[Mesa-dev] [PATCH 2/2] nir: add lower_ldexp to nir compiler options
Timothy Arceri
tarceri at itsqueeze.com
Tue Feb 27 08:40:38 UTC 2018
---
src/broadcom/compiler/nir_to_vir.c | 1 +
src/compiler/nir/nir.h | 2 ++
src/compiler/nir/nir_opt_algebraic.py | 4 ++--
src/gallium/drivers/freedreno/ir3/ir3_nir.c | 1 +
src/gallium/drivers/vc4/vc4_program.c | 1 +
src/intel/compiler/brw_compiler.c | 1 +
6 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c
index 6bb2774143..595689d244 100644
--- a/src/broadcom/compiler/nir_to_vir.c
+++ b/src/broadcom/compiler/nir_to_vir.c
@@ -1893,6 +1893,7 @@ const nir_shader_compiler_options v3d_nir_options = {
.lower_fpow = true,
.lower_fsat = true,
.lower_fsqrt = true,
+ .lower_ldexp = true,
.native_integers = true,
};
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index c6541f0a6f..239c0bd34f 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -1865,6 +1865,8 @@ typedef struct nir_shader_compiler_options {
/** lowers ffract to fsub+ffloor: */
bool lower_ffract;
+ bool lower_ldexp;
+
bool lower_pack_half_2x16;
bool lower_pack_unorm_2x16;
bool lower_pack_snorm_2x16;
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index d40d59b5cd..296f067138 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -560,8 +560,8 @@ def ldexp(f, exp, bits):
return ('fmul', ('fmul', f, pow2_1), pow2_2)
optimizations += [
- (('ldexp at 32', 'x', 'exp'), ldexp('x', 'exp', 32)),
- (('ldexp at 64', 'x', 'exp'), ldexp('x', 'exp', 64)),
+ (('ldexp at 32', 'x', 'exp'), ldexp('x', 'exp', 32), 'options->lower_ldexp'),
+ (('ldexp at 64', 'x', 'exp'), ldexp('x', 'exp', 64), 'options->lower_ldexp'),
]
# Unreal Engine 4 demo applications open-codes bitfieldReverse()
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_nir.c b/src/gallium/drivers/freedreno/ir3/ir3_nir.c
index 6edb0e4574..0b637bb99b 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_nir.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_nir.c
@@ -44,6 +44,7 @@ static const nir_shader_compiler_options options = {
.lower_fmod32 = true,
.lower_fmod64 = true,
.lower_fdiv = true,
+ .lower_ldexp = true,
.fuse_ffma = true,
.native_integers = true,
.vertex_id_zero_based = true,
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index 706982c4a1..be80a851d2 100644
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -2188,6 +2188,7 @@ static const nir_shader_compiler_options nir_options = {
.lower_fpow = true,
.lower_fsat = true,
.lower_fsqrt = true,
+ .lower_ldexp = true,
.lower_negate = true,
.native_integers = true,
.max_unroll_iterations = 32,
diff --git a/src/intel/compiler/brw_compiler.c b/src/intel/compiler/brw_compiler.c
index e515559acb..bb9df5e701 100644
--- a/src/intel/compiler/brw_compiler.c
+++ b/src/intel/compiler/brw_compiler.c
@@ -41,6 +41,7 @@
.lower_usub_borrow = true, \
.lower_fdiv = true, \
.lower_flrp64 = true, \
+ .lower_ldexp = true, \
.native_integers = true, \
.use_interpolated_input_intrinsics = true, \
.vertex_id_zero_based = true
--
2.14.3
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