glsl: fixup u64-warning

Similarly to the unsigned-version, we need to first cast the result to a
suiting integer before negating the number, otherwise we'll trigger a
warning.

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/compiler/glsl/ir_expression_operation.py b/src/compiler/glsl/ir_expression_operation.py
index 306fc35f60502080d5028c48c60d10d63af5e40d..c80314a10dde58e4697440c300c3ed4baa966047 100644 (file)
--- a/src/compiler/glsl/ir_expression_operation.py
+++ b/src/compiler/glsl/ir_expression_operation.py
@@ -417,7 +417,7 @@ class operation(object):
 ir_expression_operation = [
    operation("bit_not", 1, printable_name="~", source_types=integer_types, c_expression="~ {src0}"),
    operation("logic_not", 1, printable_name="!", source_types=(bool_type,), c_expression="!{src0}"),
-   operation("neg", 1, source_types=numeric_types, c_expression={'u': "-((int) {src0})", 'default': "-{src0}"}),
+   operation("neg", 1, source_types=numeric_types, c_expression={'u': "-((int) {src0})", 'u64': "-((int64_t) {src0})", 'default': "-{src0}"}),
    operation("abs", 1, source_types=signed_numeric_types, c_expression={'i': "{src0} < 0 ? -{src0} : {src0}", 'f': "fabsf({src0})", 'd': "fabs({src0})", 'i64': "{src0} < 0 ? -{src0} : {src0}"}),
    operation("sign", 1, source_types=signed_numeric_types, c_expression={'i': "({src0} > 0) - ({src0} < 0)", 'f': "float(({src0} > 0.0F) - ({src0} < 0.0F))", 'd': "double(({src0} > 0.0) - ({src0} < 0.0))", 'i64': "({src0} > 0) - ({src0} < 0)"}),
    operation("rcp", 1, source_types=real_types, c_expression={'f': "1.0F / {src0}", 'd': "1.0 / {src0}"}),