update //other readmes

other/AVX2/README.md

@@ -1,6 +1,6 @@
 # Thorium AVX2
 
-This directory contains build config files for compiling Thorium/Chromium with [AVX2](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2)
+This directory contains build config files for compiling Thorium/Chromium with [AVX2](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2).
 
 <img src="https://raw.githubusercontent.com/Alex313031/thorium/main/logos/STAGING/AVX2.png" width="86">
 

other/Mac/README.md

@@ -1,4 +1,4 @@
-# Thorium AVX2
+# Thorium for Mac
 
 This directory contains build config files for compiling Thorium/Chromium for MacOS.
 

other/SSE2/README.md

@@ -1,5 +1,6 @@
 # Thorium SSE2
 
-This directory contains build config files for compiling 32 bit Thorium/Chromium with [SSE2](https://en.wikipedia.org/wiki/SSE2)
+This directory contains build config files for compiling 32 bit Thorium/Chromium with [SSE2](https://en.wikipedia.org/wiki/SSE2).
 
-Chromium doesn't officially support 32 bit linux anymore, and "requires" SSE3. With some workarounds though, it can be made to work.
+Chromium doesn't officially support 32 bit Linux anymore, and "requires" SSE3. With some workarounds though, it can be made to work.  
+Using the `-msse2` compiler flag is not enough, one must also add the `-mmmx` and `-mfxsr` flags.

other/SSE3/README.md

@@ -1,8 +1,5 @@
 # Thorium SSE3
 
-This directory contains build config files for compiling Thorium/Chromium with [SSE3](https://en.wikipedia.org/wiki/SSE3)
+This directory contains build config files for compiling Thorium/Chromium with [SSE3](https://en.wikipedia.org/wiki/SSE3).
 
-They can also be adapted (and I do exactly this for my occassional SSE4.1 builds) to make [SSE4](https://en.wikipedia.org/wiki/SSE4), [SSE4.1](https://en.wikipedia.org/wiki/SSE4#SSE4.1), or [SSE4.2](https://en.wikipedia.org/wiki/SSE4#SSE4.2) builds.
-
-SSE4.1 could be used, for example, for building for a Core 2 Duo system. \
-I make SSE4.2 builds for 1st Gen core, since I have a laptop with a 1st gen "Westmere" CPU.
+This is the officially supported baseline instruction set for Chrome.

other/SSE4.1/README.md

@@ -0,0 +1,9 @@
+# Thorium SSE4.1
+
+This directory contains build config files for compiling Thorium/Chromium with [SSE4.1](https://en.wikipedia.org/wiki/SSE4#SSE4.1).
+
+They can also be edited (and I do exactly this for my occassional Westmere builds) to make [SSE4.2](https://en.wikipedia.org/wiki/SSE4#SSE4.2) builds.
+
+SSE4.1 is used to target Core 2 Duo systems at a minimum.
+
+I make SSE4.2 builds for 1st Gen core, since I have a laptop with a 1st gen "Westmere" CPU.