From f9bc2d378323a62e564d9171a2d3a01d25f2c017 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Fri, 21 Apr 2017 22:47:15 +0200
Subject: [PATCH] Use memcmp instead of string_is_equal where possible for
 better performance

---
 configuration.c                             | 39 +++++++++++----------
 driver.c                                    |  2 +-
 dynamic.c                                   |  4 +--
 gfx/drivers_shader/shader_gl_cg.c           |  2 +-
 gfx/drivers_shader/shader_glsl.c            |  4 +--
 gfx/drivers_shader/shader_null.c            |  4 +--
 gfx/video_filters/blargg_ntsc_snes.c        |  8 ++---
 gfx/video_shader_parse.c                    |  2 +-
 input/drivers/sdl_input.c                   |  2 +-
 input/drivers/udev_input.c                  | 16 ++++-----
 input/drivers_joypad/udev_joypad.c          |  6 ++--
 input/input_config.c                        |  8 ++---
 intl/msg_hash_us.c                          | 29 ++++++++++-----
 libretro-common/file/config_file.c          |  8 ++---
 libretro-common/lists/dir_list.c            |  2 +-
 libretro-common/streams/trans_stream_zlib.c |  4 +--
 menu/drivers/xmb.c                          |  2 +-
 menu/menu_display.c                         | 16 ++++-----
 menu/menu_setting.c                         | 25 +++++++------
 setting_list.c                              |  4 +--
 tasks/task_autodetect.c                     |  2 +-
 tasks/task_database.c                       |  4 +--
 22 files changed, 103 insertions(+), 90 deletions(-)

diff --git a/configuration.c b/configuration.c
index f5ebf318f0..c6a9190d74 100644
--- a/configuration.c
+++ b/configuration.c
@@ -1684,15 +1684,16 @@ static bool check_shader_compatibility(enum file_path_enum enum_idx)
 {
    settings_t *settings = config_get_ptr();
 
-   if (string_is_equal("vulkan", settings->video.driver))
+   if (memcmp(settings->video.driver, "vulkan", 6) == 0)
    {
       if (enum_idx != FILE_PATH_SLANGP_EXTENSION)
          return false;
       return true;
    }
 
-   if (string_is_equal("gl", settings->video.driver) || 
-       string_is_equal("d3d", settings->video.driver))
+   if ((memcmp(settings->video.driver, "gl", 2) == 0) || 
+       (memcmp(settings->video.driver, "d3d", 3) == 0)
+      )
    {
       if (enum_idx == FILE_PATH_SLANGP_EXTENSION)
          return false;
@@ -2107,7 +2108,7 @@ static bool config_load_file(const char *path, bool set_defaults,
 
    if (!string_is_empty(settings->directory.screenshot))
    {
-      if (string_is_equal(settings->directory.screenshot, "default"))
+      if (memcmp(settings->directory.screenshot, "default", 7) == 0)
          *settings->directory.screenshot = '\0';
       else if (!path_is_directory(settings->directory.screenshot))
       {
@@ -2125,36 +2126,36 @@ static bool config_load_file(const char *path, bool set_defaults,
       path_clear(RARCH_PATH_CORE);
    }
 
-   if (string_is_equal(settings->path.menu_wallpaper, "default"))
+   if (memcmp(settings->path.menu_wallpaper, "default", 7) == 0)
       *settings->path.menu_wallpaper = '\0';
-   if (string_is_equal(settings->directory.video_shader, "default"))
+   if (memcmp(settings->directory.video_shader, "default", 7) == 0)
       *settings->directory.video_shader = '\0';
-   if (string_is_equal(settings->directory.video_filter, "default"))
+   if (memcmp(settings->directory.video_filter, "default", 7) == 0)
       *settings->directory.video_filter = '\0';
-   if (string_is_equal(settings->directory.audio_filter, "default"))
+   if (memcmp(settings->directory.audio_filter, "default", 7) == 0)
       *settings->directory.audio_filter = '\0';
-   if (string_is_equal(settings->directory.core_assets, "default"))
+   if (memcmp(settings->directory.core_assets, "default", 7) == 0)
       *settings->directory.core_assets = '\0';
-   if (string_is_equal(settings->directory.assets, "default"))
+   if (memcmp(settings->directory.assets, "default", 7) == 0)
       *settings->directory.assets = '\0';
-   if (string_is_equal(settings->directory.dynamic_wallpapers, "default"))
+   if (memcmp(settings->directory.dynamic_wallpapers, "default", 7) == 0)
       *settings->directory.dynamic_wallpapers = '\0';
-   if (string_is_equal(settings->directory.thumbnails, "default"))
+   if (memcmp(settings->directory.thumbnails, "default", 7) == 0)
       *settings->directory.thumbnails = '\0';
-   if (string_is_equal(settings->directory.playlist, "default"))
+   if (memcmp(settings->directory.playlist, "default", 7) == 0)
       *settings->directory.playlist = '\0';
 #ifdef HAVE_MENU
 
-   if (string_is_equal(settings->directory.menu_content, "default"))
+   if (memcmp(settings->directory.menu_content, "default", 7) == 0)
       *settings->directory.menu_content = '\0';
-   if (string_is_equal(settings->directory.menu_config, "default"))
+   if (memcmp(settings->directory.menu_config, "default", 7) == 0)
       *settings->directory.menu_config = '\0';
 #endif
 #ifdef HAVE_OVERLAY
-   if (string_is_equal(settings->directory.overlay, "default"))
+   if (memcmp(settings->directory.overlay, "default", 7) == 0)
       *settings->directory.overlay = '\0';
 #endif
-   if (string_is_equal(settings->directory.system, "default"))
+   if (memcmp(settings->directory.system, "default", 7) == 0)
       *settings->directory.system = '\0';
 
    if (settings->slowmotion_ratio < 1.0f)
@@ -2174,7 +2175,7 @@ static bool config_load_file(const char *path, bool set_defaults,
    if (!retroarch_override_setting_is_set(RARCH_OVERRIDE_SETTING_SAVE_PATH, NULL) &&
          config_get_path(conf, "savefile_directory", tmp_str, sizeof(tmp_str)))
    {
-      if (string_is_equal(tmp_str, "default"))
+      if (memcmp(tmp_str, "default", 7) == 0)
          dir_set(RARCH_DIR_SAVEFILE, g_defaults.dir.sram);
 
       else if (path_is_directory(tmp_str))
@@ -2200,7 +2201,7 @@ static bool config_load_file(const char *path, bool set_defaults,
    if (!retroarch_override_setting_is_set(RARCH_OVERRIDE_SETTING_STATE_PATH, NULL) &&
          config_get_path(conf, "savestate_directory", tmp_str, sizeof(tmp_str)))
    {
-      if (string_is_equal(tmp_str, "default"))
+      if (memcmp(tmp_str, "default", 7) == 0)
          dir_set(RARCH_DIR_SAVESTATE, g_defaults.dir.savestate);
       else if (path_is_directory(tmp_str))
       {
diff --git a/driver.c b/driver.c
index a1905f9062..3da659cee0 100644
--- a/driver.c
+++ b/driver.c
@@ -202,7 +202,7 @@ bool driver_find_next(const char *label, char *s, size_t len)
 {
    int i = driver_find_index(label, s);
 
-   if (i >= 0 && !string_is_equal(s, "null"))
+   if (i >= 0 && (memcmp(s, "null", 4) != 0))
    {
       find_driver_nonempty(label, i + 1, s, len);
       return true;
diff --git a/dynamic.c b/dynamic.c
index 798e50e0fb..8f54b27bc1 100644
--- a/dynamic.c
+++ b/dynamic.c
@@ -933,7 +933,7 @@ static bool dynamic_verify_hw_context(enum retro_hw_context_type type,
    switch (type)
    {
       case RETRO_HW_CONTEXT_VULKAN:
-         if (!string_is_equal(video_ident, "vulkan"))
+         if (memcmp(video_ident, "vulkan", 6) != 0)
             return false;
          break;
       case RETRO_HW_CONTEXT_OPENGLES2:
@@ -941,7 +941,7 @@ static bool dynamic_verify_hw_context(enum retro_hw_context_type type,
       case RETRO_HW_CONTEXT_OPENGLES_VERSION:
       case RETRO_HW_CONTEXT_OPENGL:
       case RETRO_HW_CONTEXT_OPENGL_CORE:
-         if (!string_is_equal(video_ident, "gl"))
+         if (memcmp(video_ident, "gl", 2) != 0)
             return false;
          break;
       default:
diff --git a/gfx/drivers_shader/shader_gl_cg.c b/gfx/drivers_shader/shader_gl_cg.c
index fc50ffd2f0..3aaec6d1fd 100644
--- a/gfx/drivers_shader/shader_gl_cg.c
+++ b/gfx/drivers_shader/shader_gl_cg.c
@@ -1054,7 +1054,7 @@ static void *gl_cg_init(void *data, const char *path)
    memset(cg->alias_define, 0, sizeof(cg->alias_define));
 
    if (    !string_is_empty(path) 
-         && string_is_equal(path_get_extension(path), "cgp"))
+         && (memcmp(path_get_extension(path), "cgp", 3) == 0))
    {
       if (!gl_cg_load_preset(cg, path))
          goto error;
diff --git a/gfx/drivers_shader/shader_glsl.c b/gfx/drivers_shader/shader_glsl.c
index 2ad6e0eb37..f4c4a8a860 100644
--- a/gfx/drivers_shader/shader_glsl.c
+++ b/gfx/drivers_shader/shader_glsl.c
@@ -758,7 +758,7 @@ static void *gl_glsl_init(void *data, const char *path)
       bool ret             = false;
       const char *path_ext = path_get_extension(path);
 
-      if (string_is_equal(path_ext, "glsl"))
+      if (memcmp(path_ext, "glsl", 4) == 0)
       {
          strlcpy(glsl->shader->pass[0].source.path, path,
                sizeof(glsl->shader->pass[0].source.path));
@@ -766,7 +766,7 @@ static void *gl_glsl_init(void *data, const char *path)
          glsl->shader->modern = true;
          ret = true;
       }
-      else if (string_is_equal(path_ext, "glslp"))
+      else if (memcmp(path_ext, "glslp", 5) == 0)
       {
          conf = config_file_new(path);
          if (conf)
diff --git a/gfx/drivers_shader/shader_null.c b/gfx/drivers_shader/shader_null.c
index ea40f7dc75..11985337a1 100644
--- a/gfx/drivers_shader/shader_null.c
+++ b/gfx/drivers_shader/shader_null.c
@@ -81,7 +81,7 @@ static bool shader_null_set_mvp(void *data, void *shader_data, const math_matrix
 {
 #ifdef HAVE_OPENGL
 #ifndef NO_GL_FF_MATRIX
-   if (string_is_equal(video_driver_get_ident(), "gl"))
+   if (memcmp(video_driver_get_ident(), "gl", 2) == 0)
       gl_ff_matrix(mat);
 #endif
 #endif
@@ -92,7 +92,7 @@ static bool shader_null_set_coords(void *handle_data, void *shader_data, const s
 {
 #ifdef HAVE_OPENGL
 #ifndef NO_GL_FF_VERTEX
-   if (string_is_equal(video_driver_get_ident(), "gl"))
+   if (memcmp(video_driver_get_ident(), "gl", 2) == 0)
       gl_ff_vertex(coords);
 #endif
 #endif
diff --git a/gfx/video_filters/blargg_ntsc_snes.c b/gfx/video_filters/blargg_ntsc_snes.c
index da2a7cd0d4..85e59338d6 100644
--- a/gfx/video_filters/blargg_ntsc_snes.c
+++ b/gfx/video_filters/blargg_ntsc_snes.c
@@ -83,22 +83,22 @@ static void blargg_ntsc_snes_initialize(void *data,
 
    if (config->get_string(userdata, "tvtype", &tvtype, "composite"))
    {
-      if (string_is_equal(tvtype, "composite"))
+      if (memcmp(tvtype, "composite", 9) == 0)
       {
          setup = snes_ntsc_composite;
          setup.merge_fields = 1;
       }
-      else if (string_is_equal(tvtype, "rf"))
+      else if (memcmp(tvtype, "rf", 2) == 0)
       {
          setup = snes_ntsc_composite;
          setup.merge_fields = 0;
       }
-      else if (string_is_equal(tvtype, "rgb"))
+      else if (memcmp(tvtype, "rgb", 3) == 0)
       {
          setup = snes_ntsc_rgb;
          setup.merge_fields = 1;
       }
-      else if (string_is_equal(tvtype, "svideo"))
+      else if (memcmp(tvtype, "svideo", 6) == 0)
       {
          setup = snes_ntsc_svideo;
          setup.merge_fields = 1;
diff --git a/gfx/video_shader_parse.c b/gfx/video_shader_parse.c
index 30442ec44e..05661dd35b 100644
--- a/gfx/video_shader_parse.c
+++ b/gfx/video_shader_parse.c
@@ -491,7 +491,7 @@ bool video_shader_resolve_parameters(config_file_t *conf,
       /* First try to use the more robust slang implementation to support #includes. */
       /* FIXME: The check for slang can be removed if it's sufficiently tested for
        * GLSL/Cg as well, it should be the same implementation. */
-      if (string_is_equal(path_get_extension(shader->pass[i].source.path), "slang") &&
+      if ((memcmp(path_get_extension(shader->pass[i].source.path), "slang", 5) == 0) &&
             slang_preprocess_parse_parameters(shader->pass[i].source.path, shader))
          continue;
       /* If that doesn't work, fallback to the old path.
diff --git a/input/drivers/sdl_input.c b/input/drivers/sdl_input.c
index 029fcf1f4a..126613892d 100644
--- a/input/drivers/sdl_input.c
+++ b/input/drivers/sdl_input.c
@@ -302,7 +302,7 @@ static void sdl_grab_mouse(void *data, bool state)
       SDL_Window *w;
    };
 
-   if (!string_is_equal(video_driver_get_ident(), "sdl2"))
+   if (memcmp(video_driver_get_ident(), "sdl2", 4) != 0)
       return;
 
    /* First member of sdl2_video_t is the window */
diff --git a/input/drivers/udev_input.c b/input/drivers/udev_input.c
index ced28ebb70..f80ec0a318 100644
--- a/input/drivers/udev_input.c
+++ b/input/drivers/udev_input.c
@@ -317,32 +317,32 @@ static void udev_input_handle_hotplug(udev_input_t *udev)
    action        = udev_device_get_action(dev);
    devnode       = udev_device_get_devnode(dev);
 
-   if (val_keyboard && string_is_equal(val_keyboard, "1") && devnode)
+   if (val_keyboard && (memcmp(val_keyboard, "1", 1) == 0) && devnode)
       devtype = "keyboard";
 
-   if (val_mouse && string_is_equal(val_mouse, "1") && devnode)
+   if (val_mouse && (memcmp(val_mouse, "1", 1) == 0) && devnode)
       devtype = "mouse";
 
-   if (val_touchpad && string_is_equal(val_touchpad, "1") && devnode)
+   if (val_touchpad && (memcmp(val_touchpad, "1", 1) == 0) && devnode)
       devtype = "touchpad";
 
    if (!devtype)
       goto end;
 
-   if (string_is_equal(action, "add"))
+   if (memcmp(action, "add", 3) == 0)
    {
       device_handle_cb cb      = NULL;
-      if (string_is_equal(devtype, "keyboard"))
+      if (memcmp(devtype, "keyboard", 8) == 0)
          cb = udev_handle_keyboard;
-      else if (string_is_equal(devtype, "touchpad"))
+      else if (memcmp(devtype, "touchpad", 8) == 0)
          cb = udev_handle_touchpad;
-      else if (string_is_equal(devtype, "mouse"))
+      else if (memcmp(devtype, "mouse", 5) == 0)
          cb = udev_handle_mouse;
 
       RARCH_LOG("[udev]: Hotplug add %s: %s.\n", devtype, devnode);
       udev_input_add_device(udev, devnode, cb);
    }
-   else if (string_is_equal(action, "remove"))
+   else if (memcmp(action, "remove", 6) == 0)
    {
       RARCH_LOG("[udev]: Hotplug remove %s: %s.\n", devtype, devnode);
       udev_input_remove_device(udev, devnode);
diff --git a/input/drivers_joypad/udev_joypad.c b/input/drivers_joypad/udev_joypad.c
index 4965dd2965..f852d5e36a 100644
--- a/input/drivers_joypad/udev_joypad.c
+++ b/input/drivers_joypad/udev_joypad.c
@@ -420,15 +420,15 @@ static void udev_joypad_handle_hotplug(struct udev_device *dev)
    const char *action  = udev_device_get_action(dev);
    const char *devnode = udev_device_get_devnode(dev);
 
-   if (!val || !string_is_equal(val, "1") || !devnode)
+   if (!val || (memcmp(val, "1", 1) != 0) || !devnode)
       goto end;
 
-   if (string_is_equal(action, "add"))
+   if (memcmp(action, "add", 3) == 0)
    {
       RARCH_LOG("[udev]: Hotplug add: %s.\n", devnode);
       udev_check_device(dev, devnode);
    }
-   else if (string_is_equal(action, "remove"))
+   else if (memcmp(action, "remove", 6) == 0)
    {
       RARCH_LOG("[udev]: Hotplug remove: %s.\n", devnode);
       udev_joypad_remove_device(devnode);
diff --git a/input/input_config.c b/input/input_config.c
index 94ff52ed72..457f4e4bf7 100644
--- a/input/input_config.c
+++ b/input/input_config.c
@@ -280,13 +280,13 @@ static void parse_hat(struct retro_keybind *bind, const char *str)
       return;
    }
 
-   if      (string_is_equal(dir, "up"))
+   if      (memcmp(dir, "up", 2) == 0)
       hat_dir = HAT_UP_MASK;
-   else if (string_is_equal(dir, "down"))
+   else if (memcmp(dir, "down", 4) == 0)
       hat_dir = HAT_DOWN_MASK;
-   else if (string_is_equal(dir, "left"))
+   else if (memcmp(dir, "left", 4) == 0)
       hat_dir = HAT_LEFT_MASK;
-   else if (string_is_equal(dir, "right"))
+   else if (memcmp(dir, "right", 5) == 0)
       hat_dir = HAT_RIGHT_MASK;
 
    if (hat_dir)
diff --git a/intl/msg_hash_us.c b/intl/msg_hash_us.c
index 237c97b2e9..4d138101ed 100644
--- a/intl/msg_hash_us.c
+++ b/intl/msg_hash_us.c
@@ -769,7 +769,8 @@ int menu_hash_get_help_us_enum(enum msg_hash_enums msg, char *s, size_t len) {
             snprintf(s, len,
                      "Current Video driver.");
 
-            if (string_is_equal(settings->video.driver, "gl")) {
+            if (memcmp(settings->video.driver, "gl", 2) == 0)
+            {
                 snprintf(s, len,
                          "OpenGL Video driver. \n"
                                  " \n"
@@ -781,7 +782,9 @@ int menu_hash_get_help_us_enum(enum msg_hash_enums msg, char *s, size_t len) {
                                  "libretro GL core implementations is \n"
                                  "dependent on your graphics card's \n"
                                  "underlying GL driver).");
-            } else if (string_is_equal(settings->video.driver, "sdl2")) {
+            }
+            else if (memcmp(settings->video.driver, "sdl2", 4) == 0)
+            {
                 snprintf(s, len,
                          "SDL 2 Video driver.\n"
                                  " \n"
@@ -791,7 +794,9 @@ int menu_hash_get_help_us_enum(enum msg_hash_enums msg, char *s, size_t len) {
                                  "Performance for software-rendered libretro \n"
                                  "core implementations is dependent \n"
                                  "on your platform SDL implementation.");
-            } else if (string_is_equal(settings->video.driver, "sdl1")) {
+            }
+            else if (memcmp(settings->video.driver, "sdl1", 4) == 0)
+            {
                 snprintf(s, len,
                          "SDL Video driver.\n"
                                  " \n"
@@ -800,14 +805,18 @@ int menu_hash_get_help_us_enum(enum msg_hash_enums msg, char *s, size_t len) {
                                  " \n"
                                  "Performance is considered to be suboptimal. \n"
                                  "Consider using it only as a last resort.");
-            } else if (string_is_equal(settings->video.driver, "d3d")) {
+            }
+            else if (memcmp(settings->video.driver, "d3d", 3) == 0)
+            {
                 snprintf(s, len,
                          "Direct3D Video driver. \n"
                                  " \n"
                                  "Performance for software-rendered cores \n"
                                  "is dependent on your graphic card's \n"
                                  "underlying D3D driver).");
-            } else if (string_is_equal(settings->video.driver, "exynos")) {
+            }
+            else if (memcmp(settings->video.driver, "exynos", 6) == 0)
+            {
                 snprintf(s, len,
                          "Exynos-G2D Video Driver. \n"
                                  " \n"
@@ -817,14 +826,18 @@ int menu_hash_get_help_us_enum(enum msg_hash_enums msg, char *s, size_t len) {
                                  " \n"
                                  "Performance for software rendered cores \n"
                                  "should be optimal.");
-            } else if (string_is_equal(settings->video.driver, "drm")) {
+            }
+            else if (memcmp(settings->video.driver, "drm", 3) == 0)
+            {
                 snprintf(s, len,
                          "Plain DRM Video Driver. \n"
                                  " \n"
                                  "This is a low-level video driver using. \n"
                                  "libdrm for hardware scaling using \n"
                                  "GPU overlays.");
-            } else if (string_is_equal(settings->video.driver, "sunxi")) {
+            }
+            else if (memcmp(settings->video.driver, "sunxi", 5) == 0)
+            {
                 snprintf(s, len,
                          "Sunxi-G2D Video Driver. \n"
                                  " \n"
@@ -1992,7 +2005,7 @@ const char *msg_hash_to_str_us(enum msg_hash_enums msg) {
 #ifdef HAVE_MENU
     const char *ret = menu_hash_to_str_us_label_enum(msg);
 
-    if (ret && !string_is_equal(ret, "null"))
+    if (ret && (memcmp(ret, "null", 4) != 0))
        return ret;
 #endif
 
diff --git a/libretro-common/file/config_file.c b/libretro-common/file/config_file.c
index 664bc74424..65fe3f96e2 100644
--- a/libretro-common/file/config_file.c
+++ b/libretro-common/file/config_file.c
@@ -745,13 +745,13 @@ bool config_get_bool(config_file_t *conf, const char *key, bool *in)
 
    if (entry)
    {
-      if (string_is_equal(entry->value, "true"))
+      if (memcmp(entry->value, "true", 4) == 0)
          *in = true;
-      else if (string_is_equal(entry->value, "1"))
+      else if (memcmp(entry->value, "1", 1) == 0)
          *in = true;
-      else if (string_is_equal(entry->value, "false"))
+      else if (memcmp(entry->value, "false", 5) == 0)
          *in = false;
-      else if (string_is_equal(entry->value, "0"))
+      else if (memcmp(entry->value, "0", 1) == 0)
          *in = false;
       else
          return false;
diff --git a/libretro-common/lists/dir_list.c b/libretro-common/lists/dir_list.c
index 9055130b9d..8aa3955064 100644
--- a/libretro-common/lists/dir_list.c
+++ b/libretro-common/lists/dir_list.c
@@ -124,7 +124,7 @@ static int parse_dir_entry(const char *name, char *file_path,
    if (!include_dirs && is_dir)
       return 1;
 
-   if (string_is_equal(name, ".") || string_is_equal(name, ".."))
+   if ((memcmp(name, ".", 1) == 0) || (memcmp(name, "..", 2) == 0))
       return 1;
 
    if (!is_dir && ext_list &&
diff --git a/libretro-common/streams/trans_stream_zlib.c b/libretro-common/streams/trans_stream_zlib.c
index 7825a7e688..23007d99d6 100644
--- a/libretro-common/streams/trans_stream_zlib.c
+++ b/libretro-common/streams/trans_stream_zlib.c
@@ -71,7 +71,7 @@ static void zlib_inflate_stream_free(void *data)
 static bool zlib_deflate_define(void *data, const char *prop, uint32_t val)
 {
    struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
-   if (string_is_equal(prop, "level"))
+   if (memcmp(prop, "level", 5) == 0)
    {
       z->ex = (int) val;
       return true;
@@ -82,7 +82,7 @@ static bool zlib_deflate_define(void *data, const char *prop, uint32_t val)
 static bool zlib_inflate_define(void *data, const char *prop, uint32_t val)
 {
    struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
-   if (string_is_equal(prop, "window_bits"))
+   if (memcmp(prop, "window_bits", 11) == 0)
    {
       z->ex = (int) val;
       return true;
diff --git a/menu/drivers/xmb.c b/menu/drivers/xmb.c
index 796fb62c48..4efcf22309 100644
--- a/menu/drivers/xmb.c
+++ b/menu/drivers/xmb.c
@@ -2422,7 +2422,7 @@ static void xmb_render(void *data)
 
 static bool xmb_shader_pipeline_active(video_frame_info_t *video_info)
 {
-   if (!string_is_equal(menu_driver_ident(), "xmb"))
+   if (memcmp(menu_driver_ident(), "xmb", 3) != 0)
       return false;
    if (video_info->menu_shader_pipeline == XMB_SHADER_PIPELINE_WALLPAPER)
       return false;
diff --git a/menu/menu_display.c b/menu/menu_display.c
index 37d91922a9..697bcffe07 100644
--- a/menu/menu_display.c
+++ b/menu/menu_display.c
@@ -123,35 +123,35 @@ static bool menu_display_check_compatibility(
       case MENU_VIDEO_DRIVER_GENERIC:
          return true;
       case MENU_VIDEO_DRIVER_OPENGL:
-         if (string_is_equal(video_driver, "gl"))
+         if (memcmp(video_driver, "gl", 2) == 0)
             return true;
          break;
       case MENU_VIDEO_DRIVER_VULKAN:
-         if (string_is_equal(video_driver, "vulkan"))
+         if (memcmp(video_driver, "vulkan", 6) == 0)
             return true;
          break;
       case MENU_VIDEO_DRIVER_DIRECT3D:
-         if (string_is_equal(video_driver, "d3d"))
+         if (memcmp(video_driver, "d3d", 3) == 0)
             return true;
          break;
       case MENU_VIDEO_DRIVER_VITA2D:
-         if (string_is_equal(video_driver, "vita2d"))
+         if (memcmp(video_driver, "vita2d", 6) == 0)
             return true;
          break;
       case MENU_VIDEO_DRIVER_CTR:
-         if (string_is_equal(video_driver, "ctr"))
+         if (memcmp(video_driver, "ctr", 3) == 0)
             return true;
          break;
       case MENU_VIDEO_DRIVER_CACA:
-         if (string_is_equal(video_driver, "caca"))
+         if (memcmp(video_driver, "caca", 4) == 0)
             return true;
          break;
       case MENU_VIDEO_DRIVER_GDI:
-         if (string_is_equal(video_driver, "gdi"))
+         if (memcmp(video_driver, "gdi", 3) == 0)
             return true;
          break;
       case MENU_VIDEO_DRIVER_VGA:
-         if (string_is_equal(video_driver, "vga"))
+         if (memcmp(video_driver, "vga", 3) == 0)
             return true;
          break;
    }
diff --git a/menu/menu_setting.c b/menu/menu_setting.c
index dfcf4a9a90..745b0b292e 100644
--- a/menu/menu_setting.c
+++ b/menu/menu_setting.c
@@ -2238,7 +2238,7 @@ static bool setting_append_list(
                   parent_group);
          }
 
-         if (!string_is_equal(settings->menu.driver, "xmb"))
+         if (memcmp(settings->menu.driver, "xmb", 3) != 0)
          {
             CONFIG_ACTION(
                   list, list_info,
@@ -2559,7 +2559,7 @@ static bool setting_append_list(
                parent_group);
          settings_data_list_current_add_flags(list, list_info, SD_FLAG_ADVANCED);
 
-         if (!string_is_equal(settings->wifi.driver, "null"))
+         if (memcmp(settings->wifi.driver, "null", 4) != 0)
          {
             CONFIG_ACTION(
                   list, list_info,
@@ -3227,7 +3227,7 @@ static bool setting_append_list(
             &setting_get_string_representation_st_float_video_refresh_rate_auto;
          settings_data_list_current_add_flags(list, list_info, SD_FLAG_LAKKA_ADVANCED);
 
-         if (string_is_equal(settings->video.driver, "gl"))
+         if (memcmp(settings->video.driver, "gl", 2) == 0)
          {
             CONFIG_BOOL(
                   list, list_info,
@@ -3562,7 +3562,7 @@ static bool setting_append_list(
          settings_data_list_current_add_flags(list, list_info, SD_FLAG_CMD_APPLY_AUTO);
          settings_data_list_current_add_flags(list, list_info, SD_FLAG_LAKKA_ADVANCED);
 
-         if (string_is_equal(settings->video.driver, "gl"))
+         if (memcmp(settings->video.driver, "gl", 2) == 0)
          {
             CONFIG_BOOL(
                   list, list_info,
@@ -4694,7 +4694,7 @@ static bool setting_append_list(
 
          START_SUB_GROUP(list, list_info, "State", &group_info, &subgroup_info, parent_group);
 
-         if (!string_is_equal(settings->menu.driver, "rgui"))
+         if (memcmp(settings->menu.driver, "rgui", 4) != 0)
          {
             CONFIG_PATH(
                   list, list_info,
@@ -4726,8 +4726,7 @@ static bool setting_append_list(
             settings_data_list_current_add_flags(list, list_info, SD_FLAG_LAKKA_ADVANCED);
          }
 
-
-         if (string_is_equal(settings->menu.driver, "xmb"))
+         if (memcmp(settings->menu.driver, "xmb", 3) == 0)
          {
             CONFIG_BOOL(
                   list, list_info,
@@ -4927,7 +4926,7 @@ static bool setting_append_list(
          START_SUB_GROUP(list, list_info, "Display", &group_info, &subgroup_info, parent_group);
 
          /* only GLUI uses these values, don't show them on other drivers */
-         if (string_is_equal(settings->menu.driver, "glui"))
+         if (memcmp(settings->menu.driver, "glui", 4) == 0)
          {
             CONFIG_BOOL(
                   list, list_info,
@@ -4960,7 +4959,7 @@ static bool setting_append_list(
 
 #ifdef HAVE_XMB
          /* only XMB uses these values, don't show them on other drivers */
-         if (string_is_equal(settings->menu.driver, "xmb"))
+         if (memcmp(settings->menu.driver, "xmb", 3) == 0)
          {
             CONFIG_UINT(
                   list, list_info,
@@ -5181,7 +5180,7 @@ static bool setting_append_list(
 
 #ifdef HAVE_MATERIALUI
          /* only MaterialUI uses these values, don't show them on other drivers */
-         if (string_is_equal(settings->menu.driver, "glui"))
+         if (memcmp(settings->menu.driver, "glui", 4) == 0)
          {
             CONFIG_UINT(
                   list, list_info,
@@ -5241,7 +5240,7 @@ static bool setting_append_list(
                general_read_handler,
                SD_FLAG_ADVANCED);
 
-         if (string_is_equal(settings->menu.driver, "xmb"))
+         if (memcmp(settings->menu.driver, "xmb", 3) == 0)
          {
             CONFIG_UINT(
                   list, list_info,
@@ -5341,7 +5340,7 @@ static bool setting_append_list(
 
          START_SUB_GROUP(list, list_info, "State", &group_info, &subgroup_info, parent_group);
 
-         if (!string_is_equal(settings->record.driver, "null"))
+         if (memcmp(settings->record.driver, "null", 4) != 0)
          {
             CONFIG_BOOL(
                   list, list_info,
@@ -5422,7 +5421,7 @@ static bool setting_append_list(
          menu_settings_list_current_add_cmd(list, list_info, CMD_EVENT_REINIT);
 #endif
 
-         if (!string_is_equal(ui_companion_driver_get_ident(), "null"))
+         if (memcmp(ui_companion_driver_get_ident(), "null", 4) != 0)
          {
             CONFIG_BOOL(
                   list, list_info,
diff --git a/setting_list.c b/setting_list.c
index ae6bc40ac5..4588f79592 100644
--- a/setting_list.c
+++ b/setting_list.c
@@ -383,9 +383,9 @@ int setting_set_with_string_representation(rarch_setting_t* setting,
          strlcpy(setting->value.target.string, value, setting->size);
          break;
       case ST_BOOL:
-         if (string_is_equal(value, "true"))
+         if (memcmp(value, "true", 4) == 0)
             *setting->value.target.boolean = true;
-         else if (string_is_equal(value, "false"))
+         else if (memcmp(value, "false", 5) == 0)
             *setting->value.target.boolean = false;
          break;
       default:
diff --git a/tasks/task_autodetect.c b/tasks/task_autodetect.c
index 275271ec8d..39b396d011 100644
--- a/tasks/task_autodetect.c
+++ b/tasks/task_autodetect.c
@@ -156,7 +156,7 @@ static void input_autoconfigure_joypad_add(config_file_t *conf,
    input_autoconfigure_joypad_conf(conf,
          settings->input.autoconf_binds[params->idx]);
 
-   if (string_is_equal(device_type, "remote"))
+   if (memcmp(device_type, "remote", 6) == 0)
    {
       snprintf(msg, sizeof(msg), "%s configured.",
             string_is_empty(display_name) ? params->name : display_name);
diff --git a/tasks/task_database.c b/tasks/task_database.c
index 70a841766d..5a1b59ffb0 100644
--- a/tasks/task_database.c
+++ b/tasks/task_database.c
@@ -131,13 +131,13 @@ static int iso_get_serial(database_state_handle_t *db_state,
    if (rv < 0)
       return rv;
 
-   if (string_is_equal(system_name, "psp"))
+   if (memcmp(system_name, "psp", 3) == 0)
    {
       if (detect_psp_game(name, serial) == 0)
          return 0;
       RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
    }
-   else if (string_is_equal(system_name, "ps1"))
+   else if (memcmp(system_name, "ps1", 3) == 0)
    {
       if (detect_ps1_game(name, serial) == 0)
          return 0;