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-rw-r--r--sysdeps/powerpc/powerpc64/Makefile7
1 files changed, 5 insertions, 2 deletions
diff --git a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile
index 78d4f07e57..136de3008e 100644
--- a/sysdeps/powerpc/powerpc64/Makefile
+++ b/sysdeps/powerpc/powerpc64/Makefile
@@ -12,7 +12,10 @@ 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.
+# Stupid GCC requires us to pass all these ridiculous switches. We need to
+# pass the -mno-* switches as well to prevent the compiler from attempting
+# to emit altivec or vsx instructions, especially when the registers aren't
+# available.
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),\
@@ -20,7 +23,7 @@ no-special-regs := $(sort $(foreach n,40 41 50 51 60 61 62 63 \
$(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
+ -ffixed-vrsave -ffixed-vscr -mno-altivec -mno-vsx
ifeq ($(subdir),csu)
sysdep_routines += hp-timing