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psxrecomp/runtime/tests/test_pgxp.cpp
T
Matthew Stanley a408bd8368 Render passes: roll precision-tracking shadows back with the machine 
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-02 12:41:53 -07:00

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/* test_pgxp.cpp — PGXP value-propagation engine unit tests (docs/ENHANCEMENTS.md
* G1.2/G1.3). White-box over runtime/src/pgxp.cpp with the gte.cpp fallback
* cache stubbed, exercising exactly the properties the engine's safety rests
* on: provenance roundtrips, validate-on-read, half-word semantics, the
* repack arithmetic, the suppression bracket, and the GPU-side safeguards. */
#include "pgxp.h"
#include "pgxp_hooks.h"
#include <cstdio>
#include <cstring>
static int g_failures = 0;
#define CHECK(cond) \
do { \
if (!(cond)) { \
std::fprintf(stderr, "FAIL %s:%d: %s\n", __FILE__, __LINE__, \
#cond); \
g_failures++; \
} \
} while (0)
/* ---- gte.cpp fallback-cache stub ----------------------------------------- */
static uint32_t g_fb_packed = 0;
static int32_t g_fb_x16 = 0, g_fb_y16 = 0;
static int g_fb_valid = 0;
extern "C" int gte_geometry_correction_lookup(uint32_t packed,
int32_t *x16, int32_t *y16) {
if (!g_fb_valid || packed != g_fb_packed) return 0;
if (x16) *x16 = g_fb_x16;
if (y16) *y16 = g_fb_y16;
return 1;
}
/* ---- MIPS encodings ------------------------------------------------------ */
static uint32_t enc_i(uint32_t op, uint32_t rs, uint32_t rt, uint16_t imm) {
return (op << 26) | (rs << 21) | (rt << 16) | imm;
}
static uint32_t enc_r(uint32_t rs, uint32_t rt, uint32_t rd, uint32_t sh,
uint32_t funct) {
return (rs << 21) | (rt << 16) | (rd << 11) | (sh << 6) | funct;
}
static uint32_t enc_cop2(uint32_t sub, uint32_t rt, uint32_t rd) {
return (0x12u << 26) | (sub << 21) | (rt << 16) | (rd << 11);
}
#define LW(rs, rt) enc_i(0x23, rs, rt, 0)
#define SW(rs, rt) enc_i(0x2B, rs, rt, 0)
#define LH(rs, rt) enc_i(0x21, rs, rt, 0)
#define LHU(rs, rt) enc_i(0x25, rs, rt, 0)
#define SH(rs, rt) enc_i(0x29, rs, rt, 0)
#define SB(rs, rt) enc_i(0x28, rs, rt, 0)
#define LWC2(rt) enc_i(0x32, 1, rt, 0)
#define SWC2(rt) enc_i(0x3A, 1, rt, 0)
#define MFC2(rt, rd) enc_cop2(0x00, rt, rd)
#define MTC2(rt, rd) enc_cop2(0x04, rt, rd)
#define ADDIU(rs, rt, imm) enc_i(0x09, rs, rt, (uint16_t)(imm))
#define LUI(rt, imm) enc_i(0x0F, 0, rt, (uint16_t)(imm))
#define SLL(rt, rd, sh) enc_r(0, rt, rd, sh, 0x00)
#define SRA(rt, rd, sh) enc_r(0, rt, rd, sh, 0x03)
#define OR(rs, rt, rd) enc_r(rs, rt, rd, 0, 0x25)
#define ADDU(rs, rt, rd) enc_r(rs, rt, rd, 0, 0x21)
#define SUBU(rs, rt, rd) enc_r(rs, rt, rd, 0, 0x23)
#define AND(rs, rt, rd) enc_r(rs, rt, rd, 0, 0x24)
#define NOR(rs, rt, rd) enc_r(rs, rt, rd, 0, 0x27)
#define SLT(rs, rt, rd) enc_r(rs, rt, rd, 0, 0x2A)
#define ANDI(rs, rt, imm) enc_i(0x0C, rs, rt, (uint16_t)(imm))
#define ORI(rs, rt, imm) enc_i(0x0D, rs, rt, (uint16_t)(imm))
/* One projected vertex: x = 160.5, y = 80.25 -> packed integer word. */
static const uint32_t PACKED = (80u << 16) | 160u;
static const int32_t X16 = (160 << 16) | 0x8000; /* 160.5 */
static const int32_t Y16 = (80 << 16) | 0x4000; /* 80.25 */
static const uint16_t SZ3 = 100;
static const uint32_t ADDR_A = 0x80100000u; /* packet slot A (KSEG0) */
static const uint32_t ADDR_B = 0x00100040u; /* packet slot B (KUSEG) */
static void produce_at(uint32_t addr) {
pgxp_gte_push_sxy(X16, Y16, SZ3, PACKED);
psx_pgxp_cop2(nullptr, SWC2(14), PACKED, addr);
}
static int lookup(uint32_t addr, uint32_t word, int32_t ix, int32_t iy,
int32_t *x, int32_t *y, uint16_t *z) {
int32_t lx, ly; uint16_t lz;
int r = pgxp_get_precise_vertex(addr, word, ix, iy, &lx, &ly, &lz);
if (x) *x = lx;
if (y) *y = ly;
if (z) *z = lz;
return r;
}
int main(void) {
pgxp_set_enabled(1);
pgxp_set_tolerance(-1.0f);
pgxp_set_cpu_mode(0);
/* --- SWC2 produce -> GPU consume (the perspective-texturing spine) --- */
produce_at(ADDR_A);
{
int32_t x, y; uint16_t z;
CHECK(lookup(ADDR_A, PACKED, 160, 80, &x, &y, &z) == PGXP_SRC_DATAFLOW);
CHECK(x == X16 && y == Y16 && z == SZ3);
/* mirrors resolve to the same shadow word */
CHECK(lookup(0xA0100000u, PACKED, 160, 80, &x, &y, &z) ==
PGXP_SRC_DATAFLOW);
}
/* --- DMA/untracked overwrite: value validation rejects the shadow --- */
{
int32_t x, y; uint16_t z;
uint32_t other = (81u << 16) | 161u;
CHECK(lookup(ADDR_A, other, 161, 81, &x, &y, &z) == PGXP_SRC_NATIVE);
CHECK(x == (161 << 16) && y == (81 << 16) && z == 0);
}
/* --- LW/SW roundtrip: packet copied by the CPU keeps provenance --- */
produce_at(ADDR_A);
psx_pgxp_load(nullptr, LW(1, 8), ADDR_A, PACKED);
psx_pgxp_store(nullptr, SW(1, 8), ADDR_B, PACKED);
{
int32_t x, y; uint16_t z;
CHECK(lookup(ADDR_B, PACKED, 160, 80, &x, &y, &z) == PGXP_SRC_DATAFLOW);
CHECK(x == X16 && y == Y16 && z == SZ3);
}
/* --- stale GPR: register changed between load and store --- */
psx_pgxp_load(nullptr, LW(1, 8), ADDR_A, PACKED);
psx_pgxp_store(nullptr, SW(1, 8), ADDR_B, 0xDEADBEEFu); /* r8 mutated */
CHECK(lookup(ADDR_B, 0xDEADBEEFu, 0, 0, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
/* --- MOVE idiom (memory mode, no cpu_mode needed) --- */
produce_at(ADDR_A);
psx_pgxp_load(nullptr, LW(1, 8), ADDR_A, PACKED);
psx_pgxp_alu(nullptr, ADDU(8, 0, 10), PACKED, PACKED, 0);
psx_pgxp_store(nullptr, SW(1, 10), ADDR_B, PACKED);
CHECK(lookup(ADDR_B, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_DATAFLOW);
/* --- MFC2 -> SW (register transfer path) --- */
pgxp_gte_push_sxy(X16, Y16, SZ3, PACKED);
psx_pgxp_cop2(nullptr, MFC2(9, 14), PACKED, 0);
psx_pgxp_store(nullptr, SW(1, 9), ADDR_B, PACKED);
CHECK(lookup(ADDR_B, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_DATAFLOW);
/* --- LH/SH: halves travel independently, depth does not survive --- */
produce_at(ADDR_A);
psx_pgxp_load(nullptr, LHU(1, 8), ADDR_A + 2u, PACKED >> 16); /* Y */
psx_pgxp_store(nullptr, SH(1, 8), ADDR_B + 2u, PACKED >> 16);
psx_pgxp_load(nullptr, LHU(1, 8), ADDR_A, PACKED & 0xFFFFu); /* X */
psx_pgxp_store(nullptr, SH(1, 8), ADDR_B, PACKED & 0xFFFFu);
{
int32_t x, y; uint16_t z;
CHECK(lookup(ADDR_B, PACKED, 160, 80, &x, &y, &z) == PGXP_SRC_DATAFLOW);
CHECK(x == X16 && y == Y16);
CHECK(z == 0); /* SH killed the vertex depth */
}
/* --- SB destroys the touched half only --- */
produce_at(ADDR_B);
psx_pgxp_store(nullptr, SB(1, 8), ADDR_B, PACKED & 0xFFu); /* same byte */
{
int32_t x, y; uint16_t z;
/* low half invalidated -> not a full XY hit anymore */
CHECK(lookup(ADDR_B, PACKED, 160, 80, &x, &y, &z) != PGXP_SRC_DATAFLOW);
}
/* --- cpu-mode repack: lhu / sll 16 / or (the classic vertex build) --- */
pgxp_set_cpu_mode(1);
produce_at(ADDR_A);
psx_pgxp_load(nullptr, LHU(1, 8), ADDR_A + 2u, PACKED >> 16); /* Y */
psx_pgxp_alu(nullptr, SLL(8, 9, 16), (PACKED >> 16) << 16,
PACKED >> 16, 16);
psx_pgxp_load(nullptr, LHU(1, 10), ADDR_A, PACKED & 0xFFFFu); /* X */
psx_pgxp_alu(nullptr, OR(9, 10, 11), PACKED,
(PACKED >> 16) << 16, PACKED & 0xFFFFu);
psx_pgxp_store(nullptr, SW(1, 11), ADDR_B, PACKED);
{
int32_t x, y;
CHECK(lookup(ADDR_B, PACKED, 160, 80, &x, &y, nullptr) ==
PGXP_SRC_DATAFLOW);
CHECK(x == X16 && y == Y16);
}
/* --- cpu-mode addiu: fraction rides an integer offset (incl. -N) --- */
psx_pgxp_load(nullptr, LW(1, 8), ADDR_A, PACKED);
psx_pgxp_alu(nullptr, ADDIU(8, 12, 4), PACKED + 4u, PACKED, 4u);
psx_pgxp_store(nullptr, SW(1, 12), ADDR_B, PACKED + 4u);
{
int32_t x, y;
CHECK(lookup(ADDR_B, PACKED + 4u, 164, 80, &x, &y, nullptr) ==
PGXP_SRC_DATAFLOW);
CHECK(x == X16 + (4 << 16) && y == Y16);
}
psx_pgxp_load(nullptr, LW(1, 8), ADDR_A, PACKED);
psx_pgxp_alu(nullptr, ADDIU(8, 12, (uint16_t)-4), PACKED - 4u, PACKED,
(uint32_t)(int32_t)-4);
psx_pgxp_store(nullptr, SW(1, 12), ADDR_B, PACKED - 4u);
{
int32_t x;
CHECK(lookup(ADDR_B, PACKED - 4u, 156, 80, &x, nullptr, nullptr) ==
PGXP_SRC_DATAFLOW);
CHECK(x == X16 - (4 << 16));
}
pgxp_set_cpu_mode(0);
/* --- cpu-mode OFF: the same repack must degrade to native, cleanly --- */
produce_at(ADDR_A);
psx_pgxp_load(nullptr, LHU(1, 8), ADDR_A + 2u, PACKED >> 16);
psx_pgxp_alu(nullptr, SLL(8, 9, 16), (PACKED >> 16) << 16,
PACKED >> 16, 16);
psx_pgxp_store(nullptr, SW(1, 9), ADDR_B, (PACKED >> 16) << 16);
CHECK(lookup(ADDR_B, (PACKED >> 16) << 16, 0, 80, nullptr, nullptr,
nullptr) == PGXP_SRC_NATIVE);
/* --- clip flags packed above the GPU field (Spider-Man 0x8007F31C):
* mfc2 t2,SXY2; subu t9,t2,t4; nor t9,t9,t5; and t2,t2,t5; or t2,t2,t9
* ... and t2,t2,a3; or t2,t2,t9'; sw t2
* The flag ops rewrite bits 14/15 and 30/31 of the word, never the 11-bit
* fields GP0 decodes, so the vertex (and its depth) must survive - in
* BOTH tiers, since bitwise carries are exact. --- */
for (int mode = 0; mode < 2; mode++) {
pgxp_set_cpu_mode(mode);
const uint32_t T2 = 10, T4 = 12, T5 = 13, T9 = 25, A3 = 7;
const uint32_t bounds = (240u << 16) | 128u; /* x >= 128 -> flag */
const uint32_t m14 = 0xBFFFBFFFu, m15 = 0x7FFF7FFFu;
pgxp_gte_push_sxy(X16, Y16, SZ3, PACKED);
psx_pgxp_cop2(nullptr, MFC2(T2, 14), PACKED, 0);
psx_pgxp_load(nullptr, LW(1, T4), 0x80180000u, bounds); /* untracked */
psx_pgxp_alu(nullptr, LUI(T5, 0xBFFF), 0xBFFF0000u, 0, 0);
psx_pgxp_alu(nullptr, ORI(T5, T5, 0xBFFF), m14, 0xBFFF0000u, 0xBFFFu);
uint32_t d = PACKED - bounds;
psx_pgxp_alu(nullptr, SUBU(T2, T4, T9), d, PACKED, bounds);
uint32_t f = ~(d | m14);
psx_pgxp_alu(nullptr, NOR(T9, T5, T9), f, d, m14);
uint32_t w = PACKED & m14;
psx_pgxp_alu(nullptr, AND(T2, T5, T2), w, PACKED, m14);
psx_pgxp_alu(nullptr, OR(T2, T9, T2), w | f, w, f);
w |= f;
CHECK(w == (PACKED | 0x4000u)); /* x flagged */
psx_pgxp_alu(nullptr, AND(T2, A3, T2), w & m15, w, m15);
w &= m15;
psx_pgxp_load(nullptr, LW(1, T9), 0x80180004u, 0x80000000u);
psx_pgxp_alu(nullptr, OR(T2, T9, T2), w | 0x80000000u, w, 0x80000000u);
w |= 0x80000000u;
psx_pgxp_store(nullptr, SW(1, T2), ADDR_B, w);
int32_t x, y; uint16_t z;
CHECK(lookup(ADDR_B, w, 160, 80, &x, &y, &z) == PGXP_SRC_DATAFLOW);
CHECK(x == X16 && y == Y16 && z == SZ3);
uint16_t wz = 0;
CHECK(pgxp_load_precise_word(ADDR_B, w, nullptr, nullptr, &wz) == 1);
CHECK(wz == SZ3);
}
pgxp_set_cpu_mode(0);
/* --- quad from a projected-vertex table (Spider-Man 0x8007C5D4):
* lwc2 SXY0..2 <- table; NCLIP; lwc2 SXYP <- table; NCLIP;
* swc2 SXY0..2 -> packet
* The SXYP write pushes the FIFO; the stored words are corners 1..3. --- */
{
const uint32_t TABLE = 0x80180100u, PKT = 0x80180200u;
uint32_t words[4];
for (uint32_t i = 0; i < 4; i++) {
words[i] = ((80u + i) << 16) | (160u + i);
pgxp_gte_push_sxy((int32_t)((160 + i) << 16) | 0x8000,
(int32_t)((80 + i) << 16) | 0x4000,
(uint16_t)(100 + i), words[i]);
psx_pgxp_cop2(nullptr, SWC2(14), words[i], TABLE + i * 4u);
}
for (uint32_t i = 0; i < 3; i++) { /* lwc2 SXY0..2 */
pgxp_gte_reg_written((int)(12 + i), words[i]);
psx_pgxp_cop2(nullptr, enc_i(0x32, 1, 12 + i, 0), words[i],
TABLE + i * 4u);
}
pgxp_gte_reg_written(15, words[3]); /* lwc2 SXYP: push */
psx_pgxp_cop2(nullptr, enc_i(0x32, 1, 15, 0), words[3], TABLE + 12u);
for (uint32_t i = 0; i < 3; i++)
psx_pgxp_cop2(nullptr, SWC2(12 + i), words[i + 1], PKT + i * 4u);
for (uint32_t i = 0; i < 3; i++) {
int32_t x, y; uint16_t z;
CHECK(lookup(PKT + i * 4u, words[i + 1], 161 + (int32_t)i,
81 + (int32_t)i, &x, &y, &z) == PGXP_SRC_DATAFLOW);
CHECK(x == ((int32_t)((161 + i) << 16) | 0x8000));
CHECK(z == 101 + i);
}
}
/* --- render-pass checkpoint: a sandboxed pass rewrites a packet word
* (raw-restored afterwards); the shadow must come back with it --- */
{
const uint32_t other = (90u << 16) | 170u;
produce_at(ADDR_A);
pgxp_checkpoint_begin();
pgxp_gte_push_sxy((170 << 16) | 0x1000, (90 << 16) | 0x2000, 7, other);
psx_pgxp_cop2(nullptr, SWC2(14), other, ADDR_A);
CHECK(lookup(ADDR_A, other, 170, 90, nullptr, nullptr, nullptr) ==
PGXP_SRC_DATAFLOW); /* the pass sees its own word */
pgxp_invalidate_all(); /* undone by the rollback */
pgxp_suppress_begin(); /* left open by an abort */
pgxp_checkpoint_rollback();
CHECK(pgxp_test_suppress_depth() == 0);
CHECK(pgxp_test_active());
int32_t x, y; uint16_t z;
CHECK(lookup(ADDR_A, PACKED, 160, 80, &x, &y, &z) == PGXP_SRC_DATAFLOW);
CHECK(x == X16 && y == Y16 && z == SZ3);
/* a generation wrap inside the pass cannot be undone: fail closed */
produce_at(ADDR_A);
pgxp_checkpoint_begin();
pgxp_test_set_generation(0xFFFFFFFFu);
pgxp_invalidate_all();
pgxp_checkpoint_rollback();
CHECK(lookup(ADDR_A, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
}
/* --- in-place ops read their source before the destination is reset --- */
pgxp_set_cpu_mode(1);
produce_at(ADDR_A);
psx_pgxp_load(nullptr, LW(1, 8), ADDR_A, PACKED);
psx_pgxp_alu(nullptr, ADDIU(8, 8, 4), PACKED + 4u, PACKED, 4u);
psx_pgxp_store(nullptr, SW(1, 8), ADDR_B, PACKED + 4u);
{
int32_t x, y; uint16_t z;
CHECK(lookup(ADDR_B, PACKED + 4u, 164, 80, &x, &y, &z) ==
PGXP_SRC_DATAFLOW);
CHECK(x == X16 + (4 << 16) && y == Y16);
CHECK(z == SZ3); /* vertex + offset keeps depth */
}
pgxp_set_cpu_mode(0);
/* --- a mask that changes the GPU field does not carry that half --- */
produce_at(ADDR_A);
psx_pgxp_load(nullptr, LW(1, 8), ADDR_A, PACKED);
psx_pgxp_alu(nullptr, ANDI(8, 8, 0x0080), PACKED & 0x80u, PACKED, 0x80u);
psx_pgxp_store(nullptr, SW(1, 8), ADDR_B, PACKED & 0x80u);
CHECK(lookup(ADDR_B, PACKED & 0x80u, 128, 0, nullptr, nullptr, nullptr) !=
PGXP_SRC_DATAFLOW);
CHECK(pgxp_load_precise_word(ADDR_B, PACKED & 0x80u, nullptr, nullptr,
nullptr) == 0);
/* --- a saturated projection is not that half's value: never carried --- */
{
const uint32_t sat = (80u << 16) | 1023u; /* x clamped */
pgxp_gte_push_sxy(2000 << 16, Y16, SZ3, sat);
psx_pgxp_cop2(nullptr, MFC2(10, 14), sat, 0);
psx_pgxp_load(nullptr, LW(1, 25), 0x80180008u, 0); /* untracked 0 */
psx_pgxp_alu(nullptr, OR(10, 25, 10), sat, sat, 0);
psx_pgxp_store(nullptr, SW(1, 10), ADDR_B, sat);
CHECK(pgxp_load_precise_word(ADDR_B, sat, nullptr, nullptr, nullptr) == 0);
}
/* --- SLT-family results are not vertices: the destination resets --- */
pgxp_gte_push_sxy(X16, Y16, SZ3, PACKED);
psx_pgxp_cop2(nullptr, MFC2(10, 14), PACKED, 0);
psx_pgxp_alu(nullptr, SLT(0, 10, 10), 1u, 0, PACKED);
psx_pgxp_store(nullptr, SW(1, 10), ADDR_B, 1u);
CHECK(lookup(ADDR_B, 1u, 1, 0, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
/* --- truncation agreement: integer part must match the native parse --- */
produce_at(ADDR_A);
CHECK(lookup(ADDR_A, PACKED, 161, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
/* --- tolerance clamp --- */
produce_at(ADDR_A);
pgxp_set_tolerance(0.25f); /* fraction is 0.5 -> reject */
CHECK(lookup(ADDR_A, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
pgxp_set_tolerance(0.75f); /* 0.5 <= 0.75 -> accept */
CHECK(lookup(ADDR_A, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_DATAFLOW);
pgxp_set_tolerance(-1.0f);
/* --- fallback tier: no address -> position cache, never a depth --- */
g_fb_valid = 1; g_fb_packed = PACKED; g_fb_x16 = X16; g_fb_y16 = Y16;
{
int32_t x, y; uint16_t z;
CHECK(lookup(0xFFFFFFFFu, PACKED, 160, 80, &x, &y, &z) ==
PGXP_SRC_FALLBACK);
CHECK(x == X16 && y == Y16 && z == 0);
}
g_fb_valid = 0;
/* --- suppression bracket: nothing records inside it --- */
pgxp_invalidate_all();
pgxp_suppress_begin();
produce_at(ADDR_A);
pgxp_suppress_end();
CHECK(lookup(ADDR_A, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
/* --- deferred invalidate inside the bracket --- */
produce_at(ADDR_A);
pgxp_suppress_begin();
pgxp_invalidate_all(); /* deferred */
pgxp_suppress_end(); /* applies here */
CHECK(lookup(ADDR_A, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
/* --- invalidate-all + generation wrap --- */
produce_at(ADDR_A);
pgxp_invalidate_all();
CHECK(lookup(ADDR_A, PACKED, 160, 80, nullptr, nullptr, nullptr) ==
PGXP_SRC_NATIVE);
pgxp_test_set_generation(0xFFFFFFFFu);
pgxp_invalidate_all();
CHECK(pgxp_test_generation() == 1u);
/* --- test accessors mirror the SXY FIFO shadows --- */
pgxp_test_seed_gte_sxy(2, PACKED, X16, Y16, SZ3, 1);
{
uint32_t packed; int32_t x, y; uint16_t z; uint8_t valid;
pgxp_test_get_gte_sxy(2, &packed, &x, &y, &z, &valid);
CHECK(valid && packed == PACKED && x == X16 && y == Y16 && z == SZ3);
pgxp_test_seed_gte_sxy(2, 0, 0, 0, 0, 0);
pgxp_test_get_gte_sxy(2, &packed, &x, &y, &z, &valid);
CHECK(!valid);
}
/* --- stats sanity: dataflow hits were counted --- */
{
PGXPStats st;
pgxp_get_stats(&st);
CHECK(st.lookups > 0);
CHECK(st.dataflow_hit > 0);
CHECK(st.native > 0);
CHECK(st.fallback_hit > 0);
CHECK(st.value_mismatch > 0);
}
if (g_failures) {
std::fprintf(stderr, "test_pgxp: %d FAILURES\n", g_failures);
return 1;
}
std::printf("test_pgxp: all checks passed\n");
return 0;
}
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