diff options
Diffstat (limited to 'meta/recipes-core/glibc/glibc/0026-When-disabling-SSE-make-sure-fpmath-is-not-set-to-us.patch')
-rw-r--r-- | meta/recipes-core/glibc/glibc/0026-When-disabling-SSE-make-sure-fpmath-is-not-set-to-us.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/glibc/0026-When-disabling-SSE-make-sure-fpmath-is-not-set-to-us.patch b/meta/recipes-core/glibc/glibc/0026-When-disabling-SSE-make-sure-fpmath-is-not-set-to-us.patch new file mode 100644 index 0000000000..2b889a94cf --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0026-When-disabling-SSE-make-sure-fpmath-is-not-set-to-us.patch @@ -0,0 +1,48 @@ +From 97fe7f1b23ea1f17533884b8fa7f7eb40087d558 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Tue, 5 Jan 2016 17:50:00 -0800 +Subject: [PATCH] When disabling SSE, make sure -fpmath is not set to use SSE + either + +This fixes errors when we inject sse options through CFLAGS and now +that we have -Werror turned on by default this warning turns to become +error on x86 + +gcc -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -x c /dev/null -S +-mno-sse -mno-mmx + +generates warning +/dev/null:1:0: warning: SSE instruction set disabled, using 387 +arithmetics + +where as + +gcc -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -x c /dev/null -S +-mno-sse -mno-mmx -mfpmath=387 + +Generates no warnings + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- +Upstream-Status: Submitted + + ChangeLog | 5 +++++ + sysdeps/i386/Makefile | 2 +- + 2 files changed, 6 insertions(+), 1 deletion(-) + +diff --git a/sysdeps/i386/Makefile b/sysdeps/i386/Makefile +index 168512f..70153b3 100644 +--- a/sysdeps/i386/Makefile ++++ b/sysdeps/i386/Makefile +@@ -89,7 +89,7 @@ ifeq ($(subdir),elf) + # the first 3 mm/xmm/ymm/zmm registers are used to pass vector parameters + # which must be preserved. + CFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\ +- -mno-sse -mno-mmx) ++ -mno-sse -mno-mmx -mfpmath=387) + + tests-special += $(objpfx)tst-ld-sse-use.out + $(objpfx)tst-ld-sse-use.out: ../sysdeps/i386/tst-ld-sse-use.sh $(objpfx)ld.so +-- +2.6.4 + |