From: Jacob Lifshay <programmerjake@gmail.com>
Date: Wed, 14 Oct 2020 23:52:55 +0000 (-0700)
Subject: add mulli
X-Git-Tag: v0.2.0~8
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=720517cf0ff588aebcf97a5eadc566ab680b0791;p=power-instruction-analyzer.git

add mulli
---

diff --git a/src/instr_models.rs b/src/instr_models.rs
index 8b335b2..5eee177 100644
--- a/src/instr_models.rs
+++ b/src/instr_models.rs
@@ -633,6 +633,16 @@ pub fn moduw(inputs: InstructionInput) -> InstructionResult {
     })
 }
 
+pub fn mulli(inputs: InstructionInput) -> InstructionResult {
+    let ra = inputs.try_get_ra()? as i64;
+    let immediate = inputs.try_get_immediate_s16()? as i64;
+    let result = ra.wrapping_mul(immediate) as u64;
+    Ok(InstructionOutput {
+        rt: Some(result),
+        ..InstructionOutput::default()
+    })
+}
+
 create_instr_variants_ov_cr!(mullw, mullwo, mullw_, mullwo_, i64);
 
 pub fn mullwo(inputs: InstructionInput) -> InstructionResult {
diff --git a/src/lib.rs b/src/lib.rs
index e49374e..e5d26e4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -695,6 +695,11 @@ instructions! {
         "moduw"
     }
 
+    #[enumerant = MulLI]
+    fn mulli(Ra, ImmediateS16) -> (Rt) {
+        "mulli"
+    }
+
     // mullw
     #[enumerant = MulLW]
     fn mullw(Ra, Rb) -> (Rt) {