Choice of C compiler doesn't matter much for Java...

Article: Nehalem Performance Preview
By: iz (i.delete@this.z.x), April 12, 2009 1:59 am
Room: Moderated Discussions
Paul (no@thanks.com) on 4/12/09 wrote:
---------------------------
>I think that omit-frame-pointer pointer has been part of -O for GCC for a while,
>a lot of work was put in to make debugging possible on x86 without the frame pointer.

Only for x86_64, but 32 bits x86 with gcc 4.3.2:

$ diff -u O2.s O2-omit-frame-pointer.s
--- O2.s 2009-04-12 12:48:27.000000000 +0200
+++ O2-omit-frame-pointer.s 2009-04-12 12:48:37.000000000 +0200
@@ -7,9 +7,7 @@
.globl bla
.type bla, @function
bla:
- pushl %ebp
- movl %esp, %ebp
- subl $8, %esp
+ subl $12, %esp
movl $.LC0, (%esp)
call puts
movl $1, (%esp)
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          Choice of C compiler doesn't matter much for Java...Henrik S2009/04/10 09:10 AM
            Choice of C compiler doesn't matter much for Java...EduardoS2009/04/10 01:49 PM
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                Choice of C compiler doesn't matter much for Java...EduardoS2009/04/11 10:30 AM
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                  Choice of C compiler doesn't matter much for Java...Henrik S2009/04/11 10:06 PM
                    Choice of C compiler doesn't matter much for Java...Paul2009/04/12 12:53 AM
                      Choice of C compiler doesn't matter much for Java...iz2009/04/12 01:59 AM
                      Choice of C compiler doesn't matter much for Java...Henrik S2009/04/12 06:37 AM
                    Choice of C compiler doesn't matter much for Java...EduardoS2009/04/12 07:08 AM
                      Choice of C compiler doesn't matter much for Java...Henrik S2009/04/12 08:25 AM
                        Choice of C compiler doesn't matter much for Java...EduardoS2009/04/12 04:24 PM
                          Choice of C compiler doesn't matter much for Java...Henrik S2009/04/12 09:18 PM
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              Choice of C compiler doesn't matter much for Java...Henrik S2009/04/11 10:08 PM
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