| 1 |
commit: 5213053fd5d9716da8c94773a5a4525ce0af9322 |
| 2 |
Author: Mike Gilbert <floppym <AT> gentoo <DOT> org> |
| 3 |
AuthorDate: Fri Mar 6 17:38:31 2015 +0000 |
| 4 |
Commit: Mike Gilbert <floppym <AT> gentoo <DOT> org> |
| 5 |
CommitDate: Fri Mar 6 17:38:31 2015 +0000 |
| 6 |
URL: https://gitweb.gentoo.org/proj/devmanual.git/commit/?id=5213053f |
| 7 |
|
| 8 |
Remove Assembler Optimisation section |
| 9 |
|
| 10 |
The USE flags listed are not in either use.force or use.mask. |
| 11 |
The rest of the text is not particularly interesting or useful. |
| 12 |
|
| 13 |
archs/amd64/text.xml | 45 --------------------------------------------- |
| 14 |
1 file changed, 45 deletions(-) |
| 15 |
|
| 16 |
diff --git a/archs/amd64/text.xml b/archs/amd64/text.xml |
| 17 |
index 3019b4b..8aeff2d 100644 |
| 18 |
--- a/archs/amd64/text.xml |
| 19 |
+++ b/archs/amd64/text.xml |
| 20 |
@@ -81,51 +81,6 @@ done. It should only be applied to shared objects. |
| 21 |
</section> |
| 22 |
|
| 23 |
<section> |
| 24 |
-<title>Assembler Optimisation</title> |
| 25 |
-<body> |
| 26 |
- |
| 27 |
-<p> |
| 28 |
-Modern x86 processors support special instruction sets like <c>mmx</c>, <c>sse</c>, |
| 29 |
-<c>SSE2</c> and <c>3DNow!</c>. AMD64 also provides support for them, but in most |
| 30 |
-cases, x86 assembler code is incompatible with AMD64 assembler. There are lots |
| 31 |
-of packages that provide support through USE flags for these instruction sets. |
| 32 |
-Originally, the USE flags were introduced to keep support for older processors |
| 33 |
-such as the Pentium I that can't handle such code. Currently, all AMD64s support the |
| 34 |
-same combination of extended instruction sets, so there is no reason to make |
| 35 |
-use of the mentioned USE flags. That's why these USE flags are hard-masked in |
| 36 |
-all AMD64-profiles. This doesn't mean we don't support the extensions |
| 37 |
-themselves, instead, we hard-enable them. |
| 38 |
-</p> |
| 39 |
- |
| 40 |
-<p> |
| 41 |
-The following USE flags are masked on AMD64: |
| 42 |
-</p> |
| 43 |
- |
| 44 |
-<ul> |
| 45 |
- <li> |
| 46 |
- mmx |
| 47 |
- </li> |
| 48 |
- <li> |
| 49 |
- mmx2 |
| 50 |
- </li> |
| 51 |
- <li> |
| 52 |
- sse |
| 53 |
- </li> |
| 54 |
- <li> |
| 55 |
- sse2 |
| 56 |
- </li> |
| 57 |
- <li> |
| 58 |
- 3dnow |
| 59 |
- </li> |
| 60 |
- <li> |
| 61 |
- 3dnowext |
| 62 |
- </li> |
| 63 |
-</ul> |
| 64 |
- |
| 65 |
-</body> |
| 66 |
-</section> |
| 67 |
- |
| 68 |
-<section> |
| 69 |
<title>Multilib on AMD64</title> |
| 70 |
<body> |
Archives