diff options
| author | Samuel Pitoiset <[email protected]> | 2019-08-27 11:35:00 +0200 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2019-09-02 09:00:37 +0200 |
| commit | 966a455bb912cc9fd22580c6cf9b74e27faa4491 (patch) | |
| tree | c0fe2ad1cb26d345a9b266bbb58ee8e836cda92f /src/compiler | |
| parent | 6775a524004ba15ab281c1391fb24cbf621fe859 (diff) | |
nir: do not assume that the result of fexp2(a) is always an integral
It's only correct when 'a' is an integral greater or equal to 0.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111493
Fixes: 5544b2cbbd2 ("nir/algebraic: Use value range analysis to eliminate useless unary ops")
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_range_analysis.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_range_analysis.c b/src/compiler/nir/nir_range_analysis.c index a313087e056..6fec5fcd7ab 100644 --- a/src/compiler/nir/nir_range_analysis.c +++ b/src/compiler/nir/nir_range_analysis.c @@ -580,6 +580,7 @@ analyze_expression(const nir_alu_instr *instr, unsigned src, ASSERT_UNION_OF_DISJOINT_MATCHES_UNKNOWN_1_SOURCE(table); ASSERT_UNION_OF_EQ_AND_STRICT_INEQ_MATCHES_NONSTRICT_1_SOURCE(table); + r.is_integral = r.is_integral && is_not_negative(r.range); r.range = table[r.range]; break; } |