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arrm, neon: use negate instruction instead of xor in glm_inv_tr_neon()

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Recep Aslantas
2021-05-07 01:52:12 +03:00
parent 7f9585ca72
commit 5c22ca3abb
2 changed files with 3 additions and 3 deletions
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2
include/cglm/simd/neon/affine.h
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@@ -97,7 +97,7 @@ glm_inv_tr_neon(mat4 mat) {
x0 = glmm_fmadd(r0, glmm_splat_w(r0), x0 = glmm_fmadd(r0, glmm_splat_w(r0),
glmm_fmadd(r1, glmm_splat_w(r1), glmm_fmadd(r1, glmm_splat_w(r1),
vmulq_f32(r2, glmm_splat_w(r2)))); vmulq_f32(r2, glmm_splat_w(r2))));
x0 = glmm_xor(x0, glmm_set1(-0.f)); x0 = vnegq_f32(x0);
glmm_store(mat[0], r0); glmm_store(mat[0], r0);
glmm_store(mat[1], r1); glmm_store(mat[1], r1);

4
include/cglm/simd/neon/mat2.h
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@@ -22,8 +22,8 @@ glm_mat2_mul_neon(mat2 m1, mat2 m2, mat2 dest) {
x1 = glmm_load(m1[0]); /* d c b a */ x1 = glmm_load(m1[0]); /* d c b a */
x2 = glmm_load(m2[0]); /* h g f e */ x2 = glmm_load(m2[0]); /* h g f e */
dc = vget_high_f32(x1); dc = vget_high_f32(x1);
ba = vget_low_f32(x1); ba = vget_low_f32(x1);
/* g g e e, h h f f */ /* g g e e, h h f f */
a1 = vtrnq_f32(x2, x2); a1 = vtrnq_f32(x2, x2);