diff --git a/build/online.mk b/build/online.mk
index da1775bbe..433317dc9 100644
--- a/build/online.mk
+++ b/build/online.mk
@@ -22,14 +22,14 @@
 #   - tool/build/runit.c
 #   - tool/build/runitd.c
 
-.PRECIOUS: o/$(MODE)/%.com.ok
-o/$(MODE)/%.com.ok: private .PLEDGE = stdio rpath wpath cpath proc fattr inet dns
-o/$(MODE)/%.com.ok: private .UNVEIL += r:/etc/resolv.conf
-o/$(MODE)/%.com.ok:				\
-		o/$(MODE)/tool/build/runit.com	\
-		o/$(MODE)/tool/build/runitd.com	\
-		o/$(MODE)/%.com
+.PRECIOUS: o/$(MODE)/%.ok
+o/$(MODE)/%.ok: private .PLEDGE = stdio rpath wpath cpath proc fattr inet dns
+o/$(MODE)/%.ok: private .UNVEIL += r:/etc/resolv.conf
+o/$(MODE)/%.ok:					\
+		o/$(MODE)/tool/build/runit	\
+		o/$(MODE)/tool/build/runitd	\
+		o/$(MODE)/%
 	@$(COMPILE) -wATEST -tT$@ $^ $(HOSTS)
 
 .PHONY:
-o/tiny/tool/build/runit.com:
+o/tiny/tool/build/runit:
diff --git a/libc/nexgen32e/x86feature.h b/libc/nexgen32e/x86feature.h
index ebe6e05f8..bf623e65a 100644
--- a/libc/nexgen32e/x86feature.h
+++ b/libc/nexgen32e/x86feature.h
@@ -154,6 +154,7 @@
 #define X86_XTPR                 1H,        ECX, 14, 0
 #define X86_ZERO_FCS_FDS         7H,        EBX, 13, 0
 #define X86_JIT                  80000001H, ECX, 31, 0                        /* IsGenuineBlink() */
+#define X86_HYBRID_CPU           7H,        EDX, 15, 0                        /* Has performance and efficiency cores */
 /* clang-format on */
 
 /* AMD specific features */
diff --git a/libc/str/getzipcfilecompressedsize.c b/libc/str/getzipcfilecompressedsize.c
index 4f69dfbef..f2c26ba36 100644
--- a/libc/str/getzipcfilecompressedsize.c
+++ b/libc/str/getzipcfilecompressedsize.c
@@ -29,8 +29,12 @@ int64_t GetZipCfileCompressedSize(const uint8_t *z) {
   const uint8_t *pe = p + ZIP_CFILE_EXTRASIZE(z);
   for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
     if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
-      if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
-        return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
+      int offset = 0;
+      if (ZIP_CFILE_UNCOMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
+        offset += 8;
+      }
+      if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
+        return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
       }
     }
   }
diff --git a/libc/str/getzipcfileuncompressedsize.c b/libc/str/getzipcfileuncompressedsize.c
index 998c44aa9..3a38bd29e 100644
--- a/libc/str/getzipcfileuncompressedsize.c
+++ b/libc/str/getzipcfileuncompressedsize.c
@@ -29,12 +29,8 @@ int64_t GetZipCfileUncompressedSize(const uint8_t *z) {
   const uint8_t *pe = p + ZIP_CFILE_EXTRASIZE(z);
   for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
     if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
-      int offset = 0;
-      if (ZIP_CFILE_COMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
-        offset += 8;
-      }
-      if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
-        return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
+      if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
+        return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
       }
     }
   }
diff --git a/libc/str/getziplfilecompressedsize.c b/libc/str/getziplfilecompressedsize.c
index e57d6e292..26403d300 100644
--- a/libc/str/getziplfilecompressedsize.c
+++ b/libc/str/getziplfilecompressedsize.c
@@ -29,8 +29,12 @@ int64_t GetZipLfileCompressedSize(const uint8_t *z) {
   const uint8_t *pe = p + ZIP_LFILE_EXTRASIZE(z);
   for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
     if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
-      if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
-        return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
+      int offset = 0;
+      if (ZIP_LFILE_UNCOMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
+        offset += 8;
+      }
+      if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
+        return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
       }
     }
   }
diff --git a/libc/str/getziplfileuncompressedsize.c b/libc/str/getziplfileuncompressedsize.c
index 0ec5e3fac..86a6b3621 100644
--- a/libc/str/getziplfileuncompressedsize.c
+++ b/libc/str/getziplfileuncompressedsize.c
@@ -29,12 +29,8 @@ int64_t GetZipLfileUncompressedSize(const uint8_t *z) {
   const uint8_t *pe = p + ZIP_LFILE_EXTRASIZE(z);
   for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
     if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
-      int offset = 0;
-      if (ZIP_LFILE_COMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
-        offset += 8;
-      }
-      if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
-        return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
+      if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
+        return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
       }
     }
   }
diff --git a/tool/emacs/cosmo-cpp-constants.el b/tool/emacs/cosmo-cpp-constants.el
index 4d73b8aad..5c27fe5b7 100644
--- a/tool/emacs/cosmo-cpp-constants.el
+++ b/tool/emacs/cosmo-cpp-constants.el
@@ -60,6 +60,7 @@
     "__AVX5124VNNIW__"
     "__AVX512VBMI__"
     "__AVX512VNNI__"
+    "__AVX512VL__"
     "__AVXVNNI__"
     "__AVXVNNIINT8__"
     "__AVXVNNIINT16__"
@@ -100,7 +101,31 @@
     "__arm__"
     "__aarch64__"
     "__AARCH64EB__"
+    "__ARM_ARCH"
     "__ARM_NEON"
+    "__ARM_FEATURE_FMA"
+    "__ARM_FEATURE_FP16_VECTOR_ARITHMETIC"
+    "__ARM_FEATURE_DOTPROD"
+    "__ARM_FEATURE_FRINT"
+    "__ARM_FEATURE_RNG"
+    "__ARM_FEATURE_CLZ"
+    "__ARM_FEATURE_CRC32"
+    "__ARM_FEATURE_CRYPTO"
+    "__ARM_FEATURE_ATOMICS"
+    "__ARM_FEATURE_MATMUL_INT8"
+    "__ARM_FEATURE_NUMERIC_MAXMIN"
+    "__ARM_FEATURE_QBIT"
+    "__ARM_FEATURE_QRDMX"
+    "__ARM_FEATURE_SHA2"
+    "__ARM_FEATURE_SHA3"
+    "__ARM_FEATURE_SHA512"
+    "__ARM_FEATURE_SM3"
+    "__ARM_FEATURE_SM4"
+    "__ARM_FEATURE_FP16_FML"
+    "__ARM_FP16_ARGS"
+    "__ARM_FP16_FORMAT_ALTERNATIVE"
+    "__ARM_FP16_IEEE"
+    "__ARM_FP_FAST"
     "__powerpc__"
     "__powerpc64__"
     "__POWER9_VECTOR__"