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authorTimothy Pearson <tpearson@raptorengineering.com>2019-05-11 15:12:49 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2019-05-11 15:12:49 -0500
commit9e80202352dd49bdd9e67b8b906d86f058431505 (patch)
tree5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/roms/openbios/libgcc/__udivmodti4.c
downloadhqemu-master.zip
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Initial import of abandoned HQEMU version 2.5.2HEADmaster
Diffstat (limited to 'src/roms/openbios/libgcc/__udivmodti4.c')
-rw-r--r--src/roms/openbios/libgcc/__udivmodti4.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/roms/openbios/libgcc/__udivmodti4.c b/src/roms/openbios/libgcc/__udivmodti4.c
new file mode 100644
index 0000000..e373c59
--- /dev/null
+++ b/src/roms/openbios/libgcc/__udivmodti4.c
@@ -0,0 +1,31 @@
+#include "libgcc.h"
+
+__uint128_t __udivmodti4(__uint128_t num, __uint128_t den, __uint128_t *rem_p)
+{
+ __uint128_t quot = 0, qbit = 1;
+
+ if ( den == 0 ) {
+ __divide_error();
+ return 0; /* If trap returns... */
+ }
+
+ /* Left-justify denominator and count shift */
+ while ( (__int128_t)den >= 0 ) {
+ den <<= 1;
+ qbit <<= 1;
+ }
+
+ while ( qbit ) {
+ if ( den <= num ) {
+ num -= den;
+ quot += qbit;
+ }
+ den >>= 1;
+ qbit >>= 1;
+ }
+
+ if ( rem_p )
+ *rem_p = num;
+
+ return quot;
+}
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