diff options
Diffstat (limited to 'gcc/config/sh/sh-protos.h')
| -rw-r--r-- | gcc/config/sh/sh-protos.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/gcc/config/sh/sh-protos.h b/gcc/config/sh/sh-protos.h index ea7e847300d..fecbb886d0f 100644 --- a/gcc/config/sh/sh-protos.h +++ b/gcc/config/sh/sh-protos.h @@ -224,8 +224,12 @@ sh_find_set_of_reg (rtx reg, rtx_insn* insn, F stepfunc, } } - if (result.set_src != NULL) - gcc_assert (result.insn != NULL && result.set_rtx != NULL); + /* If the searched reg is found inside a (mem (post_inc:SI (reg))), set_of + will return NULL and set_rtx will be NULL. + In this case report a 'not found'. result.insn will always be non-null + at this point, so no need to check it. */ + if (result.set_src != NULL && result.set_rtx == NULL) + result.set_src = NULL; return result; } @@ -344,13 +348,24 @@ private: extern sh_treg_insns sh_split_treg_set_expr (rtx x, rtx_insn* curr_insn); +enum +{ + /* An effective conditional branch distance of zero bytes is impossible. + Hence we can use it to designate an unknown value. */ + unknown_cbranch_distance = 0u, + infinite_cbranch_distance = ~0u +}; + +unsigned int +sh_cbranch_distance (rtx_insn* cbranch_insn, + unsigned int max_dist = infinite_cbranch_distance); + #endif /* RTX_CODE */ extern void sh_cpu_cpp_builtins (cpp_reader* pfile); extern const char *output_jump_label_table (void); extern rtx get_t_reg_rtx (void); -extern int sh_media_register_for_return (void); extern void sh_expand_prologue (void); extern void sh_expand_epilogue (bool); extern void sh_set_return_address (rtx, rtx); |