From 45d59d1c520f78fae0db12615e755b67c1acd5ce Mon Sep 17 00:00:00 2001 From: Robin Watts Date: Mon, 6 Jun 2016 13:07:16 +0100 Subject: Fix broken ARM implementation of scale_row_to_temp3. I had changed some code to *3 when creating the routine from the 4 bpp variant, but this particular multiplication should still have been *4, as it was looking up in an int table. --- source/fitz/draw-scale-simple.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'source') diff --git a/source/fitz/draw-scale-simple.c b/source/fitz/draw-scale-simple.c index 37a2fd7f..1525c7b5 100644 --- a/source/fitz/draw-scale-simple.c +++ b/source/fitz/draw-scale-simple.c @@ -726,8 +726,7 @@ scale_row_to_temp3(unsigned char * restrict dst, const unsigned char * restrict "ldr r4, [r2] @ r4 = index[0] \n" "cmp r12,#0 @ if (flip) \n" "beq 4f @ { \n" - "add r2, r2, r4, LSL #1 @ \n" - "add r2, r2, r4 @ r2 = &index[index[0]] \n" + "add r2, r2, r4, LSL #2 @ r2 = &index[index[0]] \n" "add r0, r0, r3, LSL #1 @ \n" "add r0, r0, r3 @ dst += 3*count \n" "1: \n" @@ -761,8 +760,7 @@ scale_row_to_temp3(unsigned char * restrict dst, const unsigned char * restrict "bgt 1b @ \n" "ldmfd r13!,{r4-r11,PC} @ pop, return to thumb \n" "4:" - "add r2, r2, r4, LSL #1 @ \n" - "add r2, r2, r4 @ r2 = &index[index[0]] \n" + "add r2, r2, r4, LSL #2 @ r2 = &index[index[0]] \n" "5:" "ldr r4, [r2], #4 @ r4 = *contrib++ \n" "ldr r9, [r2], #4 @ r9 = len = *contrib++ \n" -- cgit v1.2.3