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authorGravatar zinc <zinc@downsta.ir> 2026-10-14 19:36:30 +0330
committerGravatar zinc <zinc@downsta.ir> 2026-10-14 19:36:30 +0330
commit7e9abb014169b77cba5174ae92ddc3d1eca4d667 (patch)
treeb7a9b0dd17c1c9fea7b94f9ba7ad115bf2f7470b /src/compiler/expr.zc
parentmerge work/bench: make bench, bench-check, bench-selftest; baseline at 89f35bd (diff)
parentrt: exact-size heap bounds; n, the words new asked for, lives in bits 32..62 ... (diff)
merge work/exactsize: exact-size heap bounds
Diffstat (limited to 'src/compiler/expr.zc')
-rw-r--r--src/compiler/expr.zc4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/compiler/expr.zc b/src/compiler/expr.zc
index e449508..a548f8d 100644
--- a/src/compiler/expr.zc
+++ b/src/compiler/expr.zc
@@ -171,7 +171,7 @@ int newtyped() {
lit(tsz(t)); lit(t);
newsz = tsz(t); newleaf = 0;
if (isleaf(t)) newleaf = t;
- if (!o3on && !dry && lookup(s_new_k) >= 0) { lit(szclass(newsz)); fast = 1; }
+ if (newsz <= 0x7FFFFFFF - rt.HDR && !o3on && !dry && lookup(s_new_k) >= 0) { lit(szclass(newsz)); fast = 1; }
}
expect(s_rp);
stamp_site();
@@ -450,7 +450,7 @@ int call(int s) {
xaf = af_new(newsz, 2, cp);
if (lsp > 0) newloop(cp);
// a constant size: the class is known now, so use the allocator's direct path
- if (newsz >= 0 && !o3on && !dry && lookup(s_new_k) >= 0) {
+ if (newsz >= 0 && newsz <= 0x7FFFFFFF - rt.HDR && !o3on && !dry && lookup(s_new_k) >= 0) { // (a bigger size has no class: new_t stops it)
lit(0);
lit(szclass(newsz));
s = lookup(s_new_k);