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draw: silence warning in a tricky loop/switch statement.

This commit is contained in:
Cedric BAIL 2017-06-05 12:00:13 -07:00
parent 7caa81ed9d
commit 3fadc0d5af
1 changed files with 10 additions and 0 deletions
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10
src/static_libs/draw/draw.h
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@ -98,16 +98,26 @@ draw_memset32(uint32_t *dest, uint32_t value, int length)
if (length <= 0)
return;
// Cute hack to align future memcopy operation
// and do unroll the loop a bit. Not sure it is
// the most efficient, but will do for now.
n = (length + 7) / 8;
switch (length & 0x07)
{
case 0: do { *dest++ = value;
EINA_FALLTHROUGH;
case 7: *dest++ = value;
EINA_FALLTHROUGH;
case 6: *dest++ = value;
EINA_FALLTHROUGH;
case 5: *dest++ = value;
EINA_FALLTHROUGH;
case 4: *dest++ = value;
EINA_FALLTHROUGH;
case 3: *dest++ = value;
EINA_FALLTHROUGH;
case 2: *dest++ = value;
EINA_FALLTHROUGH;
case 1: *dest++ = value;
} while (--n > 0);
}