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[Qemu-devel] [4946] Fix and improve 64 bit immediate loading
From: |
malc |
Subject: |
[Qemu-devel] [4946] Fix and improve 64 bit immediate loading |
Date: |
Sat, 26 Jul 2008 11:20:51 +0000 |
Revision: 4946
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4946
Author: malc
Date: 2008-07-26 11:20:50 +0000 (Sat, 26 Jul 2008)
Log Message:
-----------
Fix and improve 64 bit immediate loading
Modified Paths:
--------------
trunk/tcg/ppc64/tcg-target.c
Modified: trunk/tcg/ppc64/tcg-target.c
===================================================================
--- trunk/tcg/ppc64/tcg-target.c 2008-07-26 11:20:44 UTC (rev 4945)
+++ trunk/tcg/ppc64/tcg-target.c 2008-07-26 11:20:50 UTC (rev 4946)
@@ -448,15 +448,18 @@
}
else {
if ((uint64_t) arg >> 32) {
+ uint16_t h16 = arg >> 16;
+ uint16_t l16 = arg;
+
tcg_out_movi32 (s, ret, (arg >> 32) + (arg32 < 0));
tcg_out_rld (s, RLDICR, ret, ret, 32, 31);
- if (arg32) {
- tcg_out_movi32 (s, 0, arg32);
- tcg_out32 (s, ADD | TAB (ret, ret, 0));
- }
+ if (h16) tcg_out32 (s, ORIS | RS (ret) | RA (ret) | h16);
+ if (l16) tcg_out32 (s, ORI | RS (ret) | RA (ret) | l16);
}
else {
tcg_out_movi32 (s, ret, arg32);
+ if (arg32 < 0)
+ tcg_out_rld (s, RLDICL, ret, ret, 0, 32);
}
}
}
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