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authorHans de Goede <hdegoede@redhat.com>2015-11-05 14:32:35 +0100
committerIlia Mirkin <imirkin@alum.mit.edu>2015-11-06 17:22:40 -0500
commitb487b55f7d08c00f2efabc097c7138403528893f (patch)
treeee9dfd504964b56e8ed67119a4881406bb52a55c /src
parent12c850d01ce2bf364f2b1719154df789d43a7a59 (diff)
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gm107/ir: Add support for double immediates
Add support for encoding double immediates (up to 20 bits of precision) into the generated gm107 machine-code. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
index a327d57..7e6ed84 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
@@ -310,9 +310,12 @@ CodeEmitterGM107::emitIMMD(int pos, int len, const ValueRef &ref)
uint32_t val = imm->reg.data.u32;
if (len == 19) {
- if (isFloatType(insn->sType)) {
+ if (insn->sType == TYPE_F32 || insn->sType == TYPE_F16) {
assert(!(val & 0x00000fff));
val >>= 12;
+ } else if (insn->sType == TYPE_F64) {
+ assert(!(imm->reg.data.u64 & 0x00000fffffffffffULL));
+ val = imm->reg.data.u64 >> 44;
}
assert(!(val & 0xfff00000) || (val & 0xfff00000) == 0xfff00000);
emitField( 56, 1, (val & 0x80000) >> 19);