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authorRichard Henderson2009-12-10 21:04:42 +0100
committerAurelien Jarno2009-12-13 21:26:26 +0100
commit13e4df99ce5a2fde4b8ac9a21c3d98db4c629b7c (patch)
tree632ba4d631f685975d035b375ee77af6c9694db7 /target-alpha/op_helper.c
parenttarget-mips: fix user-mode emulation startup (diff)
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target-alpha: Implement missing MVI instructions.
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-alpha/op_helper.c')
-rw-r--r--target-alpha/op_helper.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c
index 999a8ab46c..08d5924b3b 100644
--- a/target-alpha/op_helper.c
+++ b/target-alpha/op_helper.c
@@ -277,6 +277,174 @@ uint64_t helper_cmpbge (uint64_t op1, uint64_t op2)
return res;
}
+uint64_t helper_minub8 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint8_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_minsb8 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int8_t opa, opb;
+ uint8_t opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_minuw4 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint16_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_minsw4 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int16_t opa, opb;
+ uint16_t opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_maxub8 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint8_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_maxsb8 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int8_t opa, opb;
+ uint8_t opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_maxuw4 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint16_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_maxsw4 (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int16_t opa, opb;
+ uint16_t opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_perr (uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint8_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ if (opa >= opb)
+ opr = opa - opb;
+ else
+ opr = opb - opa;
+ res += opr;
+ }
+ return res;
+}
+
+uint64_t helper_pklb (uint64_t op1)
+{
+ return (op1 & 0xff) | ((op1 >> 24) & 0xff00);
+}
+
+uint64_t helper_pkwb (uint64_t op1)
+{
+ return ((op1 & 0xff)
+ | ((op1 >> 8) & 0xff00)
+ | ((op1 >> 16) & 0xff0000)
+ | ((op1 >> 24) & 0xff000000));
+}
+
+uint64_t helper_unpkbl (uint64_t op1)
+{
+ return (op1 & 0xff) | ((op1 & 0xff00) << 24);
+}
+
+uint64_t helper_unpkbw (uint64_t op1)
+{
+ return ((op1 & 0xff)
+ | ((op1 & 0xff00) << 8)
+ | ((op1 & 0xff0000) << 16)
+ | ((op1 & 0xff000000) << 24));
+}
+
/* Floating point helpers */
/* F floating (VAX) */