From 821adf9e5c962c97e46f3a215c876bc10916e302 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Fri, 21 Nov 2025 16:52:46 +0100
Subject: remove umul

---
 amd64/emit.c | 1 -
 amd64/isel.c | 5 ++---
 2 files changed, 2 insertions(+), 4 deletions(-)

(limited to 'amd64')

diff --git a/amd64/emit.c b/amd64/emit.c
index a7bf542..5a63a61 100644
--- a/amd64/emit.c
+++ b/amd64/emit.c
@@ -1041,7 +1041,6 @@ emitinstr(uchar **pcode, struct function *fn, struct block *blk, int curi, struc
       break;
    case Omul:
       if (kisint(cls))
-   case Oumul:
          Ximul(pcode, cls, reg2oper(ins->reg-1), ref2oper(ins->l), ref2oper(ins->r));
       else
          Xmulf(pcode, cls, reg2oper(ins->reg-1), ref2oper(ins->r));
diff --git a/amd64/isel.c b/amd64/isel.c
index b17e541..2ae9a92 100644
--- a/amd64/isel.c
+++ b/amd64/isel.c
@@ -15,7 +15,6 @@ static const uchar opflags[NOPER] = {
    [Oadd]  = ZF|CLOBF,
    [Osub]  = ZF|CLOBF,
    [Omul]  = CLOBF,
-   [Oumul] = CLOBF,
    [Odiv]  = CLOBF,
    [Oudiv] = CLOBF,
    [Orem]  = CLOBF,
@@ -457,7 +456,7 @@ sel(struct function *fn, struct instr *ins, struct block *blk, int *curi)
          }
       }
       /* fallthru */
-   case Omul: case Oumul:
+   case Omul:
    case Oand: case Oxor: case Oior:
       /* commutative ops */
       if (iscon(ins->l))
@@ -473,7 +472,7 @@ sel(struct function *fn, struct instr *ins, struct block *blk, int *curi)
    case Onot:
    ALU:
       if (!(op == Oadd && kisint(ins->cls))) /* 3-address add is lea */
-      if (!(in_range(op, Omul, Oumul) && kisint(ins->cls) && isimm32(ins->r))) /* for (I)MUL r,r/m,imm */
+      if (!(op == Omul && kisint(ins->cls) && isimm32(ins->r))) /* for (I)MUL r,r/m,imm */
          ins->inplace = 1;
       if (iscon(ins->l)) {
          fixarg(&ins->l, ins, blk, curi);
-- 
cgit v1.2.3