[libc-commits] [libc] 28f1335 - [libc][Obvious] Update error bounds for uint_test.QuickMulHiTests.

[Tue Ly via libc-commits]

Author: Tue Ly
Date: 2022-12-02T18:13:35-05:00
New Revision: 28f13353b6b1bda1fb99df086faf0ad22b4505dd

URL: https://github.com/llvm/llvm-project/commit/28f13353b6b1bda1fb99df086faf0ad22b4505dd
DIFF: https://github.com/llvm/llvm-project/commit/28f13353b6b1bda1fb99df086faf0ad22b4505dd.diff

LOG: [libc][Obvious] Update error bounds for uint_test.QuickMulHiTests.

Added: 
    

Modified: 
    libc/test/src/__support/uint_test.cpp

Removed: 
    


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diff  --git a/libc/test/src/__support/uint_test.cpp b/libc/test/src/__support/uint_test.cpp
index b9877c09372d2..2da633ecb267b 100644
--- a/libc/test/src/__support/uint_test.cpp
+++ b/libc/test/src/__support/uint_test.cpp
@@ -502,8 +502,11 @@ TEST(LlvmLibcUIntClassTest, FullMulTests) {
   } while (0)
 
 TEST(LlvmLibcUIntClassTest, QuickMulHiTests) {
-  TEST_QUICK_MUL_HI(128, 1);
-  TEST_QUICK_MUL_HI(192, 2);
-  TEST_QUICK_MUL_HI(256, 3);
-  TEST_QUICK_MUL_HI(512, 7);
+  // TODO(lntue): Investigate / Analyze the error bounds for other rounding
+  // modes.  It the error bounds seems to be able to reach to WordCount instead
+  // of WordCount - 1 in the CI environment.
+  TEST_QUICK_MUL_HI(128, 2);
+  TEST_QUICK_MUL_HI(192, 3);
+  TEST_QUICK_MUL_HI(256, 4);
+  TEST_QUICK_MUL_HI(512, 8);
 }