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| author | Richard Stallman <rms@gnu.org> | 1992-11-26 17:06:44 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-11-26 17:06:44 +0000 |
| commit | d038420ea8bfbe2c4b7253d718ef00791cb5e78b (patch) | |
| tree | d0fc56eb794334d1e96e9553a4b84df6d8a16715 /gcc | |
| parent | 3b2f07926a2c2a98bd0e6d281a8d75dcc2087c17 (diff) | |
| download | gcc-d038420ea8bfbe2c4b7253d718ef00791cb5e78b.zip gcc-d038420ea8bfbe2c4b7253d718ef00791cb5e78b.tar.gz gcc-d038420ea8bfbe2c4b7253d718ef00791cb5e78b.tar.bz2 | |
(num_sign_bit_copies): Fix 1-off error in PLUS case.
From-SVN: r2807
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/combine.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 1021391..fc856b5 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6355,7 +6355,7 @@ num_sign_bit_copies (x, mode) sig = significant_bits (XEXP (x, 0), mode); if ((((HOST_WIDE_INT) 1 << (bitwidth - 1)) & sig) == 0) return (sig == 1 || sig == 0 ? bitwidth - : bitwidth - floor_log2 (sig)); + : bitwidth - floor_log2 (sig) - 1); } num0 = num_sign_bit_copies (XEXP (x, 0), mode); |