motiejus/zig

commit 6b5c87957b37df89d2ea53f1b39a7e4be0bf1326 (tree)
parent ca1ab38d3a037239fc1399c2f9d5b2967acb6757
Author: William Sengir <william@sengir.com>
Date:   Sat, 26 Mar 2022 15:45:30 -0700

stage2: handle vectors in `Value.intFitsInType`

Diffstat:
M
src/value.zig
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/value.zig b/src/value.zig
@@ -1671,6 +1671,7 @@ pub const Value = extern union {
     }
 
     /// Asserts the value is an integer, and the destination type is ComptimeInt or Int.
+    /// Vectors are also accepted. Vector results are reduced with AND.
     pub fn intFitsInType(self: Value, ty: Type, target: Target) bool {
         switch (self.tag()) {
             .zero,
@@ -1767,6 +1768,16 @@ pub const Value = extern union {
                 else => unreachable,
             },
 
+            .aggregate => {
+                assert(ty.zigTypeTag() == .Vector);
+                for (self.castTag(.aggregate).?.data) |elem| {
+                    if (!elem.intFitsInType(ty.scalarType(), target)) {
+                        return false;
+                    }
+                }
+                return true;
+            },
+
             else => unreachable,
         }
     }