diff mbox series

[v4,04/10] RISCV: Add AMO release bits

Message ID 20230414170942.1695672-5-patrick@rivosinc.com
State New
Headers show
Series RISCV: Implement ISA Manual Table A.6 Mappings | expand

Commit Message

Patrick O'Neill April 14, 2023, 5:09 p.m. UTC 
This patch sets the relevant .rl bits on amo operations.

2023-04-14 Patrick O'Neill <patrick@rivosinc.com>

	* riscv.cc (riscv_print_operand): change behavior of %A to
	include release bits.

Signed-off-by: Patrick O'Neill <patrick@rivosinc.com>
---
 gcc/config/riscv/riscv.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 2226241217d..088b8d25773 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -4492,8 +4492,13 @@  riscv_print_operand (FILE *file, rtx op, int letter)
       break;
 
     case 'A':
-      if (riscv_memmodel_needs_amo_acquire (model))
+      if (riscv_memmodel_needs_amo_acquire (model) &&
+	  riscv_memmodel_needs_release_fence (model))
+	fputs (".aqrl", file);
+      else if (riscv_memmodel_needs_amo_acquire (model))
 	fputs (".aq", file);
+      else if (riscv_memmodel_needs_release_fence (model))
+	fputs (".rl", file);
       break;
 
     case 'F':