sparc: Assume VIS3 support

This patch assumes VIS3 support by binutils, which is supported since
version 2.22.  This leads to some code simplification, mostly on
multiarch build where there is only one variant instead of previously
two (whether binutils supports VIS3 instructions or not).

For multiarch files where HAVE_AS_VIS3_SUPPORT was checked and
the default implementation was built with a different name, a new
file with (implementation with -generic appended) is added.

Checked on sparc64-linux-gnu and sparcv9-linux-gnu.

	* config.h.in (HAVE_AS_VIS3_SUPPORT): Remove check for VIS3 support.
	* sysdeps/sparc/configure.ac (HAVE_AS_VIS3_SUPPORT): Likewise.
	* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c: Likewise.
	* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.c: Likewise.
	* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c: Likewise.
	* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Likewise.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Likewise.
	* sysdeps/sparc/sparc-ifunc.h [!HAVE_AS_VIS3_SUPPORT]
	(SPARC_ASM_VIS3_IFUNC, SPARC_ASM_VIS3_VIS2_IFUNC): Remove macros.
	* sysdeps/sparc/sparc32/sparcv9/Makefile [$(have-as-vis3) != yes]
	(ASFLAGS.o, ASFLAGS-.os, ASFLAGS-.op, ASFLAGS-.oS): Remove rules.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
	($(have-as-vis3) == yes): Remove conditional.
	* sysdeps/sparc/sparc64/Makefile (($(have-as-vis3) == yes)):
	Likewise.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-generic.c: New
	file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-generic.c: New
	file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-generic.c: New
	file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-generic.c: New
	file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-generic.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-generic.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_floor-generic.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-generic.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fma-generic.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-generic.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-generic.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-generic.c: New file.

Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

1 files changed, 0 insertions, 29 deletions

diff --git a/sysdeps/sparc/configure.ac b/sysdeps/sparc/configure.ac
index 982077c..43ad541 100644
--- a/sysdeps/sparc/configure.ac
+++ b/sysdeps/sparc/configure.ac
@@ -1,35 +1,6 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/sparc.
 
-# Check for support of VIS3 et al. instructions in the assembler.
-AC_CACHE_CHECK(for sparc assembler VIS3 support, libc_cv_sparc_as_vis3, [dnl
-cat > conftest.S <<\EOF
-	.text
-foo:	fmadds		%f1, %f2, %f3, %f5
-	fmaddd		%f2, %f4, %f8, %f10
-	fhadds		%f2, %f3, %f5
-	fhaddd		%f4, %f8, %f10
-	pdistn		%f2, %f4, %g1
-	movdtox		%f10, %o0
-	movstouw	%f9, %o1
-	movstosw	%f7, %o2
-	movxtod		%o3, %f18
-	movwtos		%o4, %f15
-	flcmps		%fcc0, %f3, %f5
-	flcmpd		%fcc1, %f4, %f6
-EOF
-dnl
-if AC_TRY_COMMAND([${CC-cc} -c $CFLAGS -Wa,-Av9d conftest.S]); then
-  libc_cv_sparc_as_vis3=yes
-else
-  libc_cv_sparc_as_vis3=no
-fi
-rm -f conftest*])
-if test $libc_cv_sparc_as_vis3 = yes; then
-  AC_DEFINE(HAVE_AS_VIS3_SUPPORT)
-fi
-LIBC_CONFIG_VAR([have-as-vis3], [$libc_cv_sparc_as_vis3])
-
 # Check for a GCC emitting GOTDATA relocations.
 AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl
 changequote(,)dnl