NetCube-Systems-Austria/kumquat-buildroot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xtensa: switch from text-section-literals to auto-litpools

Browse Source 
Now that both binutils and gcc support auto-litpools use that option
instead of text-section-literals to be able to compile huge functions.

Fixes:
  http://autobuild.buildroot.net/results/dd384fe0ef02a4205bea66a4a16ca2062afe53b4/
  http://autobuild.buildroot.net/results/87dd357a4b883ea3cd75546b3d63c4c28245beee/
  http://autobuild.buildroot.net/results/b5bca00dec1ecb118c7fb9c10dee74c94809c831/
and many others.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Max Filippov 2015-08-13 01:20:02 +03:00 committed by Thomas Petazzoni
parent 5b84265f1c
commit 3570732c64
2 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
package/Makefile.in
View File

@ -91,7 +91,7 @@ endif
# code size and performance, the linker can usually optimize away the
# overhead when a call ends up within a certain range.
#
# Use text-section-literals for Xtensa globally.
# Use auto-litpools for Xtensa globally.
# Collecting literals into separate section can be advantageous if that
# section is placed into DTCM at link time. This is applicable for code
# running on bare metal, but makes no sense under linux, where userspace
@ -100,7 +100,7 @@ endif
# instruction can only access literals in 256 KBytes range.
#
ifeq ($(BR2_xtensa),y)
TARGET_ABI += -mlongcalls -mtext-section-literals
TARGET_ABI += -mlongcalls -mauto-litpools
endif
ifeq ($(BR2_arc)$(BR2_ARC_ATOMIC_EXT),yy)

6
package/gcc/gcc.mk
View File

@ -113,11 +113,11 @@ GCC_COMMON_TARGET_CXXFLAGS = $(filter-out -Os,$(GCC_COMMON_TARGET_CXXFLAGS))
endif
endif
# Xtensa libgcc can't be built with -mtext-section-literals
# Xtensa libgcc can't be built with -mauto-litpools
# because of the trick used to generate .init/.fini sections.
ifeq ($(BR2_xtensa),y)
GCC_COMMON_TARGET_CFLAGS = $(filter-out -mtext-section-literals,$(TARGET_CFLAGS))
GCC_COMMON_TARGET_CXXFLAGS = $(filter-out -mtext-section-literals,$(TARGET_CXXFLAGS))
GCC_COMMON_TARGET_CFLAGS = $(filter-out -mauto-litpools,$(TARGET_CFLAGS))
GCC_COMMON_TARGET_CXXFLAGS = $(filter-out -mauto-litpools,$(TARGET_CXXFLAGS))
endif
# Propagate options used for target software building to GCC target libs