gwj / at91sam9263 · Commits

Commit 5bf06a9528698aa426a32f16e1ae3098b0239d63

Authored by aurel32
1 parent 66029f6a

target-ppc: fix mullw/mullwo 

Based on patch by Julian Seward.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5379 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 2 changed files with 5 additions and 1 deletions
target-ppc/op.c
  View file @5bf06a9
@@ -798,7 +798,11 @@ void OPPROTO op_mulli (void) @@ -798,7 +798,11 @@ void OPPROTO op_mulli (void)
798 /* multiply low word */ 798 /* multiply low word */
799 void OPPROTO op_mullw (void) 799 void OPPROTO op_mullw (void)
800 { 800 {
  801 +#if defined(TARGET_PPC64)
  802 + T0 = (int64_t)(int32_t)T0 * (int64_t)(int32_t)T1;
  803 +#else
801 T0 = (int32_t)(T0 * T1); 804 T0 = (int32_t)(T0 * T1);
  805 +#endif
802 RETURN(); 806 RETURN();
803 } 807 }
804 808
target-ppc/op_helper.c
  View file @5bf06a9
@@ -227,7 +227,7 @@ void do_divduo (void) @@ -227,7 +227,7 @@ void do_divduo (void)
227 227
228 void do_mullwo (void) 228 void do_mullwo (void)
229 { 229 {
230 - int64_t res = (int64_t)T0 * (int64_t)T1; 230 + int64_t res = (int64_t)(int32_t)T0 * (int64_t)(int32_t)T1;
231 231
232 if (likely((int32_t)res == res)) { 232 if (likely((int32_t)res == res)) {
233 xer_ov = 0; 233 xer_ov = 0;