commit ec37c7126dc9c2ea02a7910c82c1085e96ad5654
author Chris Forbes <chrisforbes@google.com> Sun Jul 26 10:31:13 2020 -0700
committer Marge Bot <eric+marge@anholt.net> Mon Jul 27 16:53:52 2020 +0000
tree 9d77bb12534708c31377728879ab1b6d49e57c9a
parent 0ffefad7916969b4de24aa14140f5e40d0cec58a

bifrost: Emit "d3d" variant of comparison instructions

The "d3d" variant uses ~0 as the true value. This is consistent
with NIR's nir_lower_bool_to_int32 pass.

Signed-off-by: Chris Forbes <chrisforbes@google.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6079>

src/panfrost/bifrost/bi_pack.c

diff --git a/src/panfrost/bifrost/bi_pack.c b/src/panfrost/bifrost/bi_pack.c
index 96a155d..13d3808 100644
--- a/src/panfrost/bifrost/bi_pack.c
+++ b/src/panfrost/bifrost/bi_pack.c
@@ -1022,7 +1022,7 @@
                         .src_expand = 0,
                         .unk1 = 0,
                         .cond = cond,
-                        .op = BIFROST_FMA_OP_FCMP_GL
+                        .op = BIFROST_FMA_OP_FCMP_D3D
                 };
 
                 RETURN_PACKED(pack);
@@ -1042,7 +1042,7 @@
                         .abs1 = l,
                         .unk = 0,
                         .cond = cond,
-                        .op = BIFROST_FMA_OP_FCMP_GL_16,
+                        .op = BIFROST_FMA_OP_FCMP_D3D_16,
                 };
 
                 RETURN_PACKED(pack);
@@ -1552,7 +1552,7 @@
                 .src1 = bi_get_src(ins, regs, flip ? 0 : 1),
                 .cond = cond,
                 .sz = 1,
-                .d3d = false,
+                .d3d = true,
                 .op = BIFROST_ADD_OP_ICMP_32
         };
 
@@ -1569,7 +1569,7 @@
                 .src0_swizzle = bi_swiz16(ins, flip ? 1 : 0),
                 .src1_swizzle = bi_swiz16(ins, flip ? 0 : 1),
                 .cond = cond,
-                .d3d = false,
+                .d3d = true,
                 .op = BIFROST_ADD_OP_ICMP_16
         };