On 8/12/2026 2:44 PM, Max Chou wrote:
From: Frank Chang <[email protected]>

Add SiFive custom int8 matmul extension implied rules to enable the
implied extensions of SiFive custom int8 matmul extension recursively.

Signed-off-by: Frank Chang <[email protected]>
Signed-off-by: Max Chou <[email protected]>
---

Reviewed-by: Daniel Henrique Barboza <[email protected]>

  target/riscv/cpu.c | 20 ++++++++++++++++++++
  1 file changed, 20 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index fffb92ff110..265a92a8b7f 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -2811,6 +2811,24 @@ static RISCVCPUImpliedExtsRule ZVFBFA_IMPLIED = {
      },
  };
+static RISCVCPUImpliedExtsRule XSFVQMACCDOD_IMPLIED = {
+    .ext = CPU_CFG_OFFSET(ext_xsfvqmaccdod),
+    .implied_multi_exts = {
+        CPU_CFG_OFFSET(ext_zve32x),
+
+        RISCV_IMPLIED_EXTS_RULE_END
+    },
+};
+
+static RISCVCPUImpliedExtsRule XSFVQMACCQOQ_IMPLIED = {
+    .ext = CPU_CFG_OFFSET(ext_xsfvqmaccqoq),
+    .implied_multi_exts = {
+        CPU_CFG_OFFSET(ext_zve32x),
+
+        RISCV_IMPLIED_EXTS_RULE_END
+    },
+};
+
  RISCVCPUImpliedExtsRule *riscv_misa_ext_implied_rules[] = {
      &RVA_IMPLIED, &RVD_IMPLIED, &RVF_IMPLIED,
      &RVM_IMPLIED, &RVV_IMPLIED, &RVG_IMPLIED,
@@ -2862,6 +2880,8 @@ RISCVCPUImpliedExtsRule *riscv_multi_ext_implied_rules[] 
= {
      &SMCTR_IMPLIED,
      &SSCTR_IMPLIED,
      &SSSTATEEN_IMPLIED,
+    &XSFVQMACCDOD_IMPLIED,
+    &XSFVQMACCQOQ_IMPLIED,
      NULL
  };


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