Commit 97f97d15c7 for qemu.org
commit 97f97d15c756914152b7bff8ae7d5546f4df6ae9
Author: Richard Henderson <richard.henderson@linaro.org>
Date: Tue Jun 9 12:21:06 2026 -0700
target/arm: Enable FEAT_F8F32MM for -cpu max
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20260609192110.752384-43-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 0bcd707fc1..56da6baed9 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -67,6 +67,7 @@ the following architecture extensions:
- FEAT_EPAC (Enhanced pointer authentication)
- FEAT_ETS2 (Enhanced Translation Synchronization)
- FEAT_EVT (Enhanced Virtualization Traps)
+- FEAT_F8F32MM (8-bit floating-point matrix multiply-accumulate to single-precision)
- FEAT_F32MM (Single-precision Matrix Multiplication)
- FEAT_F64MM (Double-precision Matrix Multiplication)
- FEAT_FAMINMAX (Floating-point maximum and minimum absolute value instructions)
diff --git a/linux-user/aarch64/elfload.c b/linux-user/aarch64/elfload.c
index d40e39169b..7864765ba0 100644
--- a/linux-user/aarch64/elfload.c
+++ b/linux-user/aarch64/elfload.c
@@ -171,6 +171,7 @@ abi_ulong get_elf_hwcap(CPUState *cs)
GET_FEATURE_ID(aa64_rcpc_8_4, ARM_HWCAP_A64_ILRCPC);
GET_FEATURE_ID(aa64_gcs, ARM_HWCAP_A64_GCS);
GET_FEATURE_ID(aa64_cmpbr, ARM_HWCAP_A64_CMPBR);
+ GET_FEATURE_ID(aa64_f8mm8, ARM_HWCAP_A64_F8MM8);
return hwcaps;
}
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 3d73977f1e..0f2ce592d1 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1404,6 +1404,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = GET_IDREG(isar, ID_AA64FPFR0);
t = FIELD_DP64(t, ID_AA64FPFR0, F8E5M2, 1); /* FEAT_FP8 */
t = FIELD_DP64(t, ID_AA64FPFR0, F8E4M3, 1); /* FEAT_FP8 */
+ t = FIELD_DP64(t, ID_AA64FPFR0, F8MM8, 1); /* FEAT_F8F32MM */
t = FIELD_DP64(t, ID_AA64FPFR0, F8DP2, 1); /* FEAT_FP8DOT2 */
t = FIELD_DP64(t, ID_AA64FPFR0, F8DP4, 1); /* FEAT_FP8DOT4 */
t = FIELD_DP64(t, ID_AA64FPFR0, F8FMA, 1); /* FEAT_FP8FMA */