zig

commit 5bfb1a9a7e811324eccee2f935923b1d97da86c6 (tree)
parent be87644337b7884ef3aa50fd1d719825bd9a174a
Author: Motiejus <motiejus@jakstys.lt>
Date:   Sat,  7 Mar 2026 09:32:37 +0000

sema: fix zirBitSizeOf for pointer types

Pointer types (*T) now return 32 bits (wasm32-wasi target pointer
size), matching Sema.zig bitSizeSema → ptrBitWidth.

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

Diffstat:
M
stage0/sema.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/stage0/sema.c b/stage0/sema.c
@@ -9299,6 +9299,11 @@ static AirInstRef zirBitSizeOf(Sema* sema, uint32_t inst) {
                 || type_ip == IP_INDEX_C_ULONGLONG_TYPE) {
                 bit_size = 64;
             }
+            // Pointer types: use target pointer size (wasm32 = 32 bits).
+            // Ported from Sema.zig zirBitSizeOf → bitSizeSema → ptrBitWidth.
+            else if (sema->ip->items[type_ip].tag == IP_KEY_PTR_TYPE) {
+                bit_size = 32; // wasm32-wasi target pointer bit size
+            }
             // void, type, etc. have 0 bits.
         }
     }