diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/bfin/bfin.c | 22 |
2 files changed, 27 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4b2fcea..fb4974c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2006-05-31 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.c (bfin_delegitimize_address): New. + (TARGET_DELEGITIMIZE_ADDRESS): Define. + 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com> * Makefile.in (CATALOGS): Add po/ prefix. diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c index 5234bfd..288e327 100644 --- a/gcc/config/bfin/bfin.c +++ b/gcc/config/bfin/bfin.c @@ -1030,6 +1030,25 @@ legitimize_address (rtx x ATTRIBUTE_UNUSED, rtx oldx ATTRIBUTE_UNUSED, return NULL_RTX; } +static rtx +bfin_delegitimize_address (rtx orig_x) +{ + rtx x = orig_x, y; + + if (GET_CODE (x) != MEM) + return orig_x; + + x = XEXP (x, 0); + if (GET_CODE (x) == PLUS + && GET_CODE (XEXP (x, 1)) == UNSPEC + && XINT (XEXP (x, 1), 1) == UNSPEC_MOVE_PIC + && GET_CODE (XEXP (x, 0)) == REG + && REGNO (XEXP (x, 0)) == PIC_OFFSET_TABLE_REGNUM) + return XVECEXP (XEXP (x, 1), 0, 0); + + return orig_x; +} + /* This predicate is used to compute the length of a load/store insn. OP is a MEM rtx, we return nonzero if its addressing mode requires a 32 bit instruction. */ @@ -3643,4 +3662,7 @@ bfin_expand_builtin (tree exp, rtx target ATTRIBUTE_UNUSED, #undef TARGET_SECONDARY_RELOAD #define TARGET_SECONDARY_RELOAD bfin_secondary_reload +#undef TARGET_DELEGITIMIZE_ADDRESS +#define TARGET_DELEGITIMIZE_ADDRESS bfin_delegitimize_address + struct gcc_target targetm = TARGET_INITIALIZER; |