diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/Makefile')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/Makefile | 22 |
1 files changed, 18 insertions, 4 deletions
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 |