Author: nbd Date: 2015-05-10 15:16:35 +0200 (Sun, 10 May 2015) New Revision: 45664
Added: trunk/toolchain/gcc/patches/4.8-linaro/020-no-plt-backport.patch trunk/toolchain/gcc/patches/4.8-linaro/851-libgcc_no_compat.patch trunk/toolchain/gcc/patches/4.9-linaro/020-no-plt-backport.patch trunk/toolchain/gcc/patches/4.9-linaro/851-libgcc_no_compat.patch Log: gcc: add some size optimization patches Signed-off-by: Felix Fietkau <[email protected]> Added: trunk/toolchain/gcc/patches/4.8-linaro/020-no-plt-backport.patch =================================================================== --- trunk/toolchain/gcc/patches/4.8-linaro/020-no-plt-backport.patch (rev 0) +++ trunk/toolchain/gcc/patches/4.8-linaro/020-no-plt-backport.patch 2015-05-10 13:16:35 UTC (rev 45664) @@ -0,0 +1,28 @@ +--- a/gcc/calls.c ++++ b/gcc/calls.c +@@ -176,6 +176,12 @@ prepare_call_address (tree fndecl, rtx f + && targetm.small_register_classes_for_mode_p (FUNCTION_MODE)) + ? force_not_mem (memory_address (FUNCTION_MODE, funexp)) + : memory_address (FUNCTION_MODE, funexp)); ++ else if (flag_pic && !flag_plt && fndecl ++ && TREE_CODE (fndecl) == FUNCTION_DECL ++ && !targetm.binds_local_p (fndecl)) ++ { ++ funexp = force_reg (Pmode, funexp); ++ } + else if (! sibcallp) + { + #ifndef NO_FUNCTION_CSE +--- a/gcc/common.opt ++++ b/gcc/common.opt +@@ -1617,6 +1617,10 @@ fpie + Common Report Var(flag_pie,1) Negative(fPIC) + Generate position-independent code for executables if possible (small mode) + ++fplt ++Common Report Var(flag_plt) Init(1) ++Use PLT for PIC calls (-fno-plt: load the address from GOT at call site) ++ + fplugin= + Common Joined RejectNegative Var(common_deferred_options) Defer + Specify a plugin to load Added: trunk/toolchain/gcc/patches/4.8-linaro/851-libgcc_no_compat.patch =================================================================== --- trunk/toolchain/gcc/patches/4.8-linaro/851-libgcc_no_compat.patch (rev 0) +++ trunk/toolchain/gcc/patches/4.8-linaro/851-libgcc_no_compat.patch 2015-05-10 13:16:35 UTC (rev 45664) @@ -0,0 +1,12 @@ +--- a/libgcc/config/t-libunwind ++++ b/libgcc/config/t-libunwind +@@ -2,8 +2,7 @@ + + HOST_LIBGCC2_CFLAGS += -DUSE_GAS_SYMVER + +-LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c \ +- $(srcdir)/unwind-compat.c $(srcdir)/unwind-dw2-fde-compat.c ++LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c + LIB2ADDEHSTATIC = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c + + # Override the default value from t-slibgcc-elf-ver and mention -lunwind Added: trunk/toolchain/gcc/patches/4.9-linaro/020-no-plt-backport.patch =================================================================== --- trunk/toolchain/gcc/patches/4.9-linaro/020-no-plt-backport.patch (rev 0) +++ trunk/toolchain/gcc/patches/4.9-linaro/020-no-plt-backport.patch 2015-05-10 13:16:35 UTC (rev 45664) @@ -0,0 +1,28 @@ +--- a/gcc/calls.c ++++ b/gcc/calls.c +@@ -184,6 +184,12 @@ prepare_call_address (tree fndecl, rtx f + && targetm.small_register_classes_for_mode_p (FUNCTION_MODE)) + ? force_not_mem (memory_address (FUNCTION_MODE, funexp)) + : memory_address (FUNCTION_MODE, funexp)); ++ else if (flag_pic && !flag_plt && fndecl ++ && TREE_CODE (fndecl) == FUNCTION_DECL ++ && !targetm.binds_local_p (fndecl)) ++ { ++ funexp = force_reg (Pmode, funexp); ++ } + else if (! sibcallp) + { + #ifndef NO_FUNCTION_CSE +--- a/gcc/common.opt ++++ b/gcc/common.opt +@@ -1659,6 +1659,10 @@ fpie + Common Report Var(flag_pie,1) Negative(fPIC) + Generate position-independent code for executables if possible (small mode) + ++fplt ++Common Report Var(flag_plt) Init(1) ++Use PLT for PIC calls (-fno-plt: load the address from GOT at call site) ++ + fplugin= + Common Joined RejectNegative Var(common_deferred_options) Defer + Specify a plugin to load Added: trunk/toolchain/gcc/patches/4.9-linaro/851-libgcc_no_compat.patch =================================================================== --- trunk/toolchain/gcc/patches/4.9-linaro/851-libgcc_no_compat.patch (rev 0) +++ trunk/toolchain/gcc/patches/4.9-linaro/851-libgcc_no_compat.patch 2015-05-10 13:16:35 UTC (rev 45664) @@ -0,0 +1,12 @@ +--- a/libgcc/config/t-libunwind ++++ b/libgcc/config/t-libunwind +@@ -2,8 +2,7 @@ + + HOST_LIBGCC2_CFLAGS += -DUSE_GAS_SYMVER + +-LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c \ +- $(srcdir)/unwind-compat.c $(srcdir)/unwind-dw2-fde-compat.c ++LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c + LIB2ADDEHSTATIC = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c + + # Override the default value from t-slibgcc-elf-ver and mention -lunwind _______________________________________________ openwrt-commits mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-commits
