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-rw-r--r--apps/recorder/jpeg_idct_arm.S230
1 files changed, 215 insertions, 15 deletions
diff --git a/apps/recorder/jpeg_idct_arm.S b/apps/recorder/jpeg_idct_arm.S
index 46ac479caa..75e3e4d2b3 100644
--- a/apps/recorder/jpeg_idct_arm.S
+++ b/apps/recorder/jpeg_idct_arm.S
@@ -429,6 +429,7 @@ jpeg_idct4h:
#endif
.size jpeg_idct4h, .-jpeg_idct4h
+#if ARM_ARCH < 6
jpeg_idct8v:
stmdb sp!, { r4-r11, lr }
add r2, r0, #128
@@ -641,13 +642,9 @@ jpeg_idct8h:
orrs r9, r6, r7
orreqs r9, r5, r4, lsr #16
bne 2f
-#if ARM_ARCH < 6
mov r8, r8, asr #21
cmp r8, #255
mvnhi r8, r8, asr #31
-#else
- usat r8, #8, r8, asr #21
-#endif
#ifdef HAVE_LCD_COLOR
strb r8, [r1]
strb r8, [r1, #4]
@@ -848,7 +845,6 @@ jpeg_idct8h:
add r10, r11, r4 /* o0 */
sub r11, r11, r4 /* o7 */
/* output in order: r10 r12 r8 r6 r7 r9 r14 r11 */
-#if ARM_ARCH < 6
mov r10, r10, asr #18
cmp r10, #255
mvnhi r10, r10, asr #31
@@ -873,16 +869,6 @@ jpeg_idct8h:
mov r11, r11, asr #18
cmp r11, #255
mvnhi r11, r11, asr #31
-#else
- usat r10, #8, r10, asr #18
- usat r12, #8, r12, asr #18
- usat r8, #8, r8, asr #18
- usat r6, #8, r6, asr #18
- usat r7, #8, r7, asr #18
- usat r9, #8, r9, asr #18
- usat r14, #8, r14, asr #18
- usat r11, #8, r11, asr #18
-#endif
#ifdef HAVE_LCD_COLOR
strb r10, [r1]
strb r12, [r1, #4]
@@ -908,3 +894,217 @@ jpeg_idct8h:
bcc 1b
ldmia sp!, { r4-r11, pc }
.size jpeg_idct8h, .-jpeg_idct8h
+#else
+jpeg_idct8v:
+ stmdb sp!, { r4-r11, lr }
+ add r2, r0, #128
+1:
+ ldmia r0!, { r4-r7 }
+ orrs r9, r6, r7
+ orreqs r9, r5, r4, lsr #16
+ bne 2f
+ mov r4, r4, lsl #2
+ strh r4, [r2]
+ strh r4, [r2, #16]
+ strh r4, [r2, #32]
+ strh r4, [r2, #48]
+ strh r4, [r2, #64]
+ strh r4, [r2, #80]
+ strh r4, [r2, #96]
+ strh r4, [r2, #112]
+ cmp r0, r1
+ add r2, r2, #2
+ bcc 1b
+ ldmia sp!, { r4-r11, pc }
+2:
+ ldrd r8, .Lpool8
+ mov r12, r4, lsl #16
+ add r10, r5, r7 /* r10 = d2 + d6 */
+ add r12, r12, #8192
+ add r3, r12, r6, lsl #16 /* tmp0 */
+ sub r12, r12, r6, lsl #16 /* tmp1 */
+ pkhtb r4, r5, r4, asr #16 /* r4 = (tmp3[o], tmp2[0]) = (d1, d3) */
+ smulbb r14, r8, r10 /* r14 = z1[e] = (d2 + d6) * 4433 */
+ pkhtb r6, r6, r7, asr #16 /* r6 = (tmp0[o], tmp1[o]) = (d7, d5) */
+ smlatb r7, r8, r7, r14 /* r7 = tmp2[e] = z1 - d6 * 15137 */
+ smlabb r5, r9, r5, r14 /* r5 = tmp3[e] = z1 + d2 * 6270 */
+ pkhtb r9, r9, r9, asr #16 /* r9 = (9633, 9633) */
+ add r10, r5, r3, asr #3 /* r10 = tmp10 */
+ rsb r11, r5, r3, asr #3 /* r11 = tmp13 */
+ mov r3, r4, ror #16
+ rsb r14, r7, r12, asr #3 /* r14 = tmp12 */
+ add r12, r7, r12, asr #3 /* r12 = tmp11 */
+ sadd16 r8, r3, r6 /* z3, z4 */
+ stmdb sp, { r10-r12, r14 } /* tmp10 tmp13 tmp11 tmp12 */
+ smuad r5, r9, r8 /* r5 = z5 = (z3[o] + z4[o]) * 9633 */
+ ldrd r10, .Lpool8+8
+ sadd16 r7, r4, r6 /* r7 = (z1, z2) */
+ smlatt r9, r10, r8, r5 /* r9 = z4 = z5 - z4 * 16069 */
+ smlabb r8, r10, r8, r5 /* r8 = z3 = z5 - z3 * 3196 */
+ smlabb r14, r11, r7, r9 /* r14 = z1 + z4 */
+ smlabb r12, r11, r7, r8 /* r12 = z1 + z3 */
+ smlatt r5, r11, r7, r9 /* r5 = z2 + z4 */
+ smlatt r7, r11, r7, r8 /* r7 = z2 + z3 */
+ ldrd r8, .Lpool8+16
+ smlabt r7, r9, r4, r7 /* r7 = tmp2 */
+ smlatb r14, r9, r4, r14 /* r14 = tmp3 */
+ ldmdb sp, { r4, r9-r11 } /* tmp10 tmp13 tmp11 tmp12 */
+ smlabb r12, r8, r6, r12 /* r12 = tmp0 */
+ smlatt r5, r8, r6, r5 /* r5 = tmp1 */
+ /* used: r4, r5, r7, r9-r12, r14 */
+ add r6, r4, r14 /* o0 */
+ sub r8, r4, r14 /* o7 */
+ add r14, r9, r12 /* o3 */
+ sub r12, r9, r12 /* o4 */
+ add r4, r10, r7 /* o1 */
+ sub r7, r10, r7 /* o6 */
+ add r9, r11, r5 /* o2 */
+ sub r10, r11, r5 /* o5 */
+ mov r6, r6, asr #11
+ mov r4, r4, asr #11
+ mov r9, r9, asr #11
+ mov r14, r14, asr #11
+ mov r12, r12, asr #11
+ mov r10, r10, asr #11
+ mov r7, r7, asr #11
+ mov r8, r8, asr #11
+ strh r6, [r2]
+ strh r4, [r2, #16]
+ strh r9, [r2, #32]
+ strh r14, [r2, #48]
+ strh r12, [r2, #64]
+ strh r10, [r2, #80]
+ strh r7, [r2, #96]
+ strh r8, [r2, #112]
+ cmp r0, r1
+ add r2, r2, #2
+ bcc 1b
+ ldmia sp!, { r4-r11, pc }
+ .size jpeg_idct8v, .-jpeg_idct8v
+
+ .align 4
+.Lpool8:
+ .short 4433
+ .short -15137
+ .short 6270
+ .short 9633
+ .short -16069
+ .short -3196
+ .short -7373
+ .short -20995
+ .short 2446
+ .short 16819
+ .short 25172
+ .short 12299
+
+ .align 2
+jpeg_idct8h:
+ stmdb sp!, { r4-r11, lr }
+1:
+ ldr r14, =4112
+ ldmia r0!, { r4-r7 }
+ sadd16 r4, r4, r14
+ orrs r9, r6, r7
+ orreqs r9, r5, r4, lsr #16
+ bne 2f
+ sxth r4, r4
+ usat r4, #8, r4, asr #5
+#ifdef HAVE_LCD_COLOR
+ strb r4, [r1]
+ strb r4, [r1, #4]
+ strb r4, [r1, #8]
+ strb r4, [r1, #12]
+ strb r4, [r1, #16]
+ strb r4, [r1, #20]
+ strb r4, [r1, #24]
+ strb r4, [r1, #28]
+#else
+ strb r4, [r1]
+ strb r4, [r1, #1]
+ strb r4, [r1, #2]
+ strb r4, [r1, #3]
+ strb r4, [r1, #4]
+ strb r4, [r1, #5]
+ strb r4, [r1, #6]
+ strb r4, [r1, #7]
+#endif
+ add r1, r1, r3
+ cmp r0, r2
+ bcc 1b
+ ldmia sp!, { r4-r11, pc }
+2:
+ ldrd r8, .Lpool8
+ sadd16 r10, r5, r7 /* r10 = (d2 + d6, d3 + d7) */
+ ssub16 r12, r4, r6 /* r12 = (d0 - d4, d1 - d5) */
+ sadd16 r11, r4, r6 /* r11 = (d0 + d4, d1 + d5) */
+ pkhtb r4, r5, r4, asr #16 /* r4 = (tmp3[o], tmp2[0]) = (d1, d3) */
+ smulbb r14, r8, r10 /* r14 = z1[e] = (d2 + d6) * 4433 */
+ pkhtb r6, r6, r7, asr #16 /* r6 = (tmp0[o], tmp1[o]) = (d7, d5) */
+ smlatb r7, r8, r7, r14 /* r7 = tmp2[e] = z1 - d6 * 15137 */
+ smlabb r5, r9, r5, r14 /* r5 = tmp3[e] = z1 + d2 * 6270 */
+ sxth r12, r12 /* r12 = tmp1[e] = d0 - d4 */
+ pkhtb r8, r11, r10, asr #16 /* r8 = (z3[o], z4[o]) */
+ sxth r14, r11 /* r14 = tmp0[e] */
+ pkhtb r9, r9, r9, asr #16 /* r9 = (9633, 9633) */
+ add r10, r5, r14, lsl #13 /* r10 = tmp10 */
+ rsb r11, r5, r14, lsl #13 /* r11 = tmp13 */
+ rsb r14, r7, r12, lsl #13 /* r14 = tmp12 */
+ add r12, r7, r12, lsl #13 /* r12 = tmp11 */
+ stmdb sp, { r10-r12, r14 } /* tmp10 tmp13 tmp11 tmp12 */
+ smuad r5, r9, r8 /* r5 = z5 = (z3[o] + z4[o]) * 9633 */
+ ldrd r10, .Lpool8+8
+ sadd16 r7, r4, r6 /* r7 = (z1, z2) */
+ smlatt r9, r10, r8, r5 /* r9 = z4 = z5 - z4 * 16069 */
+ smlabb r8, r10, r8, r5 /* r8 = z3 = z5 - z3 * 3196 */
+ smlabb r14, r11, r7, r9 /* r14 = z1 + z4 */
+ smlabb r12, r11, r7, r8 /* r12 = z1 + z3 */
+ smlatt r5, r11, r7, r9 /* r5 = z2 + z4 */
+ smlatt r7, r11, r7, r8 /* r7 = z2 + z3 */
+ ldrd r8, .Lpool8+16
+ smlabt r7, r9, r4, r7 /* r7 = tmp2 */
+ smlatb r14, r9, r4, r14 /* r14 = tmp3 */
+ ldmdb sp, { r4, r9-r11 } /* tmp10 tmp13 tmp11 tmp12 */
+ smlabb r12, r8, r6, r12 /* r12 = tmp0 */
+ smlatt r5, r8, r6, r5 /* r5 = tmp1 */
+ /* used: r4, r5, r7, r9-r12, r14 */
+ add r6, r4, r14 /* o0 */
+ sub r8, r4, r14 /* o7 */
+ add r14, r9, r12 /* o3 */
+ sub r12, r9, r12 /* o4 */
+ add r4, r10, r7 /* o1 */
+ sub r7, r10, r7 /* o6 */
+ add r9, r11, r5 /* o2 */
+ sub r10, r11, r5 /* o5 */
+ usat r6, #8, r6, asr #18
+ usat r4, #8, r4, asr #18
+ usat r9, #8, r9, asr #18
+ usat r14, #8, r14, asr #18
+ usat r12, #8, r12, asr #18
+ usat r10, #8, r10, asr #18
+ usat r7, #8, r7, asr #18
+ usat r8, #8, r8, asr #18
+#ifdef HAVE_LCD_COLOR
+ strb r6, [r1]
+ strb r4, [r1, #4]
+ strb r9, [r1, #8]
+ strb r14, [r1, #12]
+ strb r12, [r1, #16]
+ strb r10, [r1, #20]
+ strb r7, [r1, #24]
+ strb r8, [r1, #28]
+#else
+ strb r6, [r1]
+ strb r4, [r1, #1]
+ strb r9, [r1, #2]
+ strb r14, [r1, #3]
+ strb r12, [r1, #4]
+ strb r10, [r1, #5]
+ strb r7, [r1, #6]
+ strb r8, [r1, #7]
+#endif
+ cmp r0, r2
+ add r1, r1, r3
+ bcc 1b
+ ldmia sp!, { r4-r11, pc }
+ .size jpeg_idct8h, .-jpeg_idct8h
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 07:31:59 +0000