Merge tag 'pull-ppc-20231121' of https://github.com/legoater/qemu into staging

ppc queue:

* PNV I2C fixes
* VSX instruction fix when converting floating point to integer values

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* tag 'pull-ppc-20231121' of https://github.com/legoater/qemu:
  ppc/pnv: Fix PNV I2C invalid status after reset
  ppc/pnv: PNV I2C engines assigned incorrect XSCOM addresses
  target/ppc: Fix bugs in VSX_CVT_FP_TO_INT and VSX_CVT_FP_TO_INT2 macros
  ppc/pnv: Fix potential overflow in I2C model

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

5 files changed, 343 insertions, 32 deletions

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 9c29727..0297871 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -1623,7 +1623,8 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
             return;
         }
         pnv_xscom_add_subregion(chip, PNV9_XSCOM_I2CM_BASE +
-                               chip9->i2c[i].engine * PNV9_XSCOM_I2CM_SIZE,
+                                (chip9->i2c[i].engine - 1) *
+                                        PNV9_XSCOM_I2CM_SIZE,
                                 &chip9->i2c[i].xscom_regs);
         qdev_connect_gpio_out(DEVICE(&chip9->i2c[i]), 0,
                               qdev_get_gpio_in(DEVICE(&chip9->psi),
@@ -1871,7 +1872,8 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
             return;
         }
         pnv_xscom_add_subregion(chip, PNV10_XSCOM_I2CM_BASE +
-                                chip10->i2c[i].engine * PNV10_XSCOM_I2CM_SIZE,
+                                (chip10->i2c[i].engine - 1) *
+                                        PNV10_XSCOM_I2CM_SIZE,
                                 &chip10->i2c[i].xscom_regs);
         qdev_connect_gpio_out(DEVICE(&chip10->i2c[i]), 0,
                               qdev_get_gpio_in(DEVICE(&chip10->psi),
diff --git a/hw/ppc/pnv_i2c.c b/hw/ppc/pnv_i2c.c
index f75e59e..656a48e 100644
--- a/hw/ppc/pnv_i2c.c
+++ b/hw/ppc/pnv_i2c.c
@@ -151,6 +151,7 @@
 #define I2C_RESET_S_SDA_REG             0x11
 
 #define PNV_I2C_FIFO_SIZE 8
+#define PNV_I2C_MAX_BUSSES 64
 
 static I2CBus *pnv_i2c_get_bus(PnvI2C *i2c)
 {
@@ -437,7 +438,7 @@ static uint64_t pnv_i2c_xscom_read(void *opaque, hwaddr addr,
     case I2C_PORT_BUSY_REG: /* compute busy bit for each port  */
         val = 0;
         for (i = 0; i < i2c->num_busses; i++) {
-            val |= i2c_bus_busy(i2c->busses[i]) << i;
+            val |= (uint64_t)i2c_bus_busy(i2c->busses[i]) << i;
         }
         break;
 
@@ -462,6 +463,23 @@ static uint64_t pnv_i2c_xscom_read(void *opaque, hwaddr addr,
     return val;
 }
 
+static void pnv_i2c_reset(void *dev)
+{
+    PnvI2C *i2c = PNV_I2C(dev);
+
+    memset(i2c->regs, 0, sizeof(i2c->regs));
+
+    i2c->regs[I2C_STAT_REG] =
+        SETFIELD(I2C_STAT_UPPER_THRS, 0ull, i2c->num_busses - 1) |
+        I2C_STAT_CMD_COMP | I2C_STAT_SCL_INPUT_LEVEL |
+        I2C_STAT_SDA_INPUT_LEVEL;
+    i2c->regs[I2C_EXTD_STAT_REG] =
+        SETFIELD(I2C_EXTD_STAT_FIFO_SIZE, 0ull, PNV_I2C_FIFO_SIZE) |
+        SETFIELD(I2C_EXTD_STAT_I2C_VERSION, 0ull, 23); /* last version */
+
+    fifo8_reset(&i2c->fifo);
+}
+
 static void pnv_i2c_xscom_write(void *opaque, hwaddr addr,
                                 uint64_t val, unsigned size)
 {
@@ -499,16 +517,7 @@ static void pnv_i2c_xscom_write(void *opaque, hwaddr addr,
         break;
 
     case I2C_RESET_I2C_REG:
-        i2c->regs[I2C_MODE_REG] = 0;
-        i2c->regs[I2C_CMD_REG] = 0;
-        i2c->regs[I2C_WATERMARK_REG] = 0;
-        i2c->regs[I2C_INTR_MASK_REG] = 0;
-        i2c->regs[I2C_INTR_COND_REG] = 0;
-        i2c->regs[I2C_INTR_RAW_COND_REG] = 0;
-        i2c->regs[I2C_STAT_REG] = 0;
-        i2c->regs[I2C_RESIDUAL_LEN_REG] = 0;
-        i2c->regs[I2C_EXTD_STAT_REG] &=
-            (I2C_EXTD_STAT_FIFO_SIZE | I2C_EXTD_STAT_I2C_VERSION);
+        pnv_i2c_reset(i2c);
         break;
 
     case I2C_RESET_ERRORS:
@@ -593,7 +602,7 @@ static int pnv_i2c_dt_xscom(PnvXScomInterface *dev, void *fdt,
     int i2c_offset;
     const char i2c_compat[] = "ibm,power8-i2cm\0ibm,power9-i2cm";
     uint32_t i2c_pcba = PNV9_XSCOM_I2CM_BASE +
-        i2c->engine * PNV9_XSCOM_I2CM_SIZE;
+        (i2c->engine - 1) * PNV9_XSCOM_I2CM_SIZE;
     uint32_t reg[2] = {
         cpu_to_be32(i2c_pcba),
         cpu_to_be32(PNV9_XSCOM_I2CM_SIZE)
@@ -620,20 +629,6 @@ static int pnv_i2c_dt_xscom(PnvXScomInterface *dev, void *fdt,
     return 0;
 }
 
-static void pnv_i2c_reset(void *dev)
-{
-    PnvI2C *i2c = PNV_I2C(dev);
-
-    memset(i2c->regs, 0, sizeof(i2c->regs));
-
-    i2c->regs[I2C_STAT_REG] = I2C_STAT_CMD_COMP;
-    i2c->regs[I2C_EXTD_STAT_REG] =
-        SETFIELD(I2C_EXTD_STAT_FIFO_SIZE, 0ull, PNV_I2C_FIFO_SIZE) |
-        SETFIELD(I2C_EXTD_STAT_I2C_VERSION, 0ull, 23); /* last version */
-
-    fifo8_reset(&i2c->fifo);
-}
-
 static void pnv_i2c_realize(DeviceState *dev, Error **errp)
 {
     PnvI2C *i2c = PNV_I2C(dev);
@@ -641,6 +636,11 @@ static void pnv_i2c_realize(DeviceState *dev, Error **errp)
 
     assert(i2c->chip);
 
+    if (i2c->num_busses > PNV_I2C_MAX_BUSSES) {
+        error_setg(errp, "Invalid number of busses: %u", i2c->num_busses);
+        return;
+    }
+
     pnv_xscom_region_init(&i2c->xscom_regs, OBJECT(i2c), &pnv_i2c_xscom_ops,
                           i2c, "xscom-i2c", PNV9_XSCOM_I2CM_SIZE);
 
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 03150a0..4b3dcad 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -2880,20 +2880,22 @@ uint64_t helper_XSCVSPDPN(uint64_t xb)
 #define VSX_CVT_FP_TO_INT(op, nels, stp, ttp, sfld, tfld, sfi, rnan)         \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)             \
 {                                                                            \
+    int all_flags = 0;                                                       \
     ppc_vsr_t t = { };                                                       \
     int i, flags;                                                            \
                                                                              \
-    helper_reset_fpstatus(env);                                              \
-                                                                             \
     for (i = 0; i < nels; i++) {                                             \
+        helper_reset_fpstatus(env);                                          \
         t.tfld = stp##_to_##ttp##_round_to_zero(xb->sfld, &env->fp_status);  \
         flags = env->fp_status.float_exception_flags;                        \
+        all_flags |= flags;                                                  \
         if (unlikely(flags & float_flag_invalid)) {                          \
             t.tfld = float_invalid_cvt(env, flags, t.tfld, rnan, 0, GETPC());\
         }                                                                    \
     }                                                                        \
                                                                              \
     *xt = t;                                                                 \
+    env->fp_status.float_exception_flags = all_flags;                        \
     do_float_check_status(env, sfi, GETPC());                                \
 }
 
@@ -2945,15 +2947,16 @@ VSX_CVT_FP_TO_INT128(XSCVQPSQZ, int128, 0x8000000000000000ULL);
 #define VSX_CVT_FP_TO_INT2(op, nels, stp, ttp, sfi, rnan)                    \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)             \
 {                                                                            \
+    int all_flags = 0;                                                       \
     ppc_vsr_t t = { };                                                       \
     int i, flags;                                                            \
                                                                              \
-    helper_reset_fpstatus(env);                                              \
-                                                                             \
     for (i = 0; i < nels; i++) {                                             \
+        helper_reset_fpstatus(env);                                          \
         t.VsrW(2 * i) = stp##_to_##ttp##_round_to_zero(xb->VsrD(i),          \
                                                        &env->fp_status);     \
         flags = env->fp_status.float_exception_flags;                        \
+        all_flags |= flags;                                                  \
         if (unlikely(flags & float_flag_invalid)) {                          \
             t.VsrW(2 * i) = float_invalid_cvt(env, flags, t.VsrW(2 * i),     \
                                               rnan, 0, GETPC());             \
@@ -2962,6 +2965,7 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)             \
     }                                                                        \
                                                                              \
     *xt = t;                                                                 \
+    env->fp_status.float_exception_flags = all_flags;                        \
     do_float_check_status(env, sfi, GETPC());                                \
 }
 
diff --git a/tests/tcg/ppc64/Makefile.target b/tests/tcg/ppc64/Makefile.target
index 1d08076..ca8b929 100644
--- a/tests/tcg/ppc64/Makefile.target
+++ b/tests/tcg/ppc64/Makefile.target
@@ -16,6 +16,11 @@ PPC64_TESTS=bcdsub non_signalling_xscv
 endif
 $(PPC64_TESTS): CFLAGS += -mpower8-vector
 
+ifneq ($(CROSS_CC_HAS_POWER8_VECTOR),)
+PPC64_TESTS += vsx_f2i_nan
+endif
+vsx_f2i_nan: CFLAGS += -mpower8-vector -I$(SRC_PATH)/include
+
 PPC64_TESTS += mtfsf
 PPC64_TESTS += mffsce
 
diff --git a/tests/tcg/ppc64/vsx_f2i_nan.c b/tests/tcg/ppc64/vsx_f2i_nan.c
new file mode 100644
index 0000000..94b1a4e
--- /dev/null
+++ b/tests/tcg/ppc64/vsx_f2i_nan.c
@@ -0,0 +1,300 @@
+#include <stdio.h>
+#include "qemu/compiler.h"
+
+typedef vector float vsx_float32_vec_t;
+typedef vector double vsx_float64_vec_t;
+typedef vector signed int vsx_int32_vec_t;
+typedef vector unsigned int vsx_uint32_vec_t;
+typedef vector signed long long vsx_int64_vec_t;
+typedef vector unsigned long long vsx_uint64_vec_t;
+
+#define DEFINE_VSX_F2I_FUNC(SRC_T, DEST_T, INSN)                       \
+static inline vsx_##DEST_T##_vec_t                                     \
+    vsx_convert_##SRC_T##_vec_to_##DEST_T##_vec(vsx_##SRC_T##_vec_t v) \
+{                                                                      \
+    vsx_##DEST_T##_vec_t result;                                       \
+    asm(#INSN " %x0, %x1" : "=wa" (result) : "wa" (v));                \
+    return result;                                                     \
+}
+
+DEFINE_VSX_F2I_FUNC(float32, int32, xvcvspsxws)
+DEFINE_VSX_F2I_FUNC(float32, uint32, xvcvspuxws)
+DEFINE_VSX_F2I_FUNC(float32, int64, xvcvspsxds)
+DEFINE_VSX_F2I_FUNC(float32, uint64, xvcvspuxds)
+DEFINE_VSX_F2I_FUNC(float64, int32, xvcvdpsxws)
+DEFINE_VSX_F2I_FUNC(float64, uint32, xvcvdpuxws)
+DEFINE_VSX_F2I_FUNC(float64, int64, xvcvdpsxds)
+DEFINE_VSX_F2I_FUNC(float64, uint64, xvcvdpuxds)
+
+static inline vsx_float32_vec_t vsx_float32_is_nan(vsx_float32_vec_t v)
+{
+    vsx_float32_vec_t abs_v;
+    vsx_float32_vec_t result_mask;
+    const vsx_uint32_vec_t f32_pos_inf_bits = {0x7F800000U, 0x7F800000U,
+                                               0x7F800000U, 0x7F800000U};
+
+    asm("xvabssp %x0, %x1" : "=wa" (abs_v) : "wa" (v));
+    asm("vcmpgtuw %0, %1, %2"
+        : "=v" (result_mask)
+        : "v" (abs_v), "v" (f32_pos_inf_bits));
+    return result_mask;
+}
+
+static inline vsx_float64_vec_t vsx_float64_is_nan(vsx_float64_vec_t v)
+{
+    vsx_float64_vec_t abs_v;
+    vsx_float64_vec_t result_mask;
+    const vsx_uint64_vec_t f64_pos_inf_bits = {0x7FF0000000000000ULL,
+                                               0x7FF0000000000000ULL};
+
+    asm("xvabsdp %x0, %x1" : "=wa" (abs_v) : "wa" (v));
+    asm("vcmpgtud %0, %1, %2"
+        : "=v" (result_mask)
+        : "v" (abs_v), "v" (f64_pos_inf_bits));
+    return result_mask;
+}
+
+#define DEFINE_VSX_BINARY_LOGICAL_OP_INSN(LANE_TYPE, OP_NAME, OP_INSN)    \
+static inline vsx_##LANE_TYPE##_vec_t vsx_##LANE_TYPE##_##OP_NAME(        \
+    vsx_##LANE_TYPE##_vec_t a, vsx_##LANE_TYPE##_vec_t b)                 \
+{                                                                         \
+    vsx_##LANE_TYPE##_vec_t result;                                       \
+    asm(#OP_INSN " %x0, %x1, %x2" : "=wa" (result) : "wa" (a), "wa" (b)); \
+    return result;                                                        \
+}
+
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(float32, logical_and, xxland)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(float64, logical_and, xxland)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(int32, logical_and, xxland)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(uint32, logical_and, xxland)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(int64, logical_and, xxland)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(uint64, logical_and, xxland)
+
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(float32, logical_andc, xxlandc)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(float64, logical_andc, xxlandc)
+
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(float32, logical_or, xxlor)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(float64, logical_or, xxlor)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(int32, logical_or, xxlor)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(uint32, logical_or, xxlor)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(int64, logical_or, xxlor)
+DEFINE_VSX_BINARY_LOGICAL_OP_INSN(uint64, logical_or, xxlor)
+
+static inline vsx_int32_vec_t vsx_mask_out_float32_vec_to_int32_vec(
+    vsx_int32_vec_t v)
+{
+    return v;
+}
+static inline vsx_uint32_vec_t vsx_mask_out_float32_vec_to_uint32_vec(
+    vsx_uint32_vec_t v)
+{
+    return v;
+}
+static inline vsx_int64_vec_t vsx_mask_out_float32_vec_to_int64_vec(
+    vsx_int64_vec_t v)
+{
+    return v;
+}
+static inline vsx_uint64_vec_t vsx_mask_out_float32_vec_to_uint64_vec(
+    vsx_uint64_vec_t v)
+{
+    return v;
+}
+
+static inline vsx_int32_vec_t vsx_mask_out_float64_vec_to_int32_vec(
+    vsx_int32_vec_t v)
+{
+#if HOST_BIG_ENDIAN
+    const vsx_int32_vec_t valid_lanes_mask = {-1, 0, -1, 0};
+#else
+    const vsx_int32_vec_t valid_lanes_mask = {0, -1, 0, -1};
+#endif
+
+    return vsx_int32_logical_and(v, valid_lanes_mask);
+}
+
+static inline vsx_uint32_vec_t vsx_mask_out_float64_vec_to_uint32_vec(
+    vsx_uint32_vec_t v)
+{
+    return (vsx_uint32_vec_t)vsx_mask_out_float64_vec_to_int32_vec(
+        (vsx_int32_vec_t)v);
+}
+
+static inline vsx_int64_vec_t vsx_mask_out_float64_vec_to_int64_vec(
+    vsx_int64_vec_t v)
+{
+    return v;
+}
+static inline vsx_uint64_vec_t vsx_mask_out_float64_vec_to_uint64_vec(
+    vsx_uint64_vec_t v)
+{
+    return v;
+}
+
+static inline void print_vsx_float32_vec_elements(FILE *stream,
+                                                  vsx_float32_vec_t vec)
+{
+    fprintf(stream, "%g, %g, %g, %g", (double)vec[0], (double)vec[1],
+            (double)vec[2], (double)vec[3]);
+}
+
+static inline void print_vsx_float64_vec_elements(FILE *stream,
+                                                  vsx_float64_vec_t vec)
+{
+    fprintf(stream, "%.17g, %.17g", vec[0], vec[1]);
+}
+
+static inline void print_vsx_int32_vec_elements(FILE *stream,
+                                                vsx_int32_vec_t vec)
+{
+    fprintf(stream, "%d, %d, %d, %d", vec[0], vec[1], vec[2], vec[3]);
+}
+
+static inline void print_vsx_uint32_vec_elements(FILE *stream,
+                                                 vsx_uint32_vec_t vec)
+{
+    fprintf(stream, "%u, %u, %u, %u", vec[0], vec[1], vec[2], vec[3]);
+}
+
+static inline void print_vsx_int64_vec_elements(FILE *stream,
+                                                vsx_int64_vec_t vec)
+{
+    fprintf(stream, "%lld, %lld", vec[0], vec[1]);
+}
+
+static inline void print_vsx_uint64_vec_elements(FILE *stream,
+                                                 vsx_uint64_vec_t vec)
+{
+    fprintf(stream, "%llu, %llu", vec[0], vec[1]);
+}
+
+#define DEFINE_VSX_ALL_EQ_FUNC(LANE_TYPE, CMP_INSN)                   \
+static inline int vsx_##LANE_TYPE##_all_eq(vsx_##LANE_TYPE##_vec_t a, \
+                                           vsx_##LANE_TYPE##_vec_t b) \
+{                                                                     \
+    unsigned result;                                                  \
+    vsx_##LANE_TYPE##_vec_t is_eq_mask_vec;                           \
+    asm(#CMP_INSN ". %0, %2, %3\n\t"                                  \
+        "mfocrf %1, 2"                                                \
+        : "=v" (is_eq_mask_vec), "=r" (result)                        \
+        : "v" (a), "v" (b)                                            \
+        : "cr6");                                                     \
+    return (int)((result >> 7) & 1u);                                 \
+}
+
+DEFINE_VSX_ALL_EQ_FUNC(int32, vcmpequw)
+DEFINE_VSX_ALL_EQ_FUNC(uint32, vcmpequw)
+DEFINE_VSX_ALL_EQ_FUNC(int64, vcmpequd)
+DEFINE_VSX_ALL_EQ_FUNC(uint64, vcmpequd)
+
+#define DEFINE_VSX_F2I_TEST_FUNC(SRC_T, DEST_T)                          \
+static inline int test_vsx_conv_##SRC_T##_vec_to_##DEST_T##_vec(         \
+    vsx_##SRC_T##_vec_t src_v)                                           \
+{                                                                        \
+    const vsx_##SRC_T##_vec_t is_nan_mask = vsx_##SRC_T##_is_nan(src_v); \
+    const vsx_##SRC_T##_vec_t nan_src_v =                                \
+        vsx_##SRC_T##_logical_and(src_v, is_nan_mask);                   \
+    const vsx_##SRC_T##_vec_t non_nan_src_v =                            \
+        vsx_##SRC_T##_logical_andc(src_v, is_nan_mask);                  \
+                                                                         \
+    const vsx_##DEST_T##_vec_t expected_result =                         \
+        vsx_mask_out_##SRC_T##_vec_to_##DEST_T##_vec(                    \
+            vsx_##DEST_T##_logical_or(                                   \
+                vsx_convert_##SRC_T##_vec_to_##DEST_T##_vec(nan_src_v),  \
+                vsx_convert_##SRC_T##_vec_to_##DEST_T##_vec(             \
+                    non_nan_src_v)));                                    \
+    const vsx_##DEST_T##_vec_t actual_result =                           \
+        vsx_mask_out_##SRC_T##_vec_to_##DEST_T##_vec(                    \
+            vsx_convert_##SRC_T##_vec_to_##DEST_T##_vec(src_v));         \
+    const int test_result =                                              \
+        vsx_##DEST_T##_all_eq(expected_result, actual_result);           \
+                                                                         \
+    if (unlikely(test_result == 0)) {                                    \
+        fputs("FAIL: Conversion of " #SRC_T " vector to " #DEST_T        \
+              " vector failed\n", stdout);                               \
+        fputs("Source values: ", stdout);                                \
+        print_vsx_##SRC_T##_vec_elements(stdout, src_v);                 \
+        fputs("\nExpected result: ", stdout);                            \
+        print_vsx_##DEST_T##_vec_elements(stdout, expected_result);      \
+        fputs("\nActual result: ", stdout);                              \
+        print_vsx_##DEST_T##_vec_elements(stdout, actual_result);        \
+        fputs("\n\n", stdout);                                           \
+    }                                                                    \
+                                                                         \
+    return test_result;                                                  \
+}
+
+
+DEFINE_VSX_F2I_TEST_FUNC(float32, int32)
+DEFINE_VSX_F2I_TEST_FUNC(float32, uint32)
+DEFINE_VSX_F2I_TEST_FUNC(float32, int64)
+DEFINE_VSX_F2I_TEST_FUNC(float32, uint64)
+DEFINE_VSX_F2I_TEST_FUNC(float64, int32)
+DEFINE_VSX_F2I_TEST_FUNC(float64, uint32)
+DEFINE_VSX_F2I_TEST_FUNC(float64, int64)
+DEFINE_VSX_F2I_TEST_FUNC(float64, uint64)
+
+static inline vsx_int32_vec_t vsx_int32_vec_from_mask(int mask)
+{
+    const vsx_int32_vec_t bits_to_test = {1, 2, 4, 8};
+    const vsx_int32_vec_t vec_mask = {mask, mask, mask, mask};
+    vsx_int32_vec_t result;
+
+    asm("vcmpequw %0, %1, %2"
+        : "=v" (result)
+        : "v" (vsx_int32_logical_and(vec_mask, bits_to_test)),
+          "v" (bits_to_test));
+    return result;
+}
+
+static inline vsx_int64_vec_t vsx_int64_vec_from_mask(int mask)
+{
+    const vsx_int64_vec_t bits_to_test = {1, 2};
+    const vsx_int64_vec_t vec_mask = {mask, mask};
+    vsx_int64_vec_t result;
+
+    asm("vcmpequd %0, %1, %2"
+        : "=v" (result)
+        : "v" (vsx_int64_logical_and(vec_mask, bits_to_test)),
+          "v" (bits_to_test));
+    return result;
+}
+
+int main(void)
+{
+    const vsx_float32_vec_t f32_iota1 = {1.0f, 2.0f, 3.0f, 4.0f};
+    const vsx_float64_vec_t f64_iota1 = {1.0, 2.0};
+
+    int num_of_tests_failed = 0;
+
+    for (int i = 0; i < 16; i++) {
+        const vsx_int32_vec_t nan_mask = vsx_int32_vec_from_mask(i);
+        const vsx_float32_vec_t f32_v =
+            vsx_float32_logical_or(f32_iota1, (vsx_float32_vec_t)nan_mask);
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float32_vec_to_int32_vec(f32_v));
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float32_vec_to_int64_vec(f32_v));
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float32_vec_to_uint32_vec(f32_v));
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float32_vec_to_uint64_vec(f32_v));
+    }
+
+    for (int i = 0; i < 4; i++) {
+        const vsx_int64_vec_t nan_mask = vsx_int64_vec_from_mask(i);
+        const vsx_float64_vec_t f64_v =
+            vsx_float64_logical_or(f64_iota1, (vsx_float64_vec_t)nan_mask);
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float64_vec_to_int32_vec(f64_v));
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float64_vec_to_int64_vec(f64_v));
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float64_vec_to_uint32_vec(f64_v));
+        num_of_tests_failed +=
+            (int)(!test_vsx_conv_float64_vec_to_uint64_vec(f64_v));
+    }
+
+    printf("%d tests failed\n", num_of_tests_failed);
+    return (int)(num_of_tests_failed != 0);
+}