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9016b6f389
Since
commit c867597bff
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jun 8 13:57:50 2016 -0700
X86-64: Remove previous default/SSE2/AVX2 memcpy/memmove
removed the only usage of __x86_prefetchw, we can remove the unused
__x86_prefetchw.
64 lines
1.9 KiB
Makefile
64 lines
1.9 KiB
Makefile
# The mpn functions need a #define for asm syntax flavor.
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# Every i386 port in use uses gas syntax (I think).
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asm-CPPFLAGS += -DGAS_SYNTAX
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# The i386 `long double' is a distinct type we support.
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long-double-fcts = yes
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ifeq ($(subdir),math)
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# These functions change the rounding mode internally and need to
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# update both the SSE2 rounding mode and the 387 rounding mode. See
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# the handling of MATH_SET_BOTH_ROUNDING_MODES in
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# sysdeps/i386/fpu/fenv_private.h.
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CFLAGS-e_gamma_r.c += -DMATH_SET_BOTH_ROUNDING_MODES
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endif
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ifeq ($(subdir),gmon)
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sysdep_routines += i386-mcount
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endif
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ifeq ($(subdir),elf)
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CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused
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CFLAGS-dl-load.c += -Wno-unused
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CFLAGS-dl-reloc.c += -Wno-unused
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endif
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ifeq ($(subdir),csu)
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gen-as-const-headers += link-defines.sym
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else
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stack-align-test-flags += -malign-double
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endif
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ifeq ($(subdir),elf)
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sysdep-dl-routines += tlsdesc dl-tlsdesc
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tests += tst-audit3
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modules-names += tst-auditmod3a tst-auditmod3b
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$(objpfx)tst-audit3: $(objpfx)tst-auditmod3a.so
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$(objpfx)tst-audit3.out: $(objpfx)tst-auditmod3b.so
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tst-audit3-ENV = LD_AUDIT=$(objpfx)tst-auditmod3b.so
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endif
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ifeq ($(subdir),csu)
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gen-as-const-headers += tlsdesc.sym
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endif
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# Make sure no code in ld.so uses mm/xmm/ymm/zmm registers on i386 since
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# the first 3 mm/xmm/ymm/zmm registers are used to pass vector parameters
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# which must be preserved.
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# With SSE disabled, ensure -fpmath is not set to use sse either.
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rtld-CFLAGS += -mno-sse -mno-mmx -mfpmath=387
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ifeq ($(subdir),elf)
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CFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\
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$(rtld-CFLAGS))
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tests-special += $(objpfx)tst-ld-sse-use.out
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$(objpfx)tst-ld-sse-use.out: ../sysdeps/i386/tst-ld-sse-use.sh $(objpfx)ld.so
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@echo "Checking ld.so for SSE register use. This will take a few seconds..."
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$(BASH) $< $(objpfx) '$(NM)' '$(OBJDUMP)' '$(READELF)' > $@; \
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$(evaluate-test)
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else
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CFLAGS-.os += $(if $(filter rtld-%.os,$(@F)), $(rtld-CFLAGS))
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endif
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