440 lines
16 KiB
C
440 lines
16 KiB
C
/*
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* Copyright © 2016-2017 Broadcom
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "broadcom/common/v3d_device_info.h"
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#include "v3d_compiler.h"
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/* Prints a human-readable description of the uniform reference. */
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void
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vir_dump_uniform(enum quniform_contents contents,
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uint32_t data)
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{
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static const char *quniform_names[] = {
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[QUNIFORM_LINE_WIDTH] = "line_width",
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[QUNIFORM_AA_LINE_WIDTH] = "aa_line_width",
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[QUNIFORM_VIEWPORT_X_SCALE] = "vp_x_scale",
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[QUNIFORM_VIEWPORT_Y_SCALE] = "vp_y_scale",
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[QUNIFORM_VIEWPORT_Z_OFFSET] = "vp_z_offset",
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[QUNIFORM_VIEWPORT_Z_SCALE] = "vp_z_scale",
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[QUNIFORM_SHARED_OFFSET] = "shared_offset",
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};
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switch (contents) {
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case QUNIFORM_CONSTANT:
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fprintf(stderr, "0x%08x / %f", data, uif(data));
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break;
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case QUNIFORM_UNIFORM:
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fprintf(stderr, "push[%d]", data);
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break;
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case QUNIFORM_TEXTURE_CONFIG_P1:
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fprintf(stderr, "tex[%d].p1", data);
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break;
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case QUNIFORM_TMU_CONFIG_P0:
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fprintf(stderr, "tex[%d].p0 | 0x%x",
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v3d_unit_data_get_unit(data),
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v3d_unit_data_get_offset(data));
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break;
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case QUNIFORM_TMU_CONFIG_P1:
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fprintf(stderr, "tex[%d].p1 | 0x%x",
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v3d_unit_data_get_unit(data),
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v3d_unit_data_get_offset(data));
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break;
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case QUNIFORM_IMAGE_TMU_CONFIG_P0:
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fprintf(stderr, "img[%d].p0 | 0x%x",
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v3d_unit_data_get_unit(data),
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v3d_unit_data_get_offset(data));
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break;
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case QUNIFORM_TEXTURE_WIDTH:
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fprintf(stderr, "tex[%d].width", data);
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break;
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case QUNIFORM_TEXTURE_HEIGHT:
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fprintf(stderr, "tex[%d].height", data);
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break;
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case QUNIFORM_TEXTURE_DEPTH:
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fprintf(stderr, "tex[%d].depth", data);
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break;
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case QUNIFORM_TEXTURE_ARRAY_SIZE:
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fprintf(stderr, "tex[%d].array_size", data);
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break;
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case QUNIFORM_TEXTURE_LEVELS:
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fprintf(stderr, "tex[%d].levels", data);
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break;
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case QUNIFORM_IMAGE_WIDTH:
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fprintf(stderr, "img[%d].width", data);
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break;
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case QUNIFORM_IMAGE_HEIGHT:
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fprintf(stderr, "img[%d].height", data);
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break;
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case QUNIFORM_IMAGE_DEPTH:
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fprintf(stderr, "img[%d].depth", data);
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break;
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case QUNIFORM_IMAGE_ARRAY_SIZE:
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fprintf(stderr, "img[%d].array_size", data);
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break;
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case QUNIFORM_SPILL_OFFSET:
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fprintf(stderr, "spill_offset");
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break;
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case QUNIFORM_SPILL_SIZE_PER_THREAD:
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fprintf(stderr, "spill_size_per_thread");
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break;
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case QUNIFORM_UBO_ADDR:
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fprintf(stderr, "ubo[%d]+0x%x",
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v3d_unit_data_get_unit(data),
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v3d_unit_data_get_offset(data));
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break;
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case QUNIFORM_SSBO_OFFSET:
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fprintf(stderr, "ssbo[%d]", data);
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break;
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case QUNIFORM_GET_SSBO_SIZE:
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fprintf(stderr, "ssbo_size[%d]", data);
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break;
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case QUNIFORM_GET_UBO_SIZE:
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fprintf(stderr, "ubo_size[%d]", data);
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break;
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case QUNIFORM_NUM_WORK_GROUPS:
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fprintf(stderr, "num_wg.%c", data < 3 ? "xyz"[data] : '?');
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break;
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default:
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if (quniform_contents_is_texture_p0(contents)) {
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fprintf(stderr, "tex[%d].p0: 0x%08x",
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contents - QUNIFORM_TEXTURE_CONFIG_P0_0,
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data);
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} else if (contents < ARRAY_SIZE(quniform_names) &&
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quniform_names[contents]) {
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fprintf(stderr, "%s",
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quniform_names[contents]);
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} else {
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fprintf(stderr, "%d / 0x%08x", contents, data);
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}
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}
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}
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static void
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vir_print_reg(struct v3d_compile *c, const struct qinst *inst,
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struct qreg reg)
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{
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switch (reg.file) {
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case QFILE_NULL:
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fprintf(stderr, "null");
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break;
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case QFILE_LOAD_IMM:
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fprintf(stderr, "0x%08x (%f)", reg.index, uif(reg.index));
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break;
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case QFILE_REG:
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fprintf(stderr, "rf%d", reg.index);
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break;
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case QFILE_MAGIC:
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fprintf(stderr, "%s",
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v3d_qpu_magic_waddr_name(c->devinfo, reg.index));
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break;
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case QFILE_SMALL_IMM: {
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uint32_t unpacked;
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bool ok = v3d_qpu_small_imm_unpack(c->devinfo,
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inst->qpu.raddr_b,
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&unpacked);
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assert(ok); (void) ok;
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int8_t *p = (int8_t *)&inst->qpu.raddr_b;
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if (*p >= -16 && *p <= 15)
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fprintf(stderr, "%d", unpacked);
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else
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fprintf(stderr, "%f", uif(unpacked));
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break;
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}
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case QFILE_VPM:
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fprintf(stderr, "vpm%d.%d",
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reg.index / 4, reg.index % 4);
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break;
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case QFILE_TEMP:
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fprintf(stderr, "t%d", reg.index);
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break;
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}
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}
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static void
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vir_dump_sig_addr(const struct v3d_device_info *devinfo,
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const struct v3d_qpu_instr *instr)
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{
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if (devinfo->ver < 41)
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return;
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if (!instr->sig_magic)
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fprintf(stderr, ".rf%d", instr->sig_addr);
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else {
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const char *name =
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v3d_qpu_magic_waddr_name(devinfo, instr->sig_addr);
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if (name)
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fprintf(stderr, ".%s", name);
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else
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fprintf(stderr, ".UNKNOWN%d", instr->sig_addr);
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}
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}
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static void
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vir_dump_sig(struct v3d_compile *c, struct qinst *inst)
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{
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struct v3d_qpu_sig *sig = &inst->qpu.sig;
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if (sig->thrsw)
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fprintf(stderr, "; thrsw");
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if (sig->ldvary) {
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fprintf(stderr, "; ldvary");
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vir_dump_sig_addr(c->devinfo, &inst->qpu);
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}
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if (sig->ldvpm)
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fprintf(stderr, "; ldvpm");
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if (sig->ldtmu) {
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fprintf(stderr, "; ldtmu");
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vir_dump_sig_addr(c->devinfo, &inst->qpu);
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}
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if (sig->ldtlb) {
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fprintf(stderr, "; ldtlb");
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vir_dump_sig_addr(c->devinfo, &inst->qpu);
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}
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if (sig->ldtlbu) {
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fprintf(stderr, "; ldtlbu");
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vir_dump_sig_addr(c->devinfo, &inst->qpu);
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}
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if (sig->ldunif)
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fprintf(stderr, "; ldunif");
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if (sig->ldunifrf) {
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fprintf(stderr, "; ldunifrf");
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vir_dump_sig_addr(c->devinfo, &inst->qpu);
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}
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if (sig->ldunifa)
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fprintf(stderr, "; ldunifa");
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if (sig->ldunifarf) {
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fprintf(stderr, "; ldunifarf");
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vir_dump_sig_addr(c->devinfo, &inst->qpu);
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}
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if (sig->wrtmuc)
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fprintf(stderr, "; wrtmuc");
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}
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static void
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vir_dump_alu(struct v3d_compile *c, struct qinst *inst)
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{
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struct v3d_qpu_instr *instr = &inst->qpu;
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int nsrc = vir_get_nsrc(inst);
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enum v3d_qpu_input_unpack unpack[2];
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if (inst->qpu.alu.add.op != V3D_QPU_A_NOP) {
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fprintf(stderr, "%s", v3d_qpu_add_op_name(instr->alu.add.op));
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fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.ac));
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fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.apf));
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fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.auf));
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fprintf(stderr, " ");
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vir_print_reg(c, inst, inst->dst);
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fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.add.output_pack));
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unpack[0] = instr->alu.add.a_unpack;
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unpack[1] = instr->alu.add.b_unpack;
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} else {
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fprintf(stderr, "%s", v3d_qpu_mul_op_name(instr->alu.mul.op));
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fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.mc));
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fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.mpf));
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fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.muf));
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fprintf(stderr, " ");
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vir_print_reg(c, inst, inst->dst);
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fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.mul.output_pack));
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unpack[0] = instr->alu.mul.a_unpack;
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unpack[1] = instr->alu.mul.b_unpack;
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}
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for (int i = 0; i < nsrc; i++) {
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fprintf(stderr, ", ");
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vir_print_reg(c, inst, inst->src[i]);
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fprintf(stderr, "%s", v3d_qpu_unpack_name(unpack[i]));
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}
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vir_dump_sig(c, inst);
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}
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void
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vir_dump_inst(struct v3d_compile *c, struct qinst *inst)
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{
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struct v3d_qpu_instr *instr = &inst->qpu;
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switch (inst->qpu.type) {
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case V3D_QPU_INSTR_TYPE_ALU:
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vir_dump_alu(c, inst);
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break;
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case V3D_QPU_INSTR_TYPE_BRANCH:
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fprintf(stderr, "b");
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if (instr->branch.ub)
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fprintf(stderr, "u");
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fprintf(stderr, "%s",
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v3d_qpu_branch_cond_name(instr->branch.cond));
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fprintf(stderr, "%s", v3d_qpu_msfign_name(instr->branch.msfign));
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switch (instr->branch.bdi) {
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case V3D_QPU_BRANCH_DEST_ABS:
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fprintf(stderr, " zero_addr+0x%08x", instr->branch.offset);
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break;
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case V3D_QPU_BRANCH_DEST_REL:
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fprintf(stderr, " %d", instr->branch.offset);
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break;
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case V3D_QPU_BRANCH_DEST_LINK_REG:
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fprintf(stderr, " lri");
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break;
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case V3D_QPU_BRANCH_DEST_REGFILE:
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fprintf(stderr, " rf%d", instr->branch.raddr_a);
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break;
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}
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if (instr->branch.ub) {
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switch (instr->branch.bdu) {
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case V3D_QPU_BRANCH_DEST_ABS:
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fprintf(stderr, ", a:unif");
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break;
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case V3D_QPU_BRANCH_DEST_REL:
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fprintf(stderr, ", r:unif");
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break;
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case V3D_QPU_BRANCH_DEST_LINK_REG:
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fprintf(stderr, ", lri");
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break;
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case V3D_QPU_BRANCH_DEST_REGFILE:
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fprintf(stderr, ", rf%d", instr->branch.raddr_a);
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break;
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}
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}
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break;
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}
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if (vir_has_uniform(inst)) {
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fprintf(stderr, " (");
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vir_dump_uniform(c->uniform_contents[inst->uniform],
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c->uniform_data[inst->uniform]);
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fprintf(stderr, ")");
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}
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}
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void
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vir_dump(struct v3d_compile *c)
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{
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int ip = 0;
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int pressure = 0;
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vir_for_each_block(block, c) {
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fprintf(stderr, "BLOCK %d:\n", block->index);
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vir_for_each_inst(inst, block) {
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if (c->live_intervals_valid) {
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for (int i = 0; i < c->num_temps; i++) {
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if (c->temp_start[i] == ip)
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pressure++;
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}
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fprintf(stderr, "P%4d ", pressure);
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bool first = true;
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for (int i = 0; i < c->num_temps; i++) {
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if (c->temp_start[i] != ip)
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continue;
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if (first) {
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first = false;
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} else {
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fprintf(stderr, ", ");
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}
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if (BITSET_TEST(c->spillable, i))
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fprintf(stderr, "S%4d", i);
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else
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fprintf(stderr, "U%4d", i);
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}
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if (first)
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fprintf(stderr, " ");
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else
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fprintf(stderr, " ");
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}
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if (c->live_intervals_valid) {
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bool first = true;
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for (int i = 0; i < c->num_temps; i++) {
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if (c->temp_end[i] != ip)
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continue;
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if (first) {
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first = false;
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} else {
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fprintf(stderr, ", ");
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}
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fprintf(stderr, "E%4d", i);
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pressure--;
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}
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if (first)
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fprintf(stderr, " ");
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else
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fprintf(stderr, " ");
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}
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vir_dump_inst(c, inst);
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fprintf(stderr, "\n");
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ip++;
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}
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if (block->successors[1]) {
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fprintf(stderr, "-> BLOCK %d, %d\n",
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block->successors[0]->index,
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block->successors[1]->index);
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} else if (block->successors[0]) {
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fprintf(stderr, "-> BLOCK %d\n",
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block->successors[0]->index);
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}
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}
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}
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