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nir: Enable 64-bit integer support for almost all unary and binary operations

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v2: Don't up-convert the shift count parameter if shift instructions.
Suggested by Connor.  Add type_is_singed() function.  This will make
adding 8- and 16-bit types easier.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Ian Romanick
2016-09-02 18:46:55 -07:00
parent fda33e09d8
commit 3c9b35372b
1 changed files with 15 additions and 9 deletions
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24
src/compiler/glsl/glsl_to_nir.cpp
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@@ -1325,6 +1325,12 @@ type_is_float(glsl_base_type type)
return type == GLSL_TYPE_FLOAT || type == GLSL_TYPE_DOUBLE;
}
static bool
type_is_signed(glsl_base_type type)
{
return type == GLSL_TYPE_INT || type == GLSL_TYPE_INT64;
}
void
nir_visitor::visit(ir_expression *ir)
{
@@ -1679,7 +1685,7 @@ nir_visitor::visit(ir_expression *ir)
case ir_binop_div:
if (type_is_float(out_type))
result = nir_fdiv(&b, srcs[0], srcs[1]);
else if (out_type == GLSL_TYPE_INT)
else if (type_is_signed(out_type))
result = nir_idiv(&b, srcs[0], srcs[1]);
else
result = nir_udiv(&b, srcs[0], srcs[1]);
@@ -1691,7 +1697,7 @@ nir_visitor::visit(ir_expression *ir)
case ir_binop_min:
if (type_is_float(out_type))
result = nir_fmin(&b, srcs[0], srcs[1]);
else if (out_type == GLSL_TYPE_INT)
else if (type_is_signed(out_type))
result = nir_imin(&b, srcs[0], srcs[1]);
else
result = nir_umin(&b, srcs[0], srcs[1]);
@@ -1699,7 +1705,7 @@ nir_visitor::visit(ir_expression *ir)
case ir_binop_max:
if (type_is_float(out_type))
result = nir_fmax(&b, srcs[0], srcs[1]);
else if (out_type == GLSL_TYPE_INT)
else if (type_is_signed(out_type))
result = nir_imax(&b, srcs[0], srcs[1]);
else
result = nir_umax(&b, srcs[0], srcs[1]);
@@ -1722,8 +1728,8 @@ nir_visitor::visit(ir_expression *ir)
break;
case ir_binop_lshift: result = nir_ishl(&b, srcs[0], srcs[1]); break;
case ir_binop_rshift:
result = (out_type == GLSL_TYPE_INT) ? nir_ishr(&b, srcs[0], srcs[1])
: nir_ushr(&b, srcs[0], srcs[1]);
result = (type_is_signed(out_type)) ? nir_ishr(&b, srcs[0], srcs[1])
: nir_ushr(&b, srcs[0], srcs[1]);
break;
case ir_binop_imul_high:
result = (out_type == GLSL_TYPE_INT) ? nir_imul_high(&b, srcs[0], srcs[1])
@@ -1735,7 +1741,7 @@ nir_visitor::visit(ir_expression *ir)
if (supports_ints) {
if (type_is_float(types[0]))
result = nir_flt(&b, srcs[0], srcs[1]);
else if (types[0] == GLSL_TYPE_INT)
else if (type_is_signed(types[0]))
result = nir_ilt(&b, srcs[0], srcs[1]);
else
result = nir_ult(&b, srcs[0], srcs[1]);
@@ -1747,7 +1753,7 @@ nir_visitor::visit(ir_expression *ir)
if (supports_ints) {
if (type_is_float(types[0]))
result = nir_flt(&b, srcs[1], srcs[0]);
else if (types[0] == GLSL_TYPE_INT)
else if (type_is_signed(types[0]))
result = nir_ilt(&b, srcs[1], srcs[0]);
else
result = nir_ult(&b, srcs[1], srcs[0]);
@@ -1759,7 +1765,7 @@ nir_visitor::visit(ir_expression *ir)
if (supports_ints) {
if (type_is_float(types[0]))
result = nir_fge(&b, srcs[1], srcs[0]);
else if (types[0] == GLSL_TYPE_INT)
else if (type_is_signed(types[0]))
result = nir_ige(&b, srcs[1], srcs[0]);
else
result = nir_uge(&b, srcs[1], srcs[0]);
@@ -1771,7 +1777,7 @@ nir_visitor::visit(ir_expression *ir)
if (supports_ints) {
if (type_is_float(types[0]))
result = nir_fge(&b, srcs[0], srcs[1]);
else if (types[0] == GLSL_TYPE_INT)
else if (type_is_signed(types[0]))
result = nir_ige(&b, srcs[0], srcs[1]);
else
result = nir_uge(&b, srcs[0], srcs[1]);