Merge branch 'feature/enable_zc_extension_for_esp32s31_v6.1' into 'release/v6.1'

feat(soc): esp32s31 enable zc* extension (v6.1)

See merge request espressif/esp-idf!51324

components/soc/esp32s31/include/soc/Kconfig.soc_caps.in

@@ -595,6 +595,10 @@ config SOC_SIMD_PREFERRED_DATA_ALIGNMENT
     int
     default 16
 
+config SOC_CPU_HAS_ZC_EXTENSIONS
+    bool
+    default y
+
 config SOC_DMA_CAN_ACCESS_FLASH
     bool
     default y

components/soc/esp32s31/include/soc/soc_caps.h

@@ -201,6 +201,8 @@
 
 #define SOC_SIMD_PREFERRED_DATA_ALIGNMENT 16 // The preferred data alignment accepted by the SIMD instructions, in bytes
 
+#define SOC_CPU_HAS_ZC_EXTENSIONS       1
+
 /*-------------------------- DMA Common CAPS ----------------------------------------*/
 #define SOC_DMA_CAN_ACCESS_FLASH 1 /*!< DMA can access Flash memory */
 

components/soc/project_include.cmake

@@ -48,9 +48,11 @@ if(CONFIG_IDF_TOOLCHAIN_GCC)
                 if(CONFIG_SOC_CPU_ZCMP_PUSH_REVERSED)
                     idf_toolchain_add_flags(COMPILE_OPTIONS "-mno-cm-push-reverse")
                 endif()
-                if(CONFIG_SOC_CPU_ZCMP_POPRET_ISSUE)
+                # TODO GCC-493: uncomment when the issue is resolved
+                # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126454
+                # if(CONFIG_SOC_CPU_ZCMP_POPRET_ISSUE)
                     idf_toolchain_add_flags(COMPILE_OPTIONS "-mno-cm-popret")
-                endif()
+                # endif()
             endif()
         endif()