From e89ddc35d75d682ae6164b32c582d0fe497ef57c Mon Sep 17 00:00:00 2001
From: Cyril SIX <cyril.six@kalray.eu>
Date: Tue, 15 Dec 2020 17:39:43 +0100
Subject: Turning loads into non-trapping when necessary

---
 cparser/Machine.ml  | 9 ++++++++-
 cparser/Machine.mli | 1 +
 2 files changed, 9 insertions(+), 1 deletion(-)

(limited to 'cparser')

diff --git a/cparser/Machine.ml b/cparser/Machine.ml
index 97ca9223..73b71ea0 100644
--- a/cparser/Machine.ml
+++ b/cparser/Machine.ml
@@ -61,6 +61,7 @@ type t = {
   supports_unaligned_accesses: bool;
   struct_passing_style: struct_passing_style;
   struct_return_style : struct_return_style;
+  has_non_trapping_loads : bool;
 }
 
 let ilp32ll64 = {
@@ -96,6 +97,7 @@ let ilp32ll64 = {
   supports_unaligned_accesses = false;
   struct_passing_style = SP_ref_callee;
   struct_return_style = SR_ref;
+  has_non_trapping_loads = false;
 }
 
 let i32lpll64 = {
@@ -131,6 +133,7 @@ let i32lpll64 = {
   supports_unaligned_accesses = false;
   struct_passing_style = SP_ref_callee;
   struct_return_style = SR_ref;
+  has_non_trapping_loads = false;
 }
 
 let il32pll64 = {
@@ -166,6 +169,7 @@ let il32pll64 = {
   supports_unaligned_accesses = false;
   struct_passing_style = SP_ref_callee;
   struct_return_style = SR_ref;
+  has_non_trapping_loads = false;
 }
 
 (* Canned configurations for some ABIs *)
@@ -270,7 +274,9 @@ let kvx =
     bitfields_msb_first = false; (* TO CHECK *)
     supports_unaligned_accesses = true;
     struct_passing_style = SP_value32_ref_callee;
-    struct_return_style = SR_int1to4 }
+    struct_return_style = SR_int1to4;
+    has_non_trapping_loads = true;
+}
 
 let aarch64 =
   { i32lpll64 with name = "aarch64";
@@ -323,6 +329,7 @@ let undef = {
   supports_unaligned_accesses = false;
   struct_passing_style = SP_ref_callee;
   struct_return_style = SR_ref;
+  has_non_trapping_loads = false;
 }
 
 (* The current configuration.  Must be initialized before use. *)
diff --git a/cparser/Machine.mli b/cparser/Machine.mli
index 0e1e22d1..54436758 100644
--- a/cparser/Machine.mli
+++ b/cparser/Machine.mli
@@ -60,6 +60,7 @@ type t = {
   supports_unaligned_accesses: bool;
   struct_passing_style: struct_passing_style;
   struct_return_style: struct_return_style;
+  has_non_trapping_loads: bool;
 }
 
 (* The current configuration *)
-- 
cgit