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* [gcc r14-398] RISC-V: Eliminate SYNC memory models
@ 2023-05-02 20:10 Patrick O'Neill
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From: Patrick O'Neill @ 2023-05-02 20:10 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:f37a36bce81b50a43ec1613c1d08d803642f7506
commit r14-398-gf37a36bce81b50a43ec1613c1d08d803642f7506
Author: Patrick O'Neill <patrick@rivosinc.com>
Date: Wed Apr 5 09:44:33 2023 -0700
RISC-V: Eliminate SYNC memory models
Remove references to MEMMODEL_SYNC_* models by converting via
memmodel_base().
2023-04-27 Patrick O'Neill <patrick@rivosinc.com>
gcc/ChangeLog:
* config/riscv/riscv.cc: Remove MEMMODEL_SYNC_* cases and
sanitize memmodel input with memmodel_base.
Signed-off-by: Patrick O'Neill <patrick@rivosinc.com>
Diff:
---
gcc/config/riscv/riscv.cc | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 4c3cf7167a2..11af780fc3e 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -4304,14 +4304,11 @@ riscv_memmodel_needs_amo_acquire (enum memmodel model)
{
case MEMMODEL_ACQ_REL:
case MEMMODEL_SEQ_CST:
- case MEMMODEL_SYNC_SEQ_CST:
case MEMMODEL_ACQUIRE:
case MEMMODEL_CONSUME:
- case MEMMODEL_SYNC_ACQUIRE:
return true;
case MEMMODEL_RELEASE:
- case MEMMODEL_SYNC_RELEASE:
case MEMMODEL_RELAXED:
return false;
@@ -4330,14 +4327,11 @@ riscv_memmodel_needs_release_fence (enum memmodel model)
{
case MEMMODEL_ACQ_REL:
case MEMMODEL_SEQ_CST:
- case MEMMODEL_SYNC_SEQ_CST:
case MEMMODEL_RELEASE:
- case MEMMODEL_SYNC_RELEASE:
return true;
case MEMMODEL_ACQUIRE:
case MEMMODEL_CONSUME:
- case MEMMODEL_SYNC_ACQUIRE:
case MEMMODEL_RELAXED:
return false;
@@ -4376,6 +4370,7 @@ riscv_print_operand (FILE *file, rtx op, int letter)
}
machine_mode mode = GET_MODE (op);
enum rtx_code code = GET_CODE (op);
+ const enum memmodel model = memmodel_base (INTVAL (op));
switch (letter)
{
@@ -4513,12 +4508,12 @@ riscv_print_operand (FILE *file, rtx op, int letter)
break;
case 'A':
- if (riscv_memmodel_needs_amo_acquire ((enum memmodel) INTVAL (op)))
+ if (riscv_memmodel_needs_amo_acquire (model))
fputs (".aq", file);
break;
case 'F':
- if (riscv_memmodel_needs_release_fence ((enum memmodel) INTVAL (op)))
+ if (riscv_memmodel_needs_release_fence (model))
fputs ("fence iorw,ow; ", file);
break;
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