raster pushed a commit to branch master.
commit 3a5df752e6ca577c7966dcabf46c6eb09202cd97
Author: Yury Usischev <[email protected]>
Date: Tue Jul 23 21:15:19 2013 +0900
evas - fix long standing c "fallback" code "simd" (2 register) multiply
---
ChangeLog | 4 ++++
NEWS | 1 +
src/lib/evas/include/evas_blend_ops.h | 2 +-
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index f4f56c4..46cc143 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,10 @@
* Evas: fix infinite loop if app use ecore evas image
+2013-07-23 Yury Usischev
+
+ * Fix a long-standing off-by-1 in the C MUL4_SYM "simd" multiplier.
+
2013-07-22 José Roberto de Souza
* Edje: Refactor signal callbacks flags
diff --git a/NEWS b/NEWS
index 74f6927..0149286 100644
--- a/NEWS
+++ b/NEWS
@@ -317,6 +317,7 @@ Fixes:
- Fix jpeg loader cannot deal with exif information correctly.
- Fix issue when parsing formats with quotes.
- Fix infinite loop if app use ecore evas image
+ - Fix a long-standing off-by-1 in the C "simd" multiplier.
* Ecore:
- Don't leak fd on exec.
- Fix fd handler increase issue when ecore_pipe_add/del is called
repeatedly.
diff --git a/src/lib/evas/include/evas_blend_ops.h
b/src/lib/evas/include/evas_blend_ops.h
index 828b285..0a78843 100644
--- a/src/lib/evas/include/evas_blend_ops.h
+++ b/src/lib/evas/include/evas_blend_ops.h
@@ -106,7 +106,7 @@ extern const DATA32 ALPHA_256;
#define MUL4_SYM(x, y) \
( ((((((x) >> 16) & 0xff00) * (((y) >> 16) & 0xff00)) + 0xff0000) &
0xff000000) + \
((((((x) >> 8) & 0xff00) * (((y) >> 16) & 0xff)) + 0xff00) & 0xff0000) + \
- ((((((x) & 0xff00) * ((y) & 0xff00)) + 0xff00) >> 16) & 0xff00) + \
+ ((((((x) & 0xff00) * ((y) & 0xff00)) + 0xff0000) >> 16) & 0xff00) + \
(((((x) & 0xff) * ((y) & 0xff)) + 0xff) >> 8) )
#define MUL3_SYM(x, y) \
--
------------------------------------------------------------------------------
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