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| author | Richard Earnshaw <rearnsha@arm.com> | 2001-01-08 14:32:53 +0000 |
|---|---|---|
| committer | Richard Earnshaw <rearnsha@gcc.gnu.org> | 2001-01-08 14:32:53 +0000 |
| commit | c7861455c823513906045e3214f7f8d7f44e2276 (patch) | |
| tree | 549d014c763a08ab5184d4496894bc9fb9de39bf /gcc | |
| parent | 734dba19cd3a968ac15d17388665277bbd7746a1 (diff) | |
| download | gcc-c7861455c823513906045e3214f7f8d7f44e2276.zip gcc-c7861455c823513906045e3214f7f8d7f44e2276.tar.gz gcc-c7861455c823513906045e3214f7f8d7f44e2276.tar.bz2 | |
arm.h (HARD_REGNO_RENAME_OK): Delete.
* arm.h (HARD_REGNO_RENAME_OK): Delete.
(EPILOGUE_USES): Define.
(INITIAL_ELIMINATION_OFFSET): Current prologue code does not
automatically stack the LR if it isn't live.
From-SVN: r38800
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/arm/arm.h | 15 |
2 files changed, 10 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 52bb93d..655af22 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2001-01-08 Richard Earnshaw <rearnsha@arm.com> + + * arm.h (HARD_REGNO_RENAME_OK): Delete. + (EPILOGUE_USES): Define. + (INITIAL_ELIMINATION_OFFSET): Current prologue code does not + automatically stack the LR if it isn't live. + Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz> * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h index 43d3138..2701e24 100644 --- a/gcc/config/arm/arm.h +++ b/gcc/config/arm/arm.h @@ -1319,17 +1319,6 @@ enum reg_class : \ ((FROM) == HI_REGS || (TO) == HI_REGS) ? 4 : 2) -/* Register Renaming Parameters. */ - -/* A C expression that is nonzero if hard register number TO can be - considered for use as a rename register for FROM. - - If the return register isn't already live, we mustn't use it. */ - -#define HARD_REGNO_RENAME_OK(FROM,TO) \ - ((TO) != LR_REGNUM || regs_ever_live[LR_REGNUM]) - - /* Stack layout; function entry, exit and calling. */ /* Define this if pushing a word on the stack @@ -1622,6 +1611,8 @@ typedef struct #define FUNCTION_EPILOGUE(STREAM, SIZE) \ output_func_epilogue (SIZE) +#define EPILOGUE_USES(REGNO) (reload_completed && (REGNO) == LR_REGNUM) + /* Determine if the epilogue should be output as RTL. You should override this if you define FUNCTION_EXTRA_EPILOGUE. */ #define USE_RETURN_INSN(ISCOND) \ @@ -1712,7 +1703,7 @@ typedef struct if (! frame_pointer_needed) \ offset -= 16; \ if (! volatile_func \ - && (regs_ever_live[LR_REGNUM] || saved_hard_reg)) \ + && (regs_ever_live[LR_REGNUM] /*|| saved_hard_reg */)) \ offset += 4; \ offset += current_function_outgoing_args_size; \ (OFFSET) = ROUND_UP (get_frame_size ()) + offset; \ |