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| author | Joe Ramsay <Joe.Ramsay@arm.com> | 2023-01-05 11:56:20 +0000 |
|---|---|---|
| committer | Joe Ramsay <joe.ramsay@arm.com> | 2023-01-05 11:56:20 +0000 |
| commit | 0f87f607b976820ef41fe64d004fe67dc7af8236 (patch) | |
| tree | 6b81e559865db95745edc4d7f421aa242fa03d96 | |
| parent | 49d283240e503a412ae85cd5b60f323797f7b897 (diff) | |
| download | arm-optimized-routines-0f87f607b976820ef41fe64d004fe67dc7af8236.tar.gz | |
Rewrite two abs masks as literals
These were technically undefined behaviour - they have been rewritten
without the shift so that their type is unsigned int by default.
| -rw-r--r-- | math/logf.c | 2 | ||||
| -rw-r--r-- | pl/math/log10f.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/math/logf.c b/math/logf.c index ea378d6..a1cd2d7 100644 --- a/math/logf.c +++ b/math/logf.c @@ -57,7 +57,7 @@ logf (float x) tmp = ix - OFF; i = (tmp >> (23 - LOGF_TABLE_BITS)) % N; k = (int32_t) tmp >> 23; /* arithmetic shift */ - iz = ix - (tmp & 0x1ff << 23); + iz = ix - (tmp & 0xff800000); invc = T[i].invc; logc = T[i].logc; z = (double_t) asfloat (iz); diff --git a/pl/math/log10f.c b/pl/math/log10f.c index 32de42f..5813982 100644 --- a/pl/math/log10f.c +++ b/pl/math/log10f.c @@ -67,7 +67,7 @@ log10f (float x) tmp = ix - OFF; i = (tmp >> (23 - LOGF_TABLE_BITS)) % N; k = (int32_t) tmp >> 23; /* arithmetic shift. */ - iz = ix - (tmp & 0x1ff << 23); + iz = ix - (tmp & 0xff800000); invc = T[i].invc; logc = T[i].logc; z = (double_t) asfloat (iz); |