From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Tue, 28 Apr 2020 17:48:37 +0000 (-0400)
Subject: pan/bi: Add bitwise modifiers
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9b415bf6a037867432c72294f0f03917f3b06ae8;p=mesa.git

pan/bi: Add bitwise modifiers

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4790>
---

diff --git a/src/panfrost/bifrost/bi_print.c b/src/panfrost/bifrost/bi_print.c
index e67a1485780..1c9c8a72a31 100644
--- a/src/panfrost/bifrost/bi_print.c
+++ b/src/panfrost/bifrost/bi_print.c
@@ -206,6 +206,9 @@ bi_print_src(FILE *fp, bi_instruction *ins, unsigned s)
         if (abs)
                 fprintf(fp, "abs(");
 
+        if (ins->type == BI_BITWISE && ins->bitwise.src_invert[s])
+                fprintf(fp, "~");
+
         bi_print_index(fp, ins, src, s);
 
         if (abs)
@@ -378,6 +381,8 @@ bi_print_instruction(bi_instruction *ins, FILE *fp)
                 fprintf(fp, ".loc%u", ins->blend_location);
         else if (ins->type == BI_TEX)
                 fprintf(fp, ".%s", bi_tex_op_name(ins->op.texture));
+        else if (ins->type == BI_BITWISE)
+                fprintf(fp, ".%cshift", ins->bitwise.rshift ? 'r' : 'l');
 
         if (ins->vector_channels)
                 fprintf(fp, ".v%u", ins->vector_channels);
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 4178352f3a8..0716cf342ef 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -214,6 +214,11 @@ enum bi_tex_op {
         BI_TEX_DUAL
 };
 
+struct bi_bitwise {
+        bool src_invert[2];
+        bool rshift; /* false for lshift */
+};
+
 typedef struct {
         struct list_head link; /* Must be first */
         enum bi_class type;
@@ -290,6 +295,8 @@ typedef struct {
 
                 /* For BLEND -- the location 0-7 */
                 unsigned blend_location;
+
+                struct bi_bitwise bitwise;
         };
 } bi_instruction;