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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-16 11:59:40 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-16 11:59:40 +0000 |
| commit | 69d357286d0ab5a852e827dad1dc4b05917aaaa8 (patch) | |
| tree | dbf5fae9642821155fdb93539c266e7c5dc12406 /target-mips | |
| parent | 100ce98812c2624a7e7922055d80ebbd81e8caa9 (diff) | |
| download | qemu-69d357286d0ab5a852e827dad1dc4b05917aaaa8.zip qemu-69d357286d0ab5a852e827dad1dc4b05917aaaa8.tar.gz qemu-69d357286d0ab5a852e827dad1dc4b05917aaaa8.tar.bz2 | |
More generic 64 bit multiplication support, by Aurelien Jarno.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2821 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips')
| -rw-r--r-- | target-mips/exec.h | 2 | ||||
| -rw-r--r-- | target-mips/op.c | 4 | ||||
| -rw-r--r-- | target-mips/op_helper.c | 14 |
3 files changed, 2 insertions, 18 deletions
diff --git a/target-mips/exec.h b/target-mips/exec.h index 44314a9..e82b716 100644 --- a/target-mips/exec.h +++ b/target-mips/exec.h @@ -97,8 +97,6 @@ void do_ddiv (void); #if TARGET_LONG_BITS > HOST_LONG_BITS void do_ddivu (void); #endif -void do_dmult (void); -void do_dmultu (void); #endif void do_mfc0_random(void); void do_mfc0_count(void); diff --git a/target-mips/op.c b/target-mips/op.c index ddc3cde..1188e82 100644 --- a/target-mips/op.c +++ b/target-mips/op.c @@ -874,13 +874,13 @@ void op_msubu (void) #ifdef TARGET_MIPS64 void op_dmult (void) { - CALL_FROM_TB0(do_dmult); + CALL_FROM_TB4(muls64, &(env->HI), &(env->LO), T0, T1); RETURN(); } void op_dmultu (void) { - CALL_FROM_TB0(do_dmultu); + CALL_FROM_TB4(mulu64, &(env->HI), &(env->LO), T0, T1); RETURN(); } #endif diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 2dd0f88..9cc55dc 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -228,20 +228,6 @@ void do_div (void) #endif #ifdef TARGET_MIPS64 -void do_dmult (void) -{ - env->LO = (int64_t)T0 * (int64_t)T1; - /* XXX */ - env->HI = (env->LO | (1ULL << 63)) ? ~0ULL : 0ULL; -} - -void do_dmultu (void) -{ - env->LO = T0 * T1; - /* XXX */ - env->HI = 0; -} - void do_ddiv (void) { if (T1 != 0) { |