experimentally switch to rv64

Signed-off-by: xermicus <cyrill@parity.io>

crates/llvm-context/src/target_machine/mod.rs

@@ -24,10 +24,10 @@ pub struct TargetMachine {
 
 impl TargetMachine {
     /// The LLVM target name.
-    pub const VM_TARGET_NAME: &'static str = "riscv32";
+    pub const VM_TARGET_NAME: &'static str = "riscv64";
 
     /// The LLVM target triple.
-    pub const VM_TARGET_TRIPLE: &'static str = "riscv32-unknown-unknown-elf";
+    pub const VM_TARGET_TRIPLE: &'static str = "riscv64-unknown-unknown-elf";
 
     /// LLVM target features.
     #[cfg(feature = "riscv-zbb")]
@@ -45,7 +45,7 @@ impl TargetMachine {
             .ok_or_else(|| anyhow::anyhow!("LLVM target machine `{}` not found", target.name()))?
             .create_target_machine(
                 &inkwell::targets::TargetTriple::create(target.triple()),
-                "generic-rv32",
+                "generic-rv64",
                 Self::VM_FEATURES,
                 optimizer_settings.level_back_end,
                 inkwell::targets::RelocMode::PIC,

crates/llvm-context/src/target_machine/target.rs

@@ -19,7 +19,7 @@ impl Target {
     ///
     pub fn name(&self) -> &str {
         match self {
-            Self::PVM => "riscv32",
+            Self::PVM => "riscv64",
         }
     }
 
@@ -28,7 +28,7 @@ impl Target {
     ///
     pub fn triple(&self) -> &str {
         match self {
-            Self::PVM => "riscv32-unknown-unknown-elf",
+            Self::PVM => "riscv64-unknown-unknown-elf",
         }
     }
 
@@ -47,7 +47,7 @@ impl FromStr for Target {
 
     fn from_str(string: &str) -> Result<Self, Self::Err> {
         match string {
-            "riscv32" => Ok(Self::PVM),
+            "riscv64" => Ok(Self::PVM),
             _ => Err(anyhow::anyhow!(
                 "Unknown target `{}`. Supported targets: {:?}",
                 string,
@@ -60,7 +60,7 @@ impl FromStr for Target {
 impl std::fmt::Display for Target {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
-            Target::PVM => write!(f, "riscv32"),
+            Target::PVM => write!(f, "riscv64"),
         }
     }
 }