build: Target x86-64-v3 CPU architecture (#2934)

CMakeLists.txt

@@ -54,9 +54,9 @@ else()
 endif()
 
 if (ARCHITECTURE STREQUAL "x86_64")
-    # Target the same CPU architecture as the PS4, to maintain the same level of compatibility.
-    # Exclude SSE4a as it is only available on AMD CPUs.
-    add_compile_options(-march=btver2 -mtune=generic -mno-sse4a)
+    # Target x86-64-v3 CPU architecture as this is a good balance between supporting performance critical
+    # instructions like AVX2 and maintaining support for older CPUs.
+    add_compile_options(-march=x86-64-v3)
 endif()
 
 if (APPLE AND ARCHITECTURE STREQUAL "x86_64" AND CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")

documents/Quickstart/Quickstart.md

@@ -21,9 +21,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
 
 - A processor with at least 4 cores and 6 threads
 - Above 2.5 GHz frequency
-- A CPU supporting the following instruction sets: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, CLMUL, AES, BMI1, MOVBE, XSAVE, ABM
+- A CPU supporting the x86-64-v3 baseline.
   - **Intel**: Haswell generation or newer
-  - **AMD**: Jaguar generation or newer
+  - **AMD**: Excavator generation or newer
   - **Apple**: Rosetta 2 on macOS 15.4 or newer
 
 ### GPU
@@ -55,4 +55,4 @@ To configure the emulator, you can go through the interface and go to "settings"
 
 You can also configure the emulator by editing the `config.toml` file located in the `user` folder created after the application is started (Mostly useful if you are using the SDL version).
 Some settings may be related to more technical development and debugging.\
-For more information on this, see [**Debugging**](https://github.com/shadps4-emu/shadPS4/blob/main/documents/Debugging/Debugging.md#configuration).
+For more information on this, see [**Debugging**](https://github.com/shadps4-emu/shadPS4/blob/main/documents/Debugging/Debugging.md#configuration).