2002-09-17 23:50:03 +00:00
|
|
|
# Powerpc64 specific build options.
|
|
|
|
|
# this is ./sysdeps/powerpc/powerpc64/Makefile
|
|
|
|
|
|
2002-09-27 19:45:50 +00:00
|
|
|
# Each TOC entry takes 8 bytes and the TOC holds up to 2^16 bytes,
|
|
|
|
|
# or 8192 entries.
|
|
|
|
|
# If -fpic is not specified, the latest gcc-3.2.1 now generates
|
|
|
|
|
# different code for call stubs (without the TOC reload).
|
|
|
|
|
# Shared objects need the TOC reload so specify -fpic.
|
|
|
|
|
ifeq (yes,$(build-shared))
|
|
|
|
|
pic-ccflag = -fpic
|
|
|
|
|
endif
|
2002-09-17 23:50:03 +00:00
|
|
|
|
2006-02-02 08:23:52 +00:00
|
|
|
# These flags prevent FPU or Altivec registers from being used,
|
|
|
|
|
# for code called in contexts that is not allowed to touch those registers.
|
2011-05-20 10:34:48 +00:00
|
|
|
# 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.
|
2006-02-02 08:23:52 +00:00
|
|
|
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)) \
|
2011-05-20 10:34:48 +00:00
|
|
|
-ffixed-vrsave -ffixed-vscr -mno-altivec -mno-vsx
|
2006-02-02 08:23:52 +00:00
|
|
|
|
2020-02-07 20:08:08 +00:00
|
|
|
# Likewise, we must disable IEEE long double support as some (all?)
|
|
|
|
|
# compilers will not accept the above options with IEEE long double.
|
|
|
|
|
ifeq ($(ibm128-fcts),yes)
|
|
|
|
|
no-special-regs += -mabi=ibmlongdouble
|
|
|
|
|
endif
|
|
|
|
|
|
2012-03-28 07:22:05 +00:00
|
|
|
# Need to prevent gcc from using fprs in code used during dynamic linking.
|
|
|
|
|
|
|
|
|
|
CFLAGS-dl-runtime.os = $(no-special-regs)
|
|
|
|
|
CFLAGS-dl-lookup.os = $(no-special-regs)
|
|
|
|
|
CFLAGS-dl-misc.os = $(no-special-regs)
|
|
|
|
|
CFLAGS-rtld-mempcpy.os = $(no-special-regs)
|
|
|
|
|
CFLAGS-rtld-memmove.os = $(no-special-regs)
|
|
|
|
|
CFLAGS-rtld-memchr.os = $(no-special-regs)
|
|
|
|
|
CFLAGS-rtld-strnlen.os = $(no-special-regs)
|
|
|
|
|
|
2002-09-17 23:50:03 +00:00
|
|
|
ifeq ($(subdir),elf)
|
|
|
|
|
# help gcc inline asm code from dl-machine.h
|
2004-02-20 06:07:55 +00:00
|
|
|
+cflags += -finline-limit=2000
|
2002-09-17 23:50:03 +00:00
|
|
|
endif
|
2004-10-06 22:09:35 +00:00
|
|
|
|
|
|
|
|
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.
|
2006-02-02 08:23:52 +00:00
|
|
|
CFLAGS-mcount.c += $(no-special-regs)
|
2011-09-08 02:02:42 +00:00
|
|
|
sysdep_routines += ppc-mcount
|
2004-10-06 22:09:35 +00:00
|
|
|
endif
|
2018-07-16 18:07:10 +00:00
|
|
|
|
|
|
|
|
ifeq ($(subdir),setjmp)
|
|
|
|
|
tests += tst-setjmp-bug21895-static
|
|
|
|
|
tests-static += tst-setjmp-bug21895-static
|
|
|
|
|
modules-names += setjmp-bug21895
|
|
|
|
|
|
|
|
|
|
$(objpfx)tst-setjmp-bug21895-static.out: $(objpfx)setjmp-bug21895.so
|
|
|
|
|
|
|
|
|
|
tst-setjmp-bug21895-static-ENV = \
|
|
|
|
|
LD_LIBRARY_PATH=$(objpfx):$(common-objpfx):$(common-objpfx)setjmp:$(common-objpfx)elf
|
|
|
|
|
endif
|
2018-11-05 16:18:38 +00:00
|
|
|
|
|
|
|
|
ifeq ($(subdir),stdlib)
|
|
|
|
|
CFLAGS-tst-ucontext-ppc64-vscr.c += -maltivec
|
|
|
|
|
tests += tst-ucontext-ppc64-vscr
|
|
|
|
|
endif
|
