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ac,radeonsi: use ac_build_fmad

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Marek Olšák
2018-08-15 20:50:03 -04:00
parent c401ead68a
commit 60beac9efc
3 changed files with 8 additions and 19 deletions
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3
src/amd/common/ac_llvm_build.c
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@@ -762,8 +762,7 @@ ac_prepare_cube_coords(struct ac_llvm_context *ctx,
if (is_array) {
/* for cube arrays coord.z = coord.w(array_index) * 8 + face */
/* coords_arg.w component - array_index for cube arrays */
LLVMValueRef tmp = LLVMBuildFMul(ctx->builder, coords_arg[3], LLVMConstReal(ctx->f32, 8.0), "");
coords[2] = LLVMBuildFAdd(ctx->builder, tmp, coords[2], "");
coords[2] = ac_build_fmad(ctx, coords_arg[3], LLVMConstReal(ctx->f32, 8.0), coords[2]);
}
memcpy(coords_arg, coords, sizeof(coords));

7
src/amd/common/ac_nir_to_llvm.c
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@@ -2853,11 +2853,8 @@ static LLVMValueRef visit_interp(struct ac_nir_context *ctx,
interp_el = LLVMBuildBitCast(ctx->ac.builder, interp_el,
ctx->ac.f32, "");
temp1 = LLVMBuildFMul(ctx->ac.builder, ddx_el, src_c0, "");
temp1 = LLVMBuildFAdd(ctx->ac.builder, temp1, interp_el, "");
temp2 = LLVMBuildFMul(ctx->ac.builder, ddy_el, src_c1, "");
temp2 = LLVMBuildFAdd(ctx->ac.builder, temp2, temp1, "");
temp1 = ac_build_fmad(&ctx->ac, ddx_el, src_c0, interp_el);
temp2 = ac_build_fmad(&ctx->ac, ddy_el, src_c1, temp1);
ij_out[i] = LLVMBuildBitCast(ctx->ac.builder,
temp2, ctx->ac.i32, "");

17
src/gallium/drivers/radeonsi/si_shader.c
View File

@@ -2659,10 +2659,8 @@ static void si_llvm_emit_clipvertex(struct si_shader_context *ctx,
const_chan) * 4, 0);
base_elt = buffer_load_const(ctx, const_resource,
addr);
args->out[chan] =
LLVMBuildFAdd(ctx->ac.builder, args->out[chan],
LLVMBuildFMul(ctx->ac.builder, base_elt,
out_elts[const_chan], ""), "");
args->out[chan] = ac_build_fmad(&ctx->ac, base_elt,
out_elts[const_chan], args->out[chan]);
}
}
@@ -4114,17 +4112,12 @@ static void build_interp_intrinsic(const struct lp_build_tgsi_action *action,
ddxy_out, iy_ll, "");
LLVMValueRef interp_el = LLVMBuildExtractElement(ctx->ac.builder,
interp_param, ix_ll, "");
LLVMValueRef temp1, temp2;
LLVMValueRef temp;
interp_el = ac_to_float(&ctx->ac, interp_el);
temp1 = LLVMBuildFMul(ctx->ac.builder, ddx_el, offset_x, "");
temp1 = LLVMBuildFAdd(ctx->ac.builder, temp1, interp_el, "");
temp2 = LLVMBuildFMul(ctx->ac.builder, ddy_el, offset_y, "");
ij_out[i] = LLVMBuildFAdd(ctx->ac.builder, temp2, temp1, "");
temp = ac_build_fmad(&ctx->ac, ddx_el, offset_x, interp_el);
ij_out[i] = ac_build_fmad(&ctx->ac, ddy_el, offset_y, temp);
}
interp_param = ac_build_gather_values(&ctx->ac, ij_out, 2);
}