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authorTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 15:54:21 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 15:54:21 -0500
commit0223e595f4033e91e93403a7317bcc9e47676b8f (patch)
tree2ccd7127bc343f82456b76eeb0da2d380f6eaf65 /arch/mips/lib/ashldi3.c
downloadast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.zip
ast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.tar.gz
Initial import of modified u-boot tree
Original upstream URL: git://git.denx.de/u-boot.git Original upstream GIT hash: 62c175fbb8a0f9a926c88294ea9f7e88eb898f6c
Diffstat (limited to 'arch/mips/lib/ashldi3.c')
-rw-r--r--arch/mips/lib/ashldi3.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c
new file mode 100644
index 0000000..9b50d86
--- /dev/null
+++ b/arch/mips/lib/ashldi3.c
@@ -0,0 +1,25 @@
+#include "libgcc.h"
+
+long long __ashldi3(long long u, word_type b)
+{
+ DWunion uu, w;
+ word_type bm;
+
+ if (b == 0)
+ return u;
+
+ uu.ll = u;
+ bm = 32 - b;
+
+ if (bm <= 0) {
+ w.s.low = 0;
+ w.s.high = (unsigned int) uu.s.low << -bm;
+ } else {
+ const unsigned int carries = (unsigned int) uu.s.low >> bm;
+
+ w.s.low = (unsigned int) uu.s.low << b;
+ w.s.high = ((unsigned int) uu.s.high << b) | carries;
+ }
+
+ return w.ll;
+}
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