From 4a3741bf02eb51c377312bdabc979e5ccbf5bf89 Mon Sep 17 00:00:00 2001
From: grischka <grischka>
Date: Sun, 20 Nov 2016 14:50:56 +0100
Subject: x86_64-asm: =m operand fixes

The problem was with tcctest.c:

    unsigned set;
    __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");

when with tcc compiled with the HAVE_SELINUX option, run with
tcc -run, it would use large addresses far beyond the 32bits
range when tcc did not use the pc-relative mode for accessing
'set' in global data memory.  In fact the assembler did not
know about %rip at all.

Changes:
- memory operands use (%rax) not (%eax)
- conversion from VT_LLOCAL: use type VT_PTR
- support 'k' modifier
- support %rip register
- support X(%rip) pc-relative addresses

The test in tcctest.c is from Michael Matz.
---
 i386-tok.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'i386-tok.h')

diff --git a/i386-tok.h b/i386-tok.h
index fde386f..17d17ce 100644
--- a/i386-tok.h
+++ b/i386-tok.h
@@ -35,6 +35,7 @@
  DEF_ASM(rbp)
  DEF_ASM(rsi)
  DEF_ASM(rdi)
+ DEF_ASM(rip)
 #endif
  DEF_ASM(mm0)
  DEF_ASM(mm1)
-- 
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