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| author | Kwok Cheung Yeung <kcy@codesourcery.com> | 2019-11-15 16:49:08 +0000 |
|---|---|---|
| committer | Kwok Cheung Yeung <kcy@gcc.gnu.org> | 2019-11-15 16:49:08 +0000 |
| commit | 969089ff80620690645aa2f23dea32212ca038bf (patch) | |
| tree | 79e910bb4edc2a6fae00f69fe0859cd74b243ff3 | |
| parent | 87fdbe697bb02faf054a21c5a593e51d538fe1a7 (diff) | |
| download | gcc-969089ff80620690645aa2f23dea32212ca038bf.zip gcc-969089ff80620690645aa2f23dea32212ca038bf.tar.gz gcc-969089ff80620690645aa2f23dea32212ca038bf.tar.bz2 | |
[amdgcn] Unfix registers for frame pointer
Allow the registers used for the frame pointer to be used for other purposes
if the frame pointer is not being used.
2019-11-15 Kwok Cheung Yeung <kcy@codesourcery.com>
gcc/
* config/gcn/gcn.h (FIXED_REGISTERS): Unfix frame pointer.
(CALL_USED_REGISTERS): Make frame pointer callee-saved.
From-SVN: r278306
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/gcn/gcn.h | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c06b82..fcc4f7b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2019-11-15 Kwok Cheung Yeung <kcy@codesourcery.com> + * config/gcn/gcn.h (FIXED_REGISTERS): Unfix frame pointer. + (CALL_USED_REGISTERS): Make frame pointer callee-saved. + +2019-11-15 Kwok Cheung Yeung <kcy@codesourcery.com> + * config/gcn/gcn.c (MAX_NORMAL_SGPR_COUNT, MAX_NORMAL_VGPR_COUNT): New. (gcn_conditional_register_usage): Use constants in place of hard-coded values. diff --git a/gcc/config/gcn/gcn.h b/gcc/config/gcn/gcn.h index dd3789b..e60b431 100644 --- a/gcc/config/gcn/gcn.h +++ b/gcc/config/gcn/gcn.h @@ -162,7 +162,7 @@ /* Scalars. */ \ 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, \ /* fp sp lr. */ \ - 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, \ + 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, \ /* exec_save, cc_save */ \ 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, \ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ @@ -203,7 +203,7 @@ #define CALL_USED_REGISTERS { \ /* Scalars. */ \ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, \ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, \ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ |