Changes between Version 10 and Version 11 of GcnInstrsSop1

Timestamp:

06/04/17 08:00:22 (7 years ago)

Author:

trac

Comment:

--

GcnInstrsSop1

@@ -323 +323 @@
 <h4>S_ABS_I32</h4>
 <p>Opcode: 52 (0x34) for GCN 1.0/1.1; 48 (0x30) for GCN 1.2<br />
-Syntax: S_NOT_B32 SDST, SSRC0<br />
+Syntax: S_ABS_B32 SDST, SSRC0<br />
 Description: Store absolute signed value of the SSRC0 into SDST.
 If result is non-zero, store 1 to SCC, otherwise store 0 to SCC.<br />
@@ -341 +341 @@
 <h4>S_ANDN2_SAVEEXEC_B64</h4>
 <p>Opcode: 39 (0x27) for GCN 1.0/1.1; 35 (0x23) for GCN 1.2<br />
-Syntax: S_AND_SAVEEXEC_B64 SDST(2), SSRC0(2)<br />
+Syntax: S_ANDN2_SAVEEXEC_B64 SDST(2), SSRC0(2)<br />
 Description: Store EXEC register to SDST. Make bitwise AND on SSRC0 and negated EXEC
 and store result to EXEC. If result is non-zero, store 1 to SCC, otherwise store 0 to SCC.
@@ -347 +347 @@
 Operation:<br />
 <code>SDST = EXEC
-EXEC = SSRC0 &amp; EXEC
+EXEC = SSRC0 &amp; ~EXEC
 SCC = EXEC!=0</code></p>
 <h4>S_BCNT0_I32_B32</h4>
@@ -367 +367 @@
 <h4>S_BCNT1_I32_B32</h4>
 <p>Opcode: 15 (0xf) for GCN 1.0/1.1; 12 (0xc) for GCN 1.2<br />
-Syntax: S_BCNT1_I32_B65 SDST, SSRC0<br />
+Syntax: S_BCNT1_I32_B64 SDST, SSRC0<br />
 Description: Count one bits in SSRC0 and store result to SDST.
 If result is non-zero, store 1 to SCC, otherwise store 0 to SCC.<br />
 Operation:<br />
-<code>SDST = SDST(SSRC0)
+<code>SDST = BITCOUNT(SSRC0)
 SCC = SDST!=0</code></p>
 <h4>S_BCNT1_I32_B64</h4>
@@ -667 +667 @@
 Operation: ???<br />
 <code>PC = TTMP[0:1]</code></p>
+<h4>S_SET_GPR_IDX_IDX</h4>
+<p>Opcode: 50 (0x32) for GCN 1.2<br />
+Syntax S_SET_GPR_IDX_IDX SSRC0(1)<br />
+Description: Move lowest 8 bits from SSRC0 to lowest 8 bits M0.<br />
+Operation:<br />
+<code>M0 = (M0 &amp; 0xffffff00) | (SSRC0 &amp; 0xff)</code></p>
 <h4>S_SETPC_B64</h4>
 <p>Opcode: 32 (0x20) for GCN 1.0/1.1; 29 (0x1d) for GCN 1.2<br />