From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Tue, 14 Apr 2020 16:54:17 +0000 (-0400)
Subject: pan/bi: Add frexp_log packing
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9904ed170a121bb15350b0882ddc6e54d13a8a8f;p=mesa.git

pan/bi: Add frexp_log packing

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4615>
---

diff --git a/src/panfrost/bifrost/bi_pack.c b/src/panfrost/bifrost/bi_pack.c
index 822d1ff10d9..6539d23ee0e 100644
--- a/src/panfrost/bifrost/bi_pack.c
+++ b/src/panfrost/bifrost/bi_pack.c
@@ -728,6 +728,13 @@ bi_pack_fma_csel(bi_instruction *ins, struct bi_registers *regs)
         RETURN_PACKED(pack);
 }
 
+static unsigned
+bi_pack_fma_frexp(bi_instruction *ins, struct bi_registers *regs)
+{
+        unsigned op = BIFROST_FMA_OP_FREXPE_LOG;
+        return bi_pack_fma_1src(ins, regs, op);
+}
+
 /* We have a single convert opcode in the IR but a number of opcodes that could
  * come out. In particular we have native opcodes for:
  *
@@ -857,6 +864,7 @@ bi_pack_fma(bi_clause *clause, bi_bundle bundle, struct bi_registers *regs)
         case BI_FMA:
                 return bi_pack_fma_fma(bundle.fma, regs);
         case BI_FREXP:
+                return bi_pack_fma_frexp(bundle.fma, regs);
         case BI_ISUB:
                 return BIFROST_FMA_NOP;
         case BI_MINMAX:
diff --git a/src/panfrost/bifrost/bifrost.h b/src/panfrost/bifrost/bifrost.h
index 5552dd92585..91755375c3b 100644
--- a/src/panfrost/bifrost/bifrost.h
+++ b/src/panfrost/bifrost/bifrost.h
@@ -97,6 +97,7 @@ enum bifrost_packed_src {
 
 #define BIFROST_FMA_EXT (0xe0000)
 #define BIFROST_FMA_OP_MOV BIFROST_FMA_EXT | (0x32d)
+#define BIFROST_FMA_OP_FREXPE_LOG BIFROST_FMA_EXT | 0x3c5
 
 struct bifrost_fma_inst {
         unsigned src0 : 3;