From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 12 Jul 2007 18:26:36 +0000
Subject: 2.5-18.1

---
 sysdeps/powerpc/powerpc64/Makefile | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

(limited to 'sysdeps/powerpc/powerpc64/Makefile')

diff --git a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile
index 3ced6568df..78d4f07e57 100644
--- a/sysdeps/powerpc/powerpc64/Makefile
+++ b/sysdeps/powerpc/powerpc64/Makefile
@@ -10,11 +10,25 @@ ifeq (yes,$(build-shared))
 pic-ccflag = -fpic
 endif
 
+# These flags prevent FPU or Altivec registers from being used,
+# for code called in contexts that is not allowed to touch those registers.
+# Stupid GCC requires us to pass all these ridiculous switches.
+no-special-regs := $(sort $(foreach n,40 41 50 51 60 61 62 63 \
+				      $(foreach m,2 3 4 5 6 7 8 9, \
+						  3$m 4$m 5$m),\
+				    -ffixed-$n)) \
+		   $(sort $(foreach n,$(foreach m,0 1 2 3 4 5 6 7 8 9,\
+						$m 1$m 2$m) 30 31,\
+				    -ffixed-v$n)) \
+		   -ffixed-vrsave -ffixed-vscr
+
 ifeq ($(subdir),csu)
+sysdep_routines += hp-timing
+elide-routines.os += hp-timing
 ifneq ($(elf),no)
-# The initfini generation code doesn't work in the presence of -g1 or
-# higher, so we use -g0.
-CFLAGS-initfini.s = -g0 -fpic -O1
+# The initfini generation code doesn't work in the presence of -fPIC, so
+# we use -fpic instead which is much better.
+CFLAGS-initfini.s += -fpic -O1
 endif
 endif
 
@@ -27,5 +41,5 @@ ifeq ($(subdir),gmon)
 # The assembly functions assume that fp arg regs are not trashed.
 # Compiling with -msoft-float ensures that fp regs are not used
 # for moving memory around.
-CFLAGS-mcount.c += -msoft-float
+CFLAGS-mcount.c += $(no-special-regs)
 endif
-- 
cgit 1.4.1