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[PULL,12/27] tcg/s390x: Distinguish RRF-a and RRF-c formats

Message ID 20230107075118.1814503-13-richard.henderson@linaro.org
State Accepted
Commit 1dd06b1aab3949a7904cd91d448d02d39b2dbf47
Headers show
Series [PULL,01/27] tcg/s390x: Use register pair allocation for div and mulu2 | expand

Commit Message

Richard Henderson Jan. 7, 2023, 7:51 a.m. UTC 
One has 3 register arguments; the other has 2 plus an m3 field.

Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/s390x/tcg-target.c.inc | 57 +++++++++++++++++++++-----------------
 1 file changed, 32 insertions(+), 25 deletions(-)
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Patch

diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc
index 6cf07152a5..d38a602dd9 100644
--- a/tcg/s390x/tcg-target.c.inc
+++ b/tcg/s390x/tcg-target.c.inc
@@ -172,18 +172,19 @@  typedef enum S390Opcode {
     RRE_SLBGR   = 0xb989,
     RRE_XGR     = 0xb982,
 
-    RRF_LOCR    = 0xb9f2,
-    RRF_LOCGR   = 0xb9e2,
-    RRF_NRK     = 0xb9f4,
-    RRF_NGRK    = 0xb9e4,
-    RRF_ORK     = 0xb9f6,
-    RRF_OGRK    = 0xb9e6,
-    RRF_SRK     = 0xb9f9,
-    RRF_SGRK    = 0xb9e9,
-    RRF_SLRK    = 0xb9fb,
-    RRF_SLGRK   = 0xb9eb,
-    RRF_XRK     = 0xb9f7,
-    RRF_XGRK    = 0xb9e7,
+    RRFa_NRK    = 0xb9f4,
+    RRFa_NGRK   = 0xb9e4,
+    RRFa_ORK    = 0xb9f6,
+    RRFa_OGRK   = 0xb9e6,
+    RRFa_SRK    = 0xb9f9,
+    RRFa_SGRK   = 0xb9e9,
+    RRFa_SLRK   = 0xb9fb,
+    RRFa_SLGRK  = 0xb9eb,
+    RRFa_XRK    = 0xb9f7,
+    RRFa_XGRK   = 0xb9e7,
+
+    RRFc_LOCR   = 0xb9f2,
+    RRFc_LOCGR  = 0xb9e2,
 
     RR_AR       = 0x1a,
     RR_ALR      = 0x1e,
@@ -538,8 +539,14 @@  static void tcg_out_insn_RRE(TCGContext *s, S390Opcode op,
     tcg_out32(s, (op << 16) | (r1 << 4) | r2);
 }
 
-static void tcg_out_insn_RRF(TCGContext *s, S390Opcode op,
-                             TCGReg r1, TCGReg r2, int m3)
+static void tcg_out_insn_RRFa(TCGContext *s, S390Opcode op,
+                              TCGReg r1, TCGReg r2, TCGReg r3)
+{
+    tcg_out32(s, (op << 16) | (r3 << 12) | (r1 << 4) | r2);
+}
+
+static void tcg_out_insn_RRFc(TCGContext *s, S390Opcode op,
+                              TCGReg r1, TCGReg r2, int m3)
 {
     tcg_out32(s, (op << 16) | (m3 << 12) | (r1 << 4) | r2);
 }
@@ -1324,7 +1331,7 @@  static void tgen_setcond(TCGContext *s, TCGType type, TCGCond cond,
     /* Emit: d = 0, t = 1, d = (cc ? t : d).  */
     tcg_out_movi(s, TCG_TYPE_I64, dest, 0);
     tcg_out_movi(s, TCG_TYPE_I64, TCG_TMP0, 1);
-    tcg_out_insn(s, RRF, LOCGR, dest, TCG_TMP0, cc);
+    tcg_out_insn(s, RRFc, LOCGR, dest, TCG_TMP0, cc);
 }
 
 static void tgen_movcond(TCGContext *s, TCGType type, TCGCond c, TCGReg dest,
@@ -1335,7 +1342,7 @@  static void tgen_movcond(TCGContext *s, TCGType type, TCGCond c, TCGReg dest,
     if (v3const) {
         tcg_out_insn(s, RIE, LOCGHI, dest, v3, cc);
     } else {
-        tcg_out_insn(s, RRF, LOCGR, dest, v3, cc);
+        tcg_out_insn(s, RRFc, LOCGR, dest, v3, cc);
     }
 }
 
@@ -1356,7 +1363,7 @@  static void tgen_clz(TCGContext *s, TCGReg dest, TCGReg a1,
             tcg_out_mov(s, TCG_TYPE_I64, dest, a2);
         }
         /* Emit: if (one bit found) dest = r0.  */
-        tcg_out_insn(s, RRF, LOCGR, dest, TCG_REG_R0, 2);
+        tcg_out_insn(s, RRFc, LOCGR, dest, TCG_REG_R0, 2);
     }
 }
 
@@ -1960,7 +1967,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
         } else if (a0 == a1) {
             tcg_out_insn(s, RR, SR, a0, a2);
         } else {
-            tcg_out_insn(s, RRF, SRK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, SRK, a0, a1, a2);
         }
         break;
 
@@ -1972,7 +1979,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
         } else if (a0 == a1) {
             tcg_out_insn(s, RR, NR, a0, a2);
         } else {
-            tcg_out_insn(s, RRF, NRK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, NRK, a0, a1, a2);
         }
         break;
     case INDEX_op_or_i32:
@@ -1983,7 +1990,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
         } else if (a0 == a1) {
             tcg_out_insn(s, RR, OR, a0, a2);
         } else {
-            tcg_out_insn(s, RRF, ORK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, ORK, a0, a1, a2);
         }
         break;
     case INDEX_op_xor_i32:
@@ -1994,7 +2001,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
         } else if (a0 == a1) {
             tcg_out_insn(s, RR, XR, args[0], args[2]);
         } else {
-            tcg_out_insn(s, RRF, XRK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, XRK, a0, a1, a2);
         }
         break;
 
@@ -2220,7 +2227,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
             a2 = -a2;
             goto do_addi_64;
         } else {
-            tcg_out_insn(s, RRF, SGRK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, SGRK, a0, a1, a2);
         }
         break;
 
@@ -2230,7 +2237,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
             tcg_out_mov(s, TCG_TYPE_I64, a0, a1);
             tgen_andi(s, TCG_TYPE_I64, args[0], args[2]);
         } else {
-            tcg_out_insn(s, RRF, NGRK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, NGRK, a0, a1, a2);
         }
         break;
     case INDEX_op_or_i64:
@@ -2239,7 +2246,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
             tcg_out_mov(s, TCG_TYPE_I64, a0, a1);
             tgen_ori(s, TCG_TYPE_I64, a0, a2);
         } else {
-            tcg_out_insn(s, RRF, OGRK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, OGRK, a0, a1, a2);
         }
         break;
     case INDEX_op_xor_i64:
@@ -2248,7 +2255,7 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
             tcg_out_mov(s, TCG_TYPE_I64, a0, a1);
             tgen_xori(s, TCG_TYPE_I64, a0, a2);
         } else {
-            tcg_out_insn(s, RRF, XGRK, a0, a1, a2);
+            tcg_out_insn(s, RRFa, XGRK, a0, a1, a2);
         }
         break;