[libc] Fix compilation error on targets without 128-bit int types (#97039)

overmighty · web-flow · commit 7f68675f64e0 · 2024-06-28T07:35:31.000-04:00
See Buildbot failures: - https://lab.llvm.org/buildbot/#/builders/11/builds/743 - https://lab.llvm.org/buildbot/#/builders/182/builds/362
diff --git a/libc/src/__support/high_precision_decimal.h b/libc/src/__support/high_precision_decimal.h
@@ -409,7 +409,8 @@ class HighPrecisionDecimal {
       result *= 10;
       ++cur_digit;
     }
-    return result + this->should_round_up(this->decimal_point, round);
+    return result + static_cast<unsigned int>(
+                        this->should_round_up(this->decimal_point, round));
   }
 
   // Extra functions for testing.
diff --git a/libc/test/src/__support/math_extras_test.cpp b/libc/test/src/__support/math_extras_test.cpp
@@ -102,7 +102,7 @@ TYPED_TEST(LlvmLibcBitTest, CountZeros, UnsignedTypesNoBigInt) {
 }
 
 using UnsignedTypes = testing::TypeList<
-#if defined(__SIZEOF_INT128__)
+#if defined(LIBC_TYPES_HAS_INT128)
     __uint128_t,
 #endif
     unsigned char, unsigned short, unsigned int, unsigned long,

Original file line number	Diff line number	Diff line change
`@@ -409,7 +409,8 @@ class HighPrecisionDecimal {`
`409`	`409`	`result *= 10;`
`410`	`410`	`++cur_digit;`
`411`	`411`	`}`
`412`		`- return result + this->should_round_up(this->decimal_point, round);`
	`412`	`+ return result + static_cast<unsigned int>(`
	`413`	`+ this->should_round_up(this->decimal_point, round));`
`413`	`414`	`}`
`414`	`415`
`415`	`416`	`// Extra functions for testing.`
Original file line number	Diff line number	Diff line change
`@@ -102,7 +102,7 @@ TYPED_TEST(LlvmLibcBitTest, CountZeros, UnsignedTypesNoBigInt) {`
`102`	`102`	`}`
`103`	`103`
`104`	`104`	`using UnsignedTypes = testing::TypeList<`
`105`		`-#if defined(__SIZEOF_INT128__)`
	`105`	`+#if defined(LIBC_TYPES_HAS_INT128)`
`106`	`106`	`__uint128_t,`
`107`	`107`	`#endif`
`108`	`108`	`unsigned char, unsigned short, unsigned int, unsigned long,`