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nir: Drop lower_fmod64 option.

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nir_lower_doubles offers a wide variety of fp64 lowering, including
lowering fmod@64.  The version there also better handles imprecisions
due to lowered frcp@64.  Let's consolidate on one version.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Kenneth Graunke
2019-06-03 13:15:49 -07:00
parent dfb18f0a28
commit edd45af9ba
3 changed files with 0 additions and 3 deletions
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1
src/compiler/nir/nir.h
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@@ -2250,7 +2250,6 @@ typedef struct nir_shader_compiler_options {
bool lower_fsqrt;
bool lower_fmod16;
bool lower_fmod32;
bool lower_fmod64;
/** Lowers ibitfield_extract/ubitfield_extract to ibfe/ubfe. */
bool lower_bitfield_extract;
/** Lowers ibitfield_extract/ubitfield_extract to bfm, compares, shifts. */

1
src/compiler/nir/nir_opt_algebraic.py
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@@ -773,7 +773,6 @@ optimizations.extend([
# Misc. lowering
(('fmod@16', a, b), ('fsub', a, ('fmul', b, ('ffloor', ('fdiv', a, b)))), 'options->lower_fmod16'),
(('fmod@32', a, b), ('fsub', a, ('fmul', b, ('ffloor', ('fdiv', a, b)))), 'options->lower_fmod32'),
(('fmod@64', a, b), ('fsub', a, ('fmul', b, ('ffloor', ('fdiv', a, b)))), 'options->lower_fmod64'),
(('frem', a, b), ('fsub', a, ('fmul', b, ('ftrunc', ('fdiv', a, b)))), 'options->lower_fmod32'),
(('uadd_carry@32', a, b), ('b2i', ('ult', ('iadd', a, b), a)), 'options->lower_uadd_carry'),
(('usub_borrow@32', a, b), ('b2i', ('ult', a, b)), 'options->lower_usub_borrow'),

1
src/intel/compiler/brw_compiler.c
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@@ -36,7 +36,6 @@
.lower_flrp16 = true, \
.lower_fmod16 = true, \
.lower_fmod32 = true, \
.lower_fmod64 = false, \
.lower_bitfield_extract = true, \
.lower_bitfield_insert = true, \
.lower_uadd_carry = true, \