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nir: swap fadd operands in nir_atan() 

This shouldn't do anything but will make testing a later patch easier.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8056>
This commit is contained in:
Rhys Perry 2020-06-17 11:53:13 +01:00 committed by Marge Bot
parent d42e53c77a
commit 82d0600ba2
1 changed files with 3 additions and 2 deletions
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5
src/compiler/nir/nir_builtin_builder.c
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@ -226,9 +226,10 @@ nir_atan(nir_builder *b, nir_ssa_def *y_over_x)
build_fsum(b, polynomial_terms, ARRAY_SIZE(polynomial_terms));
/* range-reduction fixup */
tmp = nir_fadd(b, tmp,
tmp = nir_fadd(b,
nir_fmul(b, nir_b2f(b, nir_flt(b, one, abs_y_over_x), bit_size),
nir_fadd_imm(b, nir_fmul_imm(b, tmp, -2.0f), M_PI_2)));
nir_fadd_imm(b, nir_fmul_imm(b, tmp, -2.0f), M_PI_2)),
tmp);
/* sign fixup */
return nir_fmul(b, tmp, nir_fsign(b, y_over_x));