From a5b668cc8ac96ee35372c7e0df114fc76246d0d7 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <aoliva@redhat.com>
Date: Thu, 20 Mar 2003 22:29:44 +0000
Subject: [PATCH] * sysdeps/mips/bits/setjmp.h: n32 has only 6 call-saved
 fpregs. * sysdeps/mips/mips64/setjmp_aux.c (__sigsetjmp_aux): Adjust. *
 sysdeps/mips/mips64/__longjmp.c (__longjmp): Likewise.

---
 sysdeps/mips/bits/setjmp.h       |  6 +++---
 sysdeps/mips/mips64/__longjmp.c  | 11 ++++++++++-
 sysdeps/mips/mips64/setjmp_aux.c |  9 +++++++++
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/sysdeps/mips/bits/setjmp.h b/sysdeps/mips/bits/setjmp.h
index 562c13243c..b2ee3749dd 100644
--- a/sysdeps/mips/bits/setjmp.h
+++ b/sysdeps/mips/bits/setjmp.h
@@ -60,10 +60,10 @@ typedef struct
     int __fpc_csr;
 
     /* Callee-saved floating point registers.  */
-#if _MIPS_SIM == _MIPS_SIM_ABI32
-    double __fpregs[6];
-#else
+#if defined _ABI64 && _MIPS_SIM == _ABI64
     double __fpregs[8];
+#else
+    double __fpregs[6];
 #endif
   } __jmp_buf[1];
 
diff --git a/sysdeps/mips/mips64/__longjmp.c b/sysdeps/mips/mips64/__longjmp.c
index 6523d49d9c..32587d1c87 100644
--- a/sysdeps/mips/mips64/__longjmp.c
+++ b/sysdeps/mips/mips64/__longjmp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1995, 1997, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995, 1997, 2000, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Brendan Kehoe (brendan@zen.org).
 
@@ -38,6 +38,7 @@ __longjmp (env, val_arg)
   register int val asm ("a1");
 
   /* Pull back the floating point callee-saved registers.  */
+#if defined _ABI64 && _MIPS_SIM == _ABI64
   asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[0]));
   asm volatile ("l.d $f25, %0" : : "m" (env[0].__fpregs[1]));
   asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[2]));
@@ -46,6 +47,14 @@ __longjmp (env, val_arg)
   asm volatile ("l.d $f29, %0" : : "m" (env[0].__fpregs[5]));
   asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[6]));
   asm volatile ("l.d $f31, %0" : : "m" (env[0].__fpregs[7]));
+#else
+  asm volatile ("l.d $f20, %0" : : "m" (env[0].__fpregs[0]));
+  asm volatile ("l.d $f22, %0" : : "m" (env[0].__fpregs[1]));
+  asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[2]));
+  asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[3]));
+  asm volatile ("l.d $f28, %0" : : "m" (env[0].__fpregs[4]));
+  asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[5]));
+#endif
 
   /* Get and reconstruct the floating point csr.  */
   asm volatile ("lw $2, %0" : : "m" (env[0].__fpc_csr));
diff --git a/sysdeps/mips/mips64/setjmp_aux.c b/sysdeps/mips/mips64/setjmp_aux.c
index db75a21a30..b55a3c6c11 100644
--- a/sysdeps/mips/mips64/setjmp_aux.c
+++ b/sysdeps/mips/mips64/setjmp_aux.c
@@ -29,6 +29,7 @@ __sigsetjmp_aux (jmp_buf env, int savemask, long long sp, long long fp,
 		 long long gp)
 {
   /* Store the floating point callee-saved registers...  */
+#if defined _ABI64 && _MIPS_SIM == _ABI64
   asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
   asm volatile ("s.d $f25, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
   asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
@@ -37,6 +38,14 @@ __sigsetjmp_aux (jmp_buf env, int savemask, long long sp, long long fp,
   asm volatile ("s.d $f29, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
   asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[6]));
   asm volatile ("s.d $f31, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[7]));
+#else
+  asm volatile ("s.d $f20, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
+  asm volatile ("s.d $f22, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
+  asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
+  asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[3]));
+  asm volatile ("s.d $f28, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[4]));
+  asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
+#endif
 
   /* .. and the PC;  */
   asm volatile ("sd $31, %0" : : "m" (env[0].__jmpbuf[0].__pc));