From 0d9376da70d984c2a6d60838ec07075a3e6504e3 Mon Sep 17 00:00:00 2001
From: Joe Soroka <gits@joesoroka.com>
Date: Tue, 1 Feb 2011 15:53:48 -0800
Subject: [PATCH] tccasm: accept bracketed offset expressions

---
 i386-asm.c      | 16 ++++++++++++++--
 tests/asmtest.S |  1 +
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/i386-asm.c b/i386-asm.c
index 2623ef6..4d2f9b8 100644
--- a/i386-asm.c
+++ b/i386-asm.c
@@ -376,8 +376,20 @@ static void parse_operand(TCCState *s1, Operand *op)
             op->e.v = e.v;
             op->e.sym = e.sym;
         } else {
-            op->e.v = 0;
-            op->e.sym = NULL;
+            next();
+            if (tok == '%') {
+                unget_tok('(');
+                op->e.v = 0;
+                op->e.sym = NULL;
+            } else {
+                /* bracketed offset expression */
+                asm_expr(s1, &e);
+                if (tok != ')')
+                    expect(")");
+                next();
+                op->e.v = e.v;
+                op->e.sym = e.sym;
+            }
         }
         if (tok == '(') {
             next();
diff --git a/tests/asmtest.S b/tests/asmtest.S
index 5bc8950..7f204cf 100644
--- a/tests/asmtest.S
+++ b/tests/asmtest.S
@@ -122,6 +122,7 @@ addl $0x123, 0x100
 addl $0x123, 0x100(%ebx)
 addl $0x123, 0x100(%ebx,%edx,2)
 addl $0x123, 0x100(%esp)
+addl $0x123, (3*8)(%esp)
 addl $0x123, (%ebp)
 addl $0x123, (%esp)
 cmpl $0x123, (%esp)