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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-02-14 01:13:00 +0100
committerRichard Henderson <richard.henderson@linaro.org>2020-02-18 11:21:47 -0800
commit0814343ce294b4dff780f6e8b6baa1acb1dc7ef8 (patch)
tree13020c770959ad26ada69b18b42724fe37e2442e /hw
parent6c69f9c48e29376f16965f6e8ea9e1d01f368950 (diff)
hw/display/artist: Delay some variables initialization
We want to have an early exit path. Delay some initializations before the variables are used. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Sven Schnelle <svens@stackframe.org> Message-Id: <20200214001303.12873-4-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/display/artist.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/hw/display/artist.c b/hw/display/artist.c
index 47f0e9f0bc..97c811b35e 100644
--- a/hw/display/artist.c
+++ b/hw/display/artist.c
@@ -558,7 +558,7 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2,
bool update_start, int skip_pix, int max_pix)
{
struct vram_buffer *buf;
- uint8_t color = artist_get_color(s);
+ uint8_t color;
int dx, dy, t, e, x, y, incy, diago, horiz;
bool c1;
uint8_t *p;
@@ -569,10 +569,6 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2,
s->vram_start = (x2 << 16) | y2;
}
- buf = &s->vram_buffer[ARTIST_BUFFER_AP];
-
- c1 = false;
-
if (x2 > x1) {
dx = x2 - x1;
} else {
@@ -583,6 +579,8 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2,
} else {
dy = y1 - y2;
}
+
+ c1 = false;
if (dy > dx) {
t = y2;
y2 = x2;
@@ -620,6 +618,8 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2,
}
x = x1;
y = y1;
+ color = artist_get_color(s);
+ buf = &s->vram_buffer[ARTIST_BUFFER_AP];
do {
if (c1) {