[Bug c/38134] gcc-4.4 speed regression with sse code

2008-11-15 Thread tim at klingt dot org
--- Comment #1 from tim at klingt dot org 2008-11-15 15:55 --- Created an attachment (id=16684) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16684action=view) compressed preprocessed source -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38134

[Bug c/38134] gcc-4.4 speed regression with sse code

2008-11-15 Thread ubizjak at gmail dot com
--- Comment #2 from ubizjak at gmail dot com 2008-11-15 16:46 --- Can you try with -fno-ira? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38134

[Bug c/38134] gcc-4.4 speed regression with sse code

2008-11-15 Thread tim at klingt dot org
--- Comment #3 from tim at klingt dot org 2008-11-15 17:04 --- i tried to run the benchmark with -fno-ira, which turned out to be about 20% slower than without the flag. anyway, i found, that the preprocessed source generated by gcc-4.3 cannot be compiled with gcc-4.4 ... the specific