->env.__fp_control_register = old;
+
+ /* Clear all exception enable bits and flags. */
+ new = old & ~(_FPU_MASK_ALL);
+
+ /* Set rounding bits. */
+ new = (new & ~_FPU_RC_MASK) | round;
+
+ if (__glibc_unlikely (new != old))
+ {
+ _FPU_SETCW (new);
+ ctx->updated_status = true;
+ }
+ else
+ ctx->updated_status = false;
+}
+#define libc_feholdexcept_setround_ctx libc_feholdexcept_setround_mips_ctx
+#define libc_feholdexcept_setroundf_ctx libc_feholdexcept_setround_mips_ctx
+#define libc_feholdexcept_setroundl_ctx libc_feholdexcept_setround_mips_ctx
+
+static __always_inline void
+libc_fesetenv_mips_ctx (struct rm_ctx *ctx)
+{
+ libc_fesetenv_mips (&ctx->env);
+}
+#define libc_fesetenv_ctx libc_fesetenv_mips_ctx
+#define libc_fesetenvf_ctx libc_fesetenv_mips_ctx
+#define libc_fesetenvl_ctx libc_fesetenv_mips_ctx
+
+static __always_inline void
+libc_feupdateenv_mips_ctx (struct rm_ctx *ctx)
+{
+ if (__glibc_unlikely (ctx->updated_status))
+ libc_feupdateenv_test_mips (&ctx->env, 0);
+}
+#define libc_feupdateenv_ctx libc_feupdateenv_mips_ctx
+#define libc_feupdateenvf_ctx libc_feupdateenv_mips_ctx
+#define libc_feupdateenvl_ctx libc_feupdateenv_mips_ctx
+#define libc_feresetround_ctx libc_feupdateenv_mips_ctx
+#define libc_feresetroundf_ctx libc_feupdateenv_mips_ctx
+#define libc_feresetroundl_ctx libc_feupdateenv_mips_ctx
+
+static __always_inline void
+libc_feholdsetround_mips_ctx (struct rm_ctx *ctx, int round)
+{
+ fpu_control_t old, new;
+
+ /* Save the current state. */
+ _FPU_GETCW (old);
+ ctx->env.__fp_control_register = old;
+
+ /* Set rounding bits. */
+ new = (old & ~_FPU_RC_MASK) | round;
+
+ if (__glibc_unlikely (new != old))
+ {
+ _FPU_SETCW (new);
+ ctx->updated_status = true;
+ }
+ else
+ ctx->updated_status = false;
+}
+#define libc_feholdsetround_ctx libc_feholdsetround_mips_ctx
+#define libc_feholdsetroundf_ctx libc_feholdsetround_mips_ctx
+#define libc_feholdsetroundl_ctx libc_feholdsetround_mips_ctx
+
+#endif
diff --git a/libm/mips/fesetenv.c b/libm/mips/fesetenv.c
new file mode 100644
index 000000000..03b5b91a6
--- /dev/null
+++ b/libm/mips/fesetenv.c
@@ -0,0 +1,38 @@
+/* Install given floating-point environment.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetenv (const fenv_t *envp)
+{
+ fpu_control_t cw;
+
+ /* Read first current state to flush fpu pipeline. */
+ _FPU_GETCW (cw);
+
+ if (envp == FE_DFL_ENV)
+ _FPU_SETCW (_FPU_DEFAULT);
+ else if (envp == FE_NOMASK_ENV)
+ _FPU_SETCW (_FPU_IEEE);
+ else
+ _FPU_SETCW (envp->__fp_control_register);
+
+ /* Success. */
+ return 0;
+}
diff --git a/libm/mips/fesetexcept.c b/libm/mips/fesetexcept.c
new file mode 100644
index 000000000..1c9a0de3b
--- /dev/null
+++ b/libm/mips/fesetexcept.c
@@ -0,0 +1,31 @@
+/* Set given exception flags. MIPS version.
+ Copyright (C) 2016-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetexcept (int excepts)
+{
+ fpu_control_t temp;
+
+ _FPU_GETCW (temp);
+ temp |= excepts & FE_ALL_EXCEPT;
+ _FPU_SETCW (temp);
+
+ return 0;
+}
diff --git a/libm/mips/fesetmode.c b/libm/mips/fesetmode.c
new file mode 100644
index 000000000..cb4ffdc06
--- /dev/null
+++ b/libm/mips/fesetmode.c
@@ -0,0 +1,37 @@
+/* Install given floating-point control modes. MIPS version.
+ Copyright (C) 2016-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+#define FCSR_STATUS 0xfe83f07c
+
+int
+fesetmode (const femode_t *modep)
+{
+ fpu_control_t cw;
+
+ _FPU_GETCW (cw);
+ cw &= FCSR_STATUS;
+ if (modep == FE_DFL_MODE)
+ cw |= _FPU_DEFAULT;
+ else
+ cw |= *modep & ~FCSR_STATUS;
+ _FPU_SETCW (cw);
+
+ return 0;
+}
diff --git a/libm/mips/fesetround.c b/libm/mips/fesetround.c
new file mode 100644
index 000000000..532092710
--- /dev/null
+++ b/libm/mips/fesetround.c
@@ -0,0 +1,40 @@
+/* Set current rounding direction.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetround (int round)
+{
+ fpu_control_t cw;
+
+ if ((round & ~_FPU_RC_MASK) != 0)
+ /* ROUND is no valid rounding mode. */
+ return 1;
+
+ /* Get current state. */
+ _FPU_GETCW (cw);
+
+ /* Set rounding bits. */
+ cw &= ~_FPU_RC_MASK;
+ cw |= round;
+ /* Set new state. */
+ _FPU_SETCW (cw);
+
+ return 0;
+}
diff --git a/libm/mips/feupdateenv.c b/libm/mips/feupdateenv.c
new file mode 100644
index 000000000..d90604db3
--- /dev/null
+++ b/libm/mips/feupdateenv.c
@@ -0,0 +1,40 @@
+/* Install given floating-point environment and raise exceptions.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+feupdateenv (const fenv_t *envp)
+{
+ int temp;
+
+ /* Save current exceptions. */
+ _FPU_GETCW (temp);
+ temp &= FE_ALL_EXCEPT;
+
+ /* Install new environment. */
+ fesetenv (envp);
+
+ /* Raise the saved exception. Incidentally for us the implementation
+ defined format of the values in objects of type fexcept_t is the
+ same as the ones specified using the FE_* constants. */
+ feraiseexcept (temp);
+
+ /* Success. */
+ return 0;
+}
diff --git a/libm/mips/fgetexcptflg.c b/libm/mips/fgetexcptflg.c
new file mode 100644
index 000000000..b03eca55e
--- /dev/null
+++ b/libm/mips/fgetexcptflg.c
@@ -0,0 +1,37 @@
+/* Store current representation for exceptions.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+ fpu_control_t temp;
+
+ /* Get the current exceptions. */
+ _FPU_GETCW (temp);
+
+ /* We only save the relevant bits here. In particular, care has to be
+ taken with the CAUSE bits, as an inadvertent restore later on could
+ generate unexpected exceptions. */
+
+ *flagp = temp & excepts & FE_ALL_EXCEPT;
+
+ /* Success. */
+ return 0;
+}
diff --git a/libm/mips/fraiseexcpt.c b/libm/mips/fraiseexcpt.c
new file mode 100644
index 000000000..6327b1104
--- /dev/null
+++ b/libm/mips/fraiseexcpt.c
@@ -0,0 +1,42 @@
+/* Raise given exceptions.
+ Copyright (C) 2000-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include "fenv_libc.h"
+#include <fpu_control.h>
+
+int
+feraiseexcept (int excepts)
+{
+ fpu_control_t cw;
+
+ /* Get current state. */
+ _FPU_GETCW (cw);
+
+ /* Set flag bits (which are accumulative), and *also* set the
+ cause bits. The setting of the cause bits is what actually causes
+ the hardware to generate the exception, if the corresponding enable
+ bit is set as well. */
+
+ excepts &= FE_ALL_EXCEPT;
+ cw |= excepts | (excepts << CAUSE_SHIFT);
+
+ /* Set new state. */
+ _FPU_SETCW (cw);
+
+ return 0;
+}
diff --git a/libm/mips/fsetexcptflg.c b/libm/mips/fsetexcptflg.c
new file mode 100644
index 000000000..d98a300e2
--- /dev/null
+++ b/libm/mips/fsetexcptflg.c
@@ -0,0 +1,40 @@
+/* Set floating-point environment exception handling.
+ Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetexcep