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Patch sent upstream for review:
https://github.com/thepowersgang/mrustc/pull/276
diff --git a/src/trans/target.cpp b/src/trans/target.cpp
index 420a2870..4d5eefb3 100644
--- a/src/trans/target.cpp
+++ b/src/trans/target.cpp
@@ -65,6 +65,13 @@ const TargetArch ARCH_POWERPC64LE = {
{ /*atomic(u8)=*/true, true, true, true, true },
TargetArch::Alignments(2, 4, 8, 16, 4, 8, 8)
};
+// This is a guess
+const TargetArch ARCH_RISCV64 = {
+ "riscv64",
+ 64, false,
+ { /*atomic(u8)=*/true, true, true, true, true },
+ TargetArch::Alignments(2, 4, 8, 16, 4, 8, 8)
+};
TargetSpec g_target;
@@ -455,6 +462,13 @@ namespace
ARCH_POWERPC64LE
};
}
+ else if(target_name == "riscv64-unknown-linux-gnu")
+ {
+ return TargetSpec {
+ "unix", "linux", "gnu", {CodegenMode::Gnu11, false, "riscv64-unknown-linux-gnu", BACKEND_C_OPTS_GNU},
+ ARCH_RISCV64
+ };
+ }
else if(target_name == "i586-pc-windows-gnu")
{
return TargetSpec {
diff --git a/tools/common/target_detect.h b/tools/common/target_detect.h
index a052da6b..42fea91a 100644
--- a/tools/common/target_detect.h
+++ b/tools/common/target_detect.h
@@ -34,6 +34,8 @@
# define DEFAULT_TARGET_NAME "powerpc64-unknown-linux-gnu"
# elif defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)
# define DEFAULT_TARGET_NAME "powerpc64le-unknown-linux-gnu"
+# elif defined(__riscv) && __riscv_xlen == 64
+# define DEFAULT_TARGET_NAME "riscv64-unknown-linux-gnu"
# else
# warning "Unable to detect a suitable default target (linux-gnu)"
# endif
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