Fix 10 digits case in decimalCount64 (#785)

Author: MaxGraey

std/assembly/util/number.ts

@@ -129,7 +129,8 @@ export function decimalCount32(value: u32): u32 {
 export function decimalCount64(value: u64): u32 {
   if (value < 1000000000000000) {
     if (value < 1000000000000) {
-      return select<u32>(11, 12, value < 100000000000);
+      let m = select<u32>(11, 12, value < 100000000000);
+      return select<u32>(10, m, value < 10000000000);
     } else {
       let m = select<u32>(14, 15, value < 100000000000000);
       return select<u32>(13, m, value < 10000000000000);

tests/compiler/resolve-access.optimized.wat

@@ -387,12 +387,17 @@
   end
  )
  (func $~lib/util/number/decimalCount64 (; 7 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+  i32.const 10
   i32.const 11
   i32.const 12
   local.get $0
   i64.const 100000000000
   i64.lt_u
   select
+  local.get $0
+  i64.const 10000000000
+  i64.lt_u
+  select
   i32.const 13
   i32.const 14
   i32.const 15

tests/compiler/resolve-access.untouched.wat

@@ -1668,6 +1668,13 @@
     i64.const 100000000000
     i64.lt_u
     select
+    local.set $1
+    i32.const 10
+    local.get $1
+    local.get $0
+    i64.const 10000000000
+    i64.lt_u
+    select
     return
    else    
     i32.const 14

tests/compiler/std/array.optimized.wat

@@ -9581,12 +9581,17 @@
   local.get $1
  )
  (func $~lib/util/number/decimalCount64 (; 181 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+  i32.const 10
   i32.const 11
   i32.const 12
   local.get $0
   i64.const 100000000000
   i64.lt_u
   select
+  local.get $0
+  i64.const 10000000000
+  i64.lt_u
+  select
   i32.const 13
   i32.const 14
   i32.const 15

tests/compiler/std/array.untouched.wat

@@ -15001,6 +15001,13 @@
     i64.const 100000000000
     i64.lt_u
     select
+    local.set $1
+    i32.const 10
+    local.get $1
+    local.get $0
+    i64.const 10000000000
+    i64.lt_u
+    select
     return
    else    
     i32.const 14

tests/compiler/std/string.optimized.wat

@@ -247,13 +247,16 @@ assert(str.slice(0, -1) == "abcdefghijklm");
 assert(itoa32(0) == "0");
 assert(itoa32(1) == "1");
 assert(itoa32(8) == "8");
+assert(itoa32(12) == "12");
 assert(itoa32(123) == "123");
 assert(itoa32(-1000) == "-1000");
 assert(itoa32(1234) == "1234");
 assert(itoa32(12345) == "12345");
 assert(itoa32(123456) == "123456");
 assert(itoa32(1111111) == "1111111");
 assert(itoa32(1234567) == "1234567");
+assert(itoa32(12345678) == "12345678");
+assert(itoa32(123456789) == "123456789");
 assert(itoa32(0x7ffffffe) == "2147483646");
 assert(itoa32(0x7fffffff) == "2147483647");
 assert(itoa32(0x80000000) == "-2147483648");
@@ -266,20 +269,31 @@ assert(utoa32(0x80000000) == "2147483648");
 assert(utoa32(u32.MAX_VALUE) == "4294967295");
 
 assert(utoa64(0) == "0");
+assert(utoa64(12) == "12");
+assert(utoa64(123) == "123");
 assert(utoa64(1234) == "1234");
+assert(utoa64(12345) == "12345");
+assert(utoa64(123456) == "123456");
+assert(utoa64(1234567) == "1234567");
 assert(utoa64(99999999) == "99999999");
 assert(utoa64(100000000) == "100000000");
 assert(utoa64(0xffffffff) == "4294967295");
+assert(utoa64(4294967297) == "4294967297");
 assert(utoa64(0xfffffffff) == "68719476735");
 assert(utoa64(868719476735) == "868719476735");
+assert(utoa64(8687194767350) == "8687194767350");
+assert(utoa64(86871947673501) == "86871947673501");
 assert(utoa64(999868719476735) == "999868719476735");
 assert(utoa64(9999868719476735) == "9999868719476735");
 assert(utoa64(19999868719476735) == "19999868719476735");
-assert(utoa64(u64.MAX_VALUE) == "18446744073709551615");
+assert(utoa64(129999868719476735) == "129999868719476735");
+assert(utoa64(1239999868719476735) == "1239999868719476735");
+assert(utoa64(u64.MAX_VALUE)       == "18446744073709551615");
 
 assert(itoa64(0) == "0");
 assert(itoa64(-1234) == "-1234");
 assert(itoa64(0xffffffff) == "4294967295");
+assert(itoa64(4294967297) == "4294967297");
 assert(itoa64(-0xffffffff) == "-4294967295");
 assert(itoa64(68719476735) == "68719476735");
 assert(itoa64(-68719476735) == "-68719476735");