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| author | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-07-21 19:40:23 -0400 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-07-22 15:30:19 -0400 |
| commit | 273906404c1647ef9f43c27fc1efced3c7af96f4 (patch) | |
| tree | 1f19bfdacd528081b1f2c9debf82113cc29ff0c6 /celt/fixed_debug.h | |
| parent | ae3321849596094d204f9c3dbe485b5fde6e5782 (diff) | |
| download | libopus-273906404c1647ef9f43c27fc1efced3c7af96f4.tar.gz | |
silencing overflows in MDCT and FFT
Diffstat (limited to 'celt/fixed_debug.h')
| -rw-r--r-- | celt/fixed_debug.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/celt/fixed_debug.h b/celt/fixed_debug.h index d28227f5..f55dbf92 100644 --- a/celt/fixed_debug.h +++ b/celt/fixed_debug.h @@ -59,6 +59,12 @@ extern opus_int64 celt_mips; #define SHR(a,b) SHR32(a,b) #define PSHR(a,b) PSHR32(a,b) +/** Add two 32-bit values, ignore any overflows */ +#define ADD32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)+(opus_uint32)(b))) +/** Subtract two 32-bit values, ignore any overflows */ +#define SUB32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)-(opus_uint32)(b))) +#define NEG32_ovflw(a) (celt_mips+=2,(opus_val32)(-(opus_uint32)(a))) + static OPUS_INLINE short NEG16(int x) { int res; |