2011-07-02 Maciej Stachowiak <mjs@apple.com>

        Reviewed by Anders Carlsson.

        SunSpider: all four bitops benchmarks can be replaced with NOP
        https://bugs.webkit.org/show_bug.cgi?id=38446

        * tests/sunspider-1.0/bitops-3bit-bits-in-byte.js:
        (TimeFunc): Save the result.
        * tests/sunspider-1.0/bitops-bits-in-byte.js:
        (TimeFunc): Save the result.
        * tests/sunspider-1.0/bitops-bitwise-and.js: More explicitly
        save the results.
        * tests/sunspider-1.0/bitops-nsieve-bits.js:
        (sieve): Save the result.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@90319 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/PerformanceTests/SunSpider/ChangeLog b/PerformanceTests/SunSpider/ChangeLog
index fedbcd89273dcb48737f58d35aa9b2920ea90e22..2b5aa1ba57075412849a84506f9ead1bd6ec878f 100644 (file)
--- a/PerformanceTests/SunSpider/ChangeLog
+++ b/PerformanceTests/SunSpider/ChangeLog
@@ -1,3 +1,19 @@
+2011-07-02  Maciej Stachowiak  <mjs@apple.com>
+
+        Reviewed by Anders Carlsson.
+
+        SunSpider: all four bitops benchmarks can be replaced with NOP
+        https://bugs.webkit.org/show_bug.cgi?id=38446
+
+        * tests/sunspider-1.0/bitops-3bit-bits-in-byte.js:
+        (TimeFunc): Save the result.
+        * tests/sunspider-1.0/bitops-bits-in-byte.js:
+        (TimeFunc): Save the result.
+        * tests/sunspider-1.0/bitops-bitwise-and.js: More explicitly
+        save the results.
+        * tests/sunspider-1.0/bitops-nsieve-bits.js:
+        (sieve): Save the result.
+
 2011-07-02  Maciej Stachowiak  <mjs@apple.com>
 
         SunSpider: string-validate-input.js uses an undeclared variable named 'name', which is a DOM API

diff --git a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-3bit-bits-in-byte.js b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-3bit-bits-in-byte.js
index 1d85406809bdd92b8ce88260404ca908be3cf71d..ab3d7dec5390689a830610a5f51172d3877a5107 100644 (file)
--- a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-3bit-bits-in-byte.js
+++ b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-3bit-bits-in-byte.js
@@ -1,5 +1,7 @@
 // Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld com
 
+var result = 0;
+
 // 1 op = 6 ANDs, 3 SHRs, 3 SHLs, 4 assigns, 2 ADDs
 // O(1)
 function fast3bitlookup(b) {
@@ -25,8 +27,10 @@ addr3,r3,r10
 
 function TimeFunc(func) {
 var x, y, t;
+var sum = 0;
 for(var x=0; x<500; x++)
-for(var y=0; y<256; y++) func(y);
+for(var y=0; y<256; y++) sum += func(y);
+return sum;
 }
 
-TimeFunc(fast3bitlookup);
+sum = TimeFunc(fast3bitlookup);

diff --git a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bits-in-byte.js b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bits-in-byte.js
index 9a3acd4f77b1b4eb2585f7f9b892abac2f65c673..ebde79949293780e1865ccd4421aab7ef17a6d0d 100644 (file)
--- a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bits-in-byte.js
+++ b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bits-in-byte.js
@@ -1,6 +1,8 @@
 // Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld com)
 
 
+var result = 0;
+
 // 1 op = 2 assigns, 16 compare/branches, 8 ANDs, (0-8) ADDs, 8 SHLs
 // O(n)
 function bitsinbyte(b) {
@@ -14,8 +16,10 @@ return c;
 
 function TimeFunc(func) {
 var x, y, t;
+var sum = 0;
 for(var x=0; x<350; x++)
-for(var y=0; y<256; y++) func(y);
+for(var y=0; y<256; y++) sum += func(y);
+return sum;
 }
 
-TimeFunc(bitsinbyte);
+result = TimeFunc(bitsinbyte);

diff --git a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bitwise-and.js b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bitwise-and.js
index 7c80e696d9337dfe8dd04041563a52d8faa9702a..b274f77a3d926c370d5ffffc25fa314a34010edb 100644 (file)
--- a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bitwise-and.js
+++ b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bitwise-and.js
@@ -26,3 +26,5 @@
 bitwiseAndValue = 4294967296;
 for (var i = 0; i < 600000; i++)
     bitwiseAndValue = bitwiseAndValue & i;
+
+var result = butwiseAndValue;

diff --git a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-nsieve-bits.js b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-nsieve-bits.js
index 6ef0ddb11b035a4fbc55d54f2caef2c6e1c739d6..a9f2d221b08fb12b5c98271c37b951cb13ff418d 100644 (file)
--- a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-nsieve-bits.js
+++ b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-nsieve-bits.js
@@ -27,6 +27,7 @@ function sieve() {
         var isPrime = new Array((10000<<i)+31>>5);
         primes(isPrime, i);
     }
+    return isPrime;
 }
 
-sieve();
+var result = sieve();