sna: Use 64-bit mov (when available) for bitmap glyphs

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 4 insertions, 6 deletions

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 4b013c91..cb0ef1fe 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -7282,13 +7282,11 @@ sna_glyph_blt(DrawablePtr drawable, GCPtr gc,
 			b[0] = br00 | (1 + len);
 			b[1] = (uint16_t)y1 << 16 | (uint16_t)x1;
 			b[2] = (uint16_t)(y1+h) << 16 | (uint16_t)(x1+w);
-			{
-				uint32_t *glyph = (uint32_t*)c->bits;
-				b += 3;
+			 {
+				uint64_t *src = (uint64_t *)c->bits;
+				uint64_t *dst = (uint64_t *)(b + 3);
 				do  {
-					*b++ = *glyph++;
-					*b++ = *glyph++;
-
+					*dst++ = *src++;
 					len -= 2;
 				} while (len);
 			}