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| author | Michael Meissner <meissner@gcc.gnu.org> | 1995-03-13 19:51:05 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 1995-03-13 19:51:05 +0000 |
| commit | 59313e4e2505a7222c03aad1a38aa93d5dab391f (patch) | |
| tree | 360b3ad86253a80e157b7a201cbaaf3aa4b57ed3 /gcc | |
| parent | d7757a12ffd13fa313657bf1304b38b8933128f5 (diff) | |
| download | gcc-59313e4e2505a7222c03aad1a38aa93d5dab391f.zip gcc-59313e4e2505a7222c03aad1a38aa93d5dab391f.tar.gz gcc-59313e4e2505a7222c03aad1a38aa93d5dab391f.tar.bz2 | |
Add -mno-traceback option; eliminate nop after call on V.4/eabi
From-SVN: r9176
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 32 | ||||
| -rw-r--r-- | gcc/config/rs6000/sysv4.h | 10 |
2 files changed, 26 insertions, 16 deletions
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 170ae1c..4334237 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -4909,16 +4909,18 @@ "" "* { - if (GET_CODE (operands[0]) == REG) - { #ifndef USING_SVR4_H - return \"{brl|blrl}\;{l|lwz} 2,20(1)\"; -#else - return \"{brl|blrl}\"; -#endif - } + if (GET_CODE (operands[1]) == REG) + return \"{brl|blrl}\;{l|lwz} 2,20(1)\"; return \"bl %z0\;%.\"; + +#else + if (GET_CODE (operands[1]) == REG) + return \"{brl|blrl}\"; + + return \"bl %z0\"; +#endif }" [(set_attr "length" "8")]) @@ -4938,16 +4940,18 @@ "" "* { - if (GET_CODE (operands[1]) == REG) - { #ifndef USING_SVR4_H - return \"{brl|blrl}\;{l|lwz} 2,20(1)\"; -#else - return \"{brl|blrl}\"; -#endif - } + if (GET_CODE (operands[1]) == REG) + return \"{brl|blrl}\;{l|lwz} 2,20(1)\"; return \"bl %z1\;%.\"; + +#else + if (GET_CODE (operands[1]) == REG) + return \"{brl|blrl}\"; + + return \"bl %z1\"; +#endif }" [(set_attr "length" "8")]) diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h index 4a4ee0a..54f233d 100644 --- a/gcc/config/rs6000/sysv4.h +++ b/gcc/config/rs6000/sysv4.h @@ -24,11 +24,14 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define MASK_NO_BITFIELD_TYPE 0x40000000 /* Set PCC_BITFIELD_TYPE_MATTERS to 0 */ #define MASK_STRICT_ALIGN 0x20000000 /* Set STRICT_ALIGNMENT to 1. */ #define MASK_RELOCATABLE 0x10000000 /* GOT pointers are PC relative */ +#define MASK_NO_TRACEBACK 0x08000000 /* eliminate traceback words */ #define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE) #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE) #define TARGET_STRICT_ALIGN (target_flags & MASK_STRICT_ALIGN) #define TARGET_RELOCATABLE (target_flags & MASK_RELOCATABLE) +#define TARGET_NO_TRACEBACK (target_flags & MASK_NO_TRACEBACK) +#define TARGET_TRACEBACK (! TARGET_NO_TRACEBACK) #undef SUBTARGET_SWITCHES #define SUBTARGET_SWITCHES \ @@ -37,7 +40,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ { "strict-align", MASK_STRICT_ALIGN }, \ { "no-strict-align", -MASK_STRICT_ALIGN }, \ { "relocatable", MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC }, \ - { "no-relocatable", -MASK_RELOCATABLE }, + { "no-relocatable", -MASK_RELOCATABLE }, \ + { "traceback", -MASK_NO_TRACEBACK }, \ + { "no-traceback", MASK_NO_TRACEBACK }, #include "rs6000/powerpc.h" @@ -214,7 +219,8 @@ extern int rs6000_pic_labelno; putc (',', FILE); \ fprintf (FILE, TYPE_OPERAND_FMT, "function"); \ putc ('\n', FILE); \ - svr4_traceback (FILE, NAME, DECL); \ + if (TARGET_TRACEBACK) \ + svr4_traceback (FILE, NAME, DECL); \ ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ ASM_OUTPUT_LABEL(FILE, NAME); \ } while (0) |