Re: [PATCH] emulator: add MUL tests

2013-05-20 Thread Gleb Natapov 
On Sat, Feb 09, 2013 at 11:32:25AM +0200, Avi Kivity wrote:
 Signed-off-by: Avi Kivity avi.kiv...@gmail.com
Applied, thanks.

 ---
  x86/emulator.c | 19 ---
  1 file changed, 16 insertions(+), 3 deletions(-)
 
 diff --git a/x86/emulator.c b/x86/emulator.c
 index a128e13..96576e5 100644
 --- a/x86/emulator.c
 +++ b/x86/emulator.c
 @@ -583,9 +583,9 @@ static void test_imul(ulong *mem)
  report(imul rax, mem, imm, a == 0x1D950BDE1D950BC8L);
  }
  
 -static void test_div(long *mem)
 +static void test_muldiv(long *mem)
  {
 -long a, d;
 +long a, d, aa, dd;
  u8 ex = 1;
  
  *mem = 0; a = 1; d = 2;
 @@ -598,6 +598,19 @@ static void test_div(long *mem)
: +a(a), +d(d), +q(ex) : m(*mem));
  report(divq (1),
  a == 0x1ffb1b963b33ul  d == 0x273ba4384ede2ul  !ex);
 +aa = 0x; dd = 0x;
 +*mem = 0x; a = aa; d = dd;
 +asm(mulb %2 : +a(a), +d(d) : m(*mem));
 +report(mulb mem, a == 0x0363  d == dd);
 +*mem = 0x; a = aa; d = dd;
 +asm(mulw %2 : +a(a), +d(d) : m(*mem));
 +report(mulw mem, a == 0xc963  d == 0x0369);
 +*mem = 0x; a = aa; d = dd;
 +asm(mull %2 : +a(a), +d(d) : m(*mem));
 +report(mull mem, a == 0x962fc963  d == 0x369d036);
 +*mem = 0x; a = aa; d = dd;
 +asm(mulq %2 : +a(a), +d(d) : m(*mem));
 +report(mulq mem, a == 0x2fc962fc962fc963  d == 0x369d0369d0369d0);
  }
  
  typedef unsigned __attribute__((vector_size(16))) sse128;
 @@ -934,7 +947,7 @@ int main()
   test_btc(mem);
   test_bsfbsr(mem);
   test_imul(mem);
 - test_div(mem);
 + test_muldiv(mem);
   test_sse(mem);
   test_mmx(mem);
   test_rip_relative(mem, insn_ram);
 -- 
 1.8.1.2

--
Gleb.
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[PATCH] emulator: add MUL tests

2013-02-09 Thread Avi Kivity 
Signed-off-by: Avi Kivity avi.kiv...@gmail.com
---
 x86/emulator.c | 19 ---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/x86/emulator.c b/x86/emulator.c
index a128e13..96576e5 100644
--- a/x86/emulator.c
+++ b/x86/emulator.c
@@ -583,9 +583,9 @@ static void test_imul(ulong *mem)
 report(imul rax, mem, imm, a == 0x1D950BDE1D950BC8L);
 }
 
-static void test_div(long *mem)
+static void test_muldiv(long *mem)
 {
-long a, d;
+long a, d, aa, dd;
 u8 ex = 1;
 
 *mem = 0; a = 1; d = 2;
@@ -598,6 +598,19 @@ static void test_div(long *mem)
 : +a(a), +d(d), +q(ex) : m(*mem));
 report(divq (1),
   a == 0x1ffb1b963b33ul  d == 0x273ba4384ede2ul  !ex);
+aa = 0x; dd = 0x;
+*mem = 0x; a = aa; d = dd;
+asm(mulb %2 : +a(a), +d(d) : m(*mem));
+report(mulb mem, a == 0x0363  d == dd);
+*mem = 0x; a = aa; d = dd;
+asm(mulw %2 : +a(a), +d(d) : m(*mem));
+report(mulw mem, a == 0xc963  d == 0x0369);
+*mem = 0x; a = aa; d = dd;
+asm(mull %2 : +a(a), +d(d) : m(*mem));
+report(mull mem, a == 0x962fc963  d == 0x369d036);
+*mem = 0x; a = aa; d = dd;
+asm(mulq %2 : +a(a), +d(d) : m(*mem));
+report(mulq mem, a == 0x2fc962fc962fc963  d == 0x369d0369d0369d0);
 }
 
 typedef unsigned __attribute__((vector_size(16))) sse128;
@@ -934,7 +947,7 @@ int main()
test_btc(mem);
test_bsfbsr(mem);
test_imul(mem);
-   test_div(mem);
+   test_muldiv(mem);
test_sse(mem);
test_mmx(mem);
test_rip_relative(mem, insn_ram);
-- 
1.8.1.2

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