diff options
Diffstat (limited to 'contrib/gcc/config/rs6000')
| -rw-r--r-- | contrib/gcc/config/rs6000/linux.h | 3 | ||||
| -rw-r--r-- | contrib/gcc/config/rs6000/linux64.h | 3 | ||||
| -rw-r--r-- | contrib/gcc/config/rs6000/rs6000.c | 4 | ||||
| -rw-r--r-- | contrib/gcc/config/rs6000/rs6000.md | 24 | ||||
| -rw-r--r-- | contrib/gcc/config/rs6000/sysv4.h | 15 |
5 files changed, 35 insertions, 14 deletions
diff --git a/contrib/gcc/config/rs6000/linux.h b/contrib/gcc/config/rs6000/linux.h index 593e961f7433..15db88a9e6e5 100644 --- a/contrib/gcc/config/rs6000/linux.h +++ b/contrib/gcc/config/rs6000/linux.h @@ -48,6 +48,9 @@ Boston, MA 02111-1307, USA. */ #undef LINK_SHLIB_SPEC #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}" +#define LINK_GCC_C_SEQUENCE_SPEC \ + "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" + #undef LIB_DEFAULT_SPEC #define LIB_DEFAULT_SPEC "%(lib_linux)" diff --git a/contrib/gcc/config/rs6000/linux64.h b/contrib/gcc/config/rs6000/linux64.h index 55065c6a31d4..a538d02b955d 100644 --- a/contrib/gcc/config/rs6000/linux64.h +++ b/contrib/gcc/config/rs6000/linux64.h @@ -137,6 +137,9 @@ Boston, MA 02111-1307, USA. */ #undef LINK_SHLIB_SPEC #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}" +#define LINK_GCC_C_SEQUENCE_SPEC \ + "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" + #undef LIB_DEFAULT_SPEC #define LIB_DEFAULT_SPEC "%(lib_linux)" diff --git a/contrib/gcc/config/rs6000/rs6000.c b/contrib/gcc/config/rs6000/rs6000.c index 3c17f2156f2d..13f4ed3dab10 100644 --- a/contrib/gcc/config/rs6000/rs6000.c +++ b/contrib/gcc/config/rs6000/rs6000.c @@ -3310,7 +3310,7 @@ function_arg_pass_by_reference (cum, mode, type, named) return 1; } - return type && int_size_in_bytes (type) <= 0; + return type && int_size_in_bytes (type) < 0; } /* Perform any needed actions needed for a function that is receiving a @@ -3551,7 +3551,7 @@ rs6000_va_arg (valist, type) if (DEFAULT_ABI != ABI_V4) { /* Variable sized types are passed by reference. */ - if (int_size_in_bytes (type) <= 0) + if (int_size_in_bytes (type) < 0) { u = build_pointer_type (type); diff --git a/contrib/gcc/config/rs6000/rs6000.md b/contrib/gcc/config/rs6000/rs6000.md index 4c9503128711..4d5ef9db4caa 100644 --- a/contrib/gcc/config/rs6000/rs6000.md +++ b/contrib/gcc/config/rs6000/rs6000.md @@ -14308,7 +14308,7 @@ return \"bdz $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrsi_internal2" [(set (pc) @@ -14332,7 +14332,7 @@ return \"{bdn|bdnz} $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrdi_internal1" [(set (pc) @@ -14356,7 +14356,7 @@ return \"bdz $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrdi_internal2" [(set (pc) @@ -14380,7 +14380,7 @@ return \"{bdn|bdnz} $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) ;; Similar, but we can use GE since we have a REG_NONNEG. @@ -14406,7 +14406,7 @@ return \"bdz $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrsi_internal4" [(set (pc) @@ -14430,7 +14430,7 @@ return \"{bdn|bdnz} $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrdi_internal3" [(set (pc) @@ -14454,7 +14454,7 @@ return \"bdz $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrdi_internal4" [(set (pc) @@ -14478,7 +14478,7 @@ return \"{bdn|bdnz} $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) ;; Similar but use EQ @@ -14504,7 +14504,7 @@ return \"{bdn|bdnz} $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrsi_internal6" [(set (pc) @@ -14528,7 +14528,7 @@ return \"bdz $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrdi_internal5" [(set (pc) @@ -14552,7 +14552,7 @@ return \"{bdn|bdnz} $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) (define_insn "*ctrdi_internal6" [(set (pc) @@ -14576,7 +14576,7 @@ return \"bdz $+8\;b %l0\"; }" [(set_attr "type" "branch") - (set_attr "length" "4,12,16")]) + (set_attr "length" "*,12,16")]) ;; Now the splitters if we could not allocate the CTR register diff --git a/contrib/gcc/config/rs6000/sysv4.h b/contrib/gcc/config/rs6000/sysv4.h index 3da996fbd54c..26450e7ee273 100644 --- a/contrib/gcc/config/rs6000/sysv4.h +++ b/contrib/gcc/config/rs6000/sysv4.h @@ -383,6 +383,21 @@ do { \ #undef STACK_BOUNDARY #define STACK_BOUNDARY (TARGET_ALTIVEC_ABI ? 128 : 64) +/* Define this macro if you wish to preserve a certain alignment for + the stack pointer, greater than what the hardware enforces. The + definition is a C expression for the desired alignment (measured + in bits). This macro must evaluate to a value equal to or larger + than STACK_BOUNDARY. + For the SYSV ABI and variants the alignment of the stack pointer + is usually controlled manually in rs6000.c. However, to maintain + alignment across alloca () in all circumstances, + PREFERRED_STACK_BOUNDARY needs to be set as well. + This has the additional advantage of allowing a bigger maximum + alignment of user objects on the stack. */ + +#undef PREFERRED_STACK_BOUNDARY +#define PREFERRED_STACK_BOUNDARY 128 + /* Real stack boundary as mandated by the appropriate ABI. */ #define ABI_STACK_BOUNDARY ((TARGET_EABI && !TARGET_ALTIVEC_ABI) ? 64 : 128) |