diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.7/ppc_no_crtsavres.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.7/ppc_no_crtsavres.patch | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.7/ppc_no_crtsavres.patch b/meta/recipes-devtools/gcc/gcc-4.7/ppc_no_crtsavres.patch deleted file mode 100644 index 92a5d9e176..0000000000 --- a/meta/recipes-devtools/gcc/gcc-4.7/ppc_no_crtsavres.patch +++ /dev/null @@ -1,72 +0,0 @@ -Upstream-Status: Backport - -Signed-off-by: Khem Raj - -Source-url: http://gcc.gnu.org/ml/gcc-patches/2012-05/msg01362.html - -Currently, powerpc-linux gcc -Os -mno-multiple uses out-of-linux gpr -save and restore functions when saving/restoring just one gpr. That's -quite silly since the function call requires more instructions and is -slower than an inline save/restore. The only case where it might win -is when no fprs are restored and the restore function can tear down -the frame and exit (also loading up lr on ppc64). I guess that's how -GP_SAVE_INLINE came to be like it is, ie. it's optimised for the -common case using ldm in the prologue and no fprs. Still, it isn't -difficult to choose the best combination in all cases, but it does -mean different logic is needed for restores. I could have implemented -GP_RESTORE_INLINE and FP_RESORE_INLINE macros but it seemed simpler to -just move everything into the one place the macros are invoked. AIX -and Darwin register cutoff doesn't change with this patch. - -This patch also enables out-of-line restores in cases that were -previously disabled due to using inline saves. - -Bootstrapped and regression tested powerpc-linux. OK to apply? - - * aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete. - * darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete. - * sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE, V_SAVE_INLINE): Delete. - * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete. - (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic. - For ELF targets, use out-of-line restores for -Os and any number - of regs if the restore exits, and out-of-line gp save for two or - more regs. Use save_reg_p to test for holes in reg restore set. - Replace "#if" with "if". - -Index: gcc-4_7-branch/gcc/config/rs6000/aix.h -=================================================================== ---- gcc-4_7-branch.orig/gcc/config/rs6000/aix.h 2012-09-07 12:35:35.000000000 -0700 -+++ gcc-4_7-branch/gcc/config/rs6000/aix.h 2012-09-07 15:27:55.215290315 -0700 -@@ -207,11 +207,6 @@ - { "link_syscalls", LINK_SYSCALLS_SPEC }, \ - { "link_libg", LINK_LIBG_SPEC } - --/* Define cutoff for using external functions to save floating point. */ --#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) == 62 || (FIRST_REG) == 63) --/* And similarly for general purpose registers. */ --#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32) -- - #define PROFILE_HOOK(LABEL) output_profile_hook (LABEL) - - /* No version of AIX fully supports AltiVec or 64-bit instructions in -Index: gcc-4_7-branch/gcc/config/rs6000/darwin.h -=================================================================== ---- gcc-4_7-branch.orig/gcc/config/rs6000/darwin.h 2012-09-07 12:35:35.000000000 -0700 -+++ gcc-4_7-branch/gcc/config/rs6000/darwin.h 2012-09-07 15:27:55.223290316 -0700 -@@ -173,16 +173,6 @@ - (RS6000_ALIGN (crtl->outgoing_args_size, 16) \ - + (STACK_POINTER_OFFSET)) - --/* Define cutoff for using out-of-line functions to save registers. -- Currently on Darwin, we implement FP and GPR out-of-line-saves plus the -- special routine for 'save everything'. */ -- --#undef FP_SAVE_INLINE --#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) > 60 && (FIRST_REG) < 64) -- --#undef GP_SAVE_INLINE --#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) > 29 && (FIRST_REG) < 32) -- - /* Darwin uses a function call if everything needs to be saved/restored. */ - - #undef WORLD_SAVE_P |