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lib/libgcc.c: Fix shift warnings 

```
  if (!(a & (0xffff << 16))) {
                    ^~
src/lib/libgcc.c:40:18: error: result of '255 << 24' requires 33 bits to represent, but 'int' only has 32 bits [-Werror=shift-overflow=]
  if (!(a & (0xff << 24))) {
                  ^~
src/lib/libgcc.c:45:17: error: result of '15 << 28' requires 33 bits to represent, but 'int' only has 32 bits [-Werror=shift-overflow=]
  if (!(a & (0xf << 28))) {
                 ^~
```

Change-Id: I7bdd75c20a76b303743d7e7e0d3a6503760284fd
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/c/23361
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
This commit is contained in:
Paul Menzel 2018-01-23 00:13:57 +01:00 committed by Patrick Georgi
parent d266710d2c
commit 60132a43a6
1 changed files with 3 additions and 3 deletions
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6
src/lib/libgcc.c
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@ -32,17 +32,17 @@ int __clzsi2(u32 a)
};
int r = 0;
if (!(a & (0xffff << 16))) {
if (!(a & (0xffffU << 16))) {
r += 16;
a <<= 16;
}
if (!(a & (0xff << 24))) {
if (!(a & (0xffU << 24))) {
r += 8;
a <<= 8;
}
if (!(a & (0xf << 28))) {
if (!(a & (0xfU << 28))) {
r += 4;
a <<= 4;
}