diff --git a/common/jpeg/simd/jsimd.h b/common/jpeg/simd/jsimd.h
index 09ec46d..be48b84 100644
--- a/common/jpeg/simd/jsimd.h
+++ b/common/jpeg/simd/jsimd.h
@@ -11,13 +11,108 @@
 /* Bitmask for supported acceleration methods */
 
 #define JSIMD_NONE    0x00
+#define JSIMD_MMX     0x01
 
 /* Short forms of external names for systems with brain-damaged linkers. */
 
 #ifdef NEED_SHORT_EXTERNAL_NAMES
-#define jpeg_simd_cpu_support	jSiCpuSupport
+#define jpeg_simd_cpu_support                 jSiCpuSupport
+#define jsimd_rgb_ycc_convert_mmx             jSRGBYCCM
+#define jsimd_ycc_rgb_convert_mmx             jSYCCRGBM
+#define jsimd_h2v2_downsample_mmx             jSDnH2V2M
+#define jsimd_h2v1_downsample_mmx             jSDnH2V1M
+#define jsimd_h2v2_upsample_mmx               jSUpH2V2M
+#define jsimd_h2v1_upsample_mmx               jSUpH2V1M
+#define jsimd_h2v2_fancy_upsample_mmx         jSFUpH2V2M
+#define jsimd_h2v1_fancy_upsample_mmx         jSFUpH2V1M
+#define jsimd_h2v2_merged_upsample_mmx        jSMUpH2V2M
+#define jsimd_h2v1_merged_upsample_mmx        jSMUpH2V1M
+#define jsimd_convsamp_mmx                    jSConvM
+#define jsimd_fdct_islow_mmx                  jSFDMIS
+#define jsimd_fdct_ifast_mmx                  jSFDMIF
+#define jsimd_quantize_mmx                    jSQuantM
+#define jsimd_idct_2x2_mmx                    jSIDM22
+#define jsimd_idct_4x4_mmx                    jSIDM44
+#define jsimd_idct_islow_mmx                  jSIDMIS
+#define jsimd_idct_ifast_mmx                  jSIDMIF
 #endif /* NEED_SHORT_EXTERNAL_NAMES */
 
 /* SIMD Ext: retrieve SIMD/CPU information */
 EXTERN(unsigned int) jpeg_simd_cpu_support JPP((void));
 
+/* SIMD Color Space Conversion */
+EXTERN(void) jsimd_rgb_ycc_convert_mmx
+        JPP((JDIMENSION img_width,
+             JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+             JDIMENSION output_row, int num_rows));
+EXTERN(void) jsimd_ycc_rgb_convert_mmx
+        JPP((JDIMENSION out_width,
+             JSAMPIMAGE input_buf, JDIMENSION input_row,
+             JSAMPARRAY output_buf, int num_rows));
+
+/* SIMD Downsample */
+EXTERN(void) jsimd_h2v2_downsample_mmx
+        JPP((JDIMENSION image_width, int max_v_samp_factor,
+             JDIMENSION v_samp_factor, JDIMENSION width_blocks,
+             JSAMPARRAY input_data, JSAMPARRAY output_data));
+EXTERN(void) jsimd_h2v1_downsample_mmx
+        JPP((JDIMENSION image_width, int max_v_samp_factor,
+             JDIMENSION v_samp_factor, JDIMENSION width_blocks,
+             JSAMPARRAY input_data, JSAMPARRAY output_data));
+
+/* SIMD Upsample */
+EXTERN(void) jsimd_h2v2_upsample_mmx
+        JPP((int max_v_samp_factor, JDIMENSION output_width,
+             JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
+EXTERN(void) jsimd_h2v1_upsample_mmx
+        JPP((int max_v_samp_factor, JDIMENSION output_width,
+             JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
+
+EXTERN(void) jsimd_h2v2_fancy_upsample_mmx
+        JPP((int max_v_samp_factor, JDIMENSION downsampled_width,
+             JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
+EXTERN(void) jsimd_h2v1_fancy_upsample_mmx
+        JPP((int max_v_samp_factor, JDIMENSION downsampled_width,
+             JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
+
+EXTERN(void) jsimd_h2v2_merged_upsample_mmx
+        JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+             JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
+EXTERN(void) jsimd_h2v1_merged_upsample_mmx
+        JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+             JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
+
+/* SIMD Sample Conversion */
+EXTERN(void) jsimd_convsamp_mmx JPP((JSAMPARRAY sample_data,
+                                     JDIMENSION start_col,
+                                     DCTELEM * workspace));
+
+/* SIMD Forward DCT */
+EXTERN(void) jsimd_fdct_islow_mmx JPP((DCTELEM * data));
+EXTERN(void) jsimd_fdct_ifast_mmx JPP((DCTELEM * data));
+
+/* SIMD Quantization */
+EXTERN(void) jsimd_quantize_mmx JPP((JCOEFPTR coef_block,
+                                     DCTELEM * divisors,
+                                     DCTELEM * workspace));
+
+/* SIMD Reduced Inverse DCT */
+EXTERN(void) jsimd_idct_2x2_mmx JPP((void * dct_table,
+                                     JCOEFPTR coef_block,
+                                     JSAMPARRAY output_buf,
+                                     JDIMENSION output_col));
+EXTERN(void) jsimd_idct_4x4_mmx JPP((void * dct_table,
+                                     JCOEFPTR coef_block,
+                                     JSAMPARRAY output_buf,
+                                     JDIMENSION output_col));
+
+/* SIMD Inverse DCT */
+EXTERN(void) jsimd_idct_islow_mmx JPP((void * dct_table,
+                                       JCOEFPTR coef_block,
+                                       JSAMPARRAY output_buf,
+                                       JDIMENSION output_col));
+EXTERN(void) jsimd_idct_ifast_mmx JPP((void * dct_table,
+                                       JCOEFPTR coef_block,
+                                       JSAMPARRAY output_buf,
+                                       JDIMENSION output_col));
+