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| author | Jiong Wang <jiong.wang@arm.com> | 2016-06-11 20:42:26 +0000 |
|---|---|---|
| committer | Jiong Wang <jiong.wang@arm.com> | 2016-06-11 20:42:26 +0000 |
| commit | 9b15eaf4e8f275502382d9f1d48fd3993d46e74e (patch) | |
| tree | 13f9f0b62c517609fd6e7c120f28c37f6e02ec48 /gcc/config/arm/arm.md | |
| parent | 28722cde1618b96ec665e2298108018b1798d02e (diff) | |
[ARM] length pop* pattern in epilogue correctly
PR target/71061
* config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
* config/arm/arm.c (arm_attr_length_pop_multi): New function to return
length for pop patterns.
(arm_attr_length_push_multi): Update comments.
* config/arm/arm.md (*load_multiple_with_writeback): Set "length"
attribute.
(*pop_multiple_with_writeback_and_return): Likewise.
(*pop_multiple_with_return): Likewise.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@237331 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/arm/arm.md')
| -rw-r--r-- | gcc/config/arm/arm.md | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 04714a1335e..16498316bee 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -10562,7 +10562,11 @@ } " [(set_attr "type" "load4") - (set_attr "predicable" "yes")] + (set_attr "predicable" "yes") + (set (attr "length") + (symbol_ref "arm_attr_length_pop_multi (operands, + /*return_pc=*/false, + /*write_back_p=*/true)"))] ) ;; Pop with return (as used in epilogue RTL) @@ -10591,7 +10595,10 @@ } " [(set_attr "type" "load4") - (set_attr "predicable" "yes")] + (set_attr "predicable" "yes") + (set (attr "length") + (symbol_ref "arm_attr_length_pop_multi (operands, /*return_pc=*/true, + /*write_back_p=*/true)"))] ) (define_insn "*pop_multiple_with_return" @@ -10611,7 +10618,10 @@ } " [(set_attr "type" "load4") - (set_attr "predicable" "yes")] + (set_attr "predicable" "yes") + (set (attr "length") + (symbol_ref "arm_attr_length_pop_multi (operands, /*return_pc=*/true, + /*write_back_p=*/false)"))] ) ;; Load into PC and return |