On Mon, Mar 23, 2026 at 7:16 AM Matheus Tavares Bernardino <matheus.bernardino@oss.qualcomm.com> wrote:
Signed-off-by: Matheus Tavares Bernardino <matheus.bernardino@oss.qualcomm.com>
---
 tests/tcg/hexagon/hex_test.h      |  1 +
 tests/tcg/hexagon/fp_hvx_cmp.c    | 58 +++++++++++++++++++++++++++++++
 tests/tcg/hexagon/Makefile.target |  3 ++
 3 files changed, 62 insertions(+)
 create mode 100644 tests/tcg/hexagon/fp_hvx_cmp.c

diff --git a/tests/tcg/hexagon/fp_hvx_cmp.c b/tests/tcg/hexagon/fp_hvx_cmp.c
new file mode 100644
index 0000000000..e925c973f3
--- /dev/null
+++ b/tests/tcg/hexagon/fp_hvx_cmp.c
@@ -0,0 +1,58 @@
+/*
+ *  Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <hexagon_types.h>
+#include <hvx_hexagon_protos.h>
+
+#if __HEXAGON_ARCH__ > 75
+#error "After v75, compiler will replace some FP HVX instructions."
+#endif
+
+int err;
+#include "hvx_misc.h"
+#include "hex_test.h"
+
+#define TEST_CMP(VAL1, VAL2, EXP) do { \
+    ((MMVector *)&buffers[0])->sf[index] = VAL1; \
+    ((MMVector *)&buffers[1])->sf[index] = VAL2; \
+    expect[0].w[index] = EXP ? 0xffffffff : 0; \
+    index++; \
+} while (0)
+
+int main(void)
+{
+    HVX_Vector *hvx_output = (HVX_Vector *)&output[0];
+    HVX_Vector buffers[2], true_vec, false_vec;
+    HVX_VectorPred pred;
+    int index = 0;
+
+    memset(&buffers, 0, sizeof(buffers));
+    memset(expect, 0, sizeof(expect));
+    memset(&true_vec, 0xff, sizeof(true_vec));
+    memset(&false_vec, 0, sizeof(false_vec));
+
+    TEST_CMP(raw_sf(2.2),  raw_sf(2.1),  true);
+    TEST_CMP(raw_sf(2.2),  raw_sf(2.2),  false);
+    TEST_CMP(raw_sf(0),    raw_sf(-2.2), true);
+    TEST_CMP(SF_SNaN,      SF_SNaN,      false);
+    TEST_CMP(SF_INF,       SF_INF_neg,   true);
+    TEST_CMP(SF_INF_neg,   SF_INF,       false);
+    TEST_CMP(SF_SNaN,      SF_QNaN,      false);
+    TEST_CMP(SF_QNaN,      SF_SNaN,      true);
+    TEST_CMP(SF_QNaN,      SF_QNaN_neg,  true);
+
+    pred = Q6_Q_vcmp_gt_VsfVsf(buffers[0], buffers[1]);
+    *hvx_output = Q6_V_vmux_QVV(pred, true_vec, false_vec);
+
+    check_output_sf(__LINE__, 1);
+
+    puts(err ? "FAIL" : "PASS");
+    return err ? 1 : 0;
+}

We should add some half-float tests as well as and/or/xor versions.
Also, check the FP flags.
Finally, we should add another test for bfloat.

Thanks,
Taylor