• file
• revisions
• annotate
• diff
• comparison
• raw

gfx/skia/patches/0026-Bug-901208-Fix-ARM-v4t.patch@6474c204b198 (annotated)

gfx/skia/patches/0026-Bug-901208-Fix-ARM-v4t.patch

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	diff --git a/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp b/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp
michael@0	2	--- a/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp
michael@0	3	+++ b/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp
michael@0	4	@@ -26,66 +26,78 @@ static void S32A_D565_Opaque(uint16_t* S
michael@0	5	asm volatile (
michael@0	6	"1: \n\t"
michael@0	7	"ldr r3, [%[src]], #4 \n\t"
michael@0	8	"cmp r3, #0xff000000 \n\t"
michael@0	9	"blo 2f \n\t"
michael@0	10	"and r4, r3, #0x0000f8 \n\t"
michael@0	11	"and r5, r3, #0x00fc00 \n\t"
michael@0	12	"and r6, r3, #0xf80000 \n\t"
michael@0	13	+#ifdef SK_ARM_HAS_EDSP
michael@0	14	"pld [r1, #32] \n\t"
michael@0	15	+#endif
michael@0	16	"lsl r3, r4, #8 \n\t"
michael@0	17	"orr r3, r3, r5, lsr #5 \n\t"
michael@0	18	"orr r3, r3, r6, lsr #19 \n\t"
michael@0	19	"subs %[count], %[count], #1 \n\t"
michael@0	20	"strh r3, [%[dst]], #2 \n\t"
michael@0	21	"bne 1b \n\t"
michael@0	22	"b 4f \n\t"
michael@0	23	"2: \n\t"
michael@0	24	"lsrs r7, r3, #24 \n\t"
michael@0	25	"beq 3f \n\t"
michael@0	26	"ldrh r4, [%[dst]] \n\t"
michael@0	27	"rsb r7, r7, #255 \n\t"
michael@0	28	"and r6, r4, #0x001f \n\t"
michael@0	29	-#if SK_ARM_ARCH == 6
michael@0	30	+#if SK_ARM_ARCH <= 6
michael@0	31	"lsl r5, r4, #21 \n\t"
michael@0	32	"lsr r5, r5, #26 \n\t"
michael@0	33	#else
michael@0	34	"ubfx r5, r4, #5, #6 \n\t"
michael@0	35	#endif
michael@0	36	+#ifdef SK_ARM_HAS_EDSP
michael@0	37	"pld [r0, #16] \n\t"
michael@0	38	+#endif
michael@0	39	"lsr r4, r4, #11 \n\t"
michael@0	40	#ifdef SK_ARM_HAS_EDSP
michael@0	41	"smulbb r6, r6, r7 \n\t"
michael@0	42	"smulbb r5, r5, r7 \n\t"
michael@0	43	"smulbb r4, r4, r7 \n\t"
michael@0	44	#else
michael@0	45	"mul r6, r6, r7 \n\t"
michael@0	46	"mul r5, r5, r7 \n\t"
michael@0	47	"mul r4, r4, r7 \n\t"
michael@0	48	#endif
michael@0	49	+#if SK_ARM_ARCH >= 6
michael@0	50	"uxtb r7, r3, ROR #16 \n\t"
michael@0	51	"uxtb ip, r3, ROR #8 \n\t"
michael@0	52	+#else
michael@0	53	+ "mov ip, #0xff \n\t"
michael@0	54	+ "and r7, ip, r3, ROR #16 \n\t"
michael@0	55	+ "and ip, ip, r3, ROR #8 \n\t"
michael@0	56	+#endif
michael@0	57	"and r3, r3, #0xff \n\t"
michael@0	58	"add r6, r6, #16 \n\t"
michael@0	59	"add r5, r5, #32 \n\t"
michael@0	60	"add r4, r4, #16 \n\t"
michael@0	61	"add r6, r6, r6, lsr #5 \n\t"
michael@0	62	"add r5, r5, r5, lsr #6 \n\t"
michael@0	63	"add r4, r4, r4, lsr #5 \n\t"
michael@0	64	"add r6, r7, r6, lsr #5 \n\t"
michael@0	65	"add r5, ip, r5, lsr #6 \n\t"
michael@0	66	"add r4, r3, r4, lsr #5 \n\t"
michael@0	67	"lsr r6, r6, #3 \n\t"
michael@0	68	"and r5, r5, #0xfc \n\t"
michael@0	69	"and r4, r4, #0xf8 \n\t"
michael@0	70	"orr r6, r6, r5, lsl #3 \n\t"
michael@0	71	"orr r4, r6, r4, lsl #8 \n\t"
michael@0	72	"strh r4, [%[dst]], #2 \n\t"
michael@0	73	+#ifdef SK_ARM_HAS_EDSP
michael@0	74	"pld [r1, #32] \n\t"
michael@0	75	+#endif
michael@0	76	"subs %[count], %[count], #1 \n\t"
michael@0	77	"bne 1b \n\t"
michael@0	78	"b 4f \n\t"
michael@0	79	"3: \n\t"
michael@0	80	"subs %[count], %[count], #1 \n\t"
michael@0	81	"add %[dst], %[dst], #2 \n\t"
michael@0	82	"bne 1b \n\t"
michael@0	83	"4: \n\t"