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filename src/sh4/sh4x86.in
changeset 908:a00debcf2600
prev905:4c17ebd9ef5e
next911:2f6ba75b84d1
author nkeynes
date Thu Oct 30 05:50:21 2008 +0000 (11 years ago)
permissions -rw-r--r--
last change Fix x86-64 build (typos et al)
Remove Push/pop ebx - don't really need it and saves adding more target-specific asm
file annotate diff log raw 
     1.1 --- a/src/sh4/sh4x86.in	Wed Oct 29 23:51:58 2008 +0000

     1.2 +++ b/src/sh4/sh4x86.in	Thu Oct 30 05:50:21 2008 +0000

     1.3 @@ -109,13 +109,9 @@

     1.4  {

     1.5      uint32_t features;

     1.6      

     1.7 -    // Note: Include the push/pop ebx sequence in case of PIC builds. This 

     1.8 -    // isn't exactly on a critical path anyway

     1.9      __asm__ __volatile__(

    1.10 -        "pushl %%ebx\n\t"

    1.11          "mov $0x01, %%eax\n\t"

    1.12 -        "cpuid\n\t"

    1.13 -        "popl %%ebx" : "=c" (features) : : "eax", "edx");

    1.14 +        "cpuid\n\t" : "=c" (features) : : "eax", "edx", "ebx");

    1.15      return (features & 1) ? TRUE : FALSE;

    1.16  }

    1.17
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