[PATCH] Sparc: Add alternate aliases for conditional branch instructions.

[James Y Knight]

Also add the aliases for fp branches.


http://reviews.llvm.org/D9088

Files:
  lib/Target/Sparc/SparcInstrAliases.td
  test/MC/Sparc/sparc-ctrl-instructions.s

Index: lib/Target/Sparc/SparcInstrAliases.td
===================================================================
--- lib/Target/Sparc/SparcInstrAliases.td
+++ lib/Target/Sparc/SparcInstrAliases.td
@@ -247,15 +247,19 @@
 defm : int_cond_alias<"a",    0b1000>;
 defm : int_cond_alias<"n",    0b0000>;
 defm : int_cond_alias<"ne",   0b1001>;
+defm : int_cond_alias<"nz",   0b1001>; // same as ne
 defm : int_cond_alias<"e",    0b0001>;
+defm : int_cond_alias<"z",    0b0001>; // same as e
 defm : int_cond_alias<"g",    0b1010>;
 defm : int_cond_alias<"le",   0b0010>;
 defm : int_cond_alias<"ge",   0b1011>;
 defm : int_cond_alias<"l",    0b0011>;
 defm : int_cond_alias<"gu",   0b1100>;
 defm : int_cond_alias<"leu",  0b0100>;
 defm : int_cond_alias<"cc",   0b1101>;
+defm : int_cond_alias<"geu",  0b1101>; // same as cc
 defm : int_cond_alias<"cs",   0b0101>;
+defm : int_cond_alias<"lu",   0b0101>; // same as cs
 defm : int_cond_alias<"pos",  0b1110>;
 defm : int_cond_alias<"neg",  0b0110>;
 defm : int_cond_alias<"vc",   0b1111>;
@@ -270,7 +274,9 @@
 defm : fp_cond_alias<"ul",    0b0011>;
 defm : fp_cond_alias<"lg",    0b0010>;
 defm : fp_cond_alias<"ne",    0b0001>;
+defm : fp_cond_alias<"nz",    0b0001>; // same as ne
 defm : fp_cond_alias<"e",     0b1001>;
+defm : fp_cond_alias<"z",     0b1001>; // same as e
 defm : fp_cond_alias<"ue",    0b1010>;
 defm : fp_cond_alias<"ge",    0b1011>;
 defm : fp_cond_alias<"uge",   0b1100>;
Index: test/MC/Sparc/sparc-ctrl-instructions.s
===================================================================
--- test/MC/Sparc/sparc-ctrl-instructions.s
+++ test/MC/Sparc/sparc-ctrl-instructions.s
@@ -52,10 +52,18 @@
         ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         bne .BB0
 
+        ! CHECK: bne .BB0     ! encoding: [0x12,0b10AAAAAA,A,A]
+        ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
+        bnz .BB0
+
         ! CHECK: be .BB0      ! encoding: [0x02,0b10AAAAAA,A,A]
         ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         be .BB0
 
+        ! CHECK: be .BB0      ! encoding: [0x02,0b10AAAAAA,A,A]
+        ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
+        bz .BB0
+
         ! CHECK: bg .BB0      ! encoding: [0x14,0b10AAAAAA,A,A]
         ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         bg .BB0
@@ -84,10 +92,18 @@
         ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         bcc .BB0
 
+        ! CHECK: bcc .BB0      ! encoding: [0x1a,0b10AAAAAA,A,A]
+        ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
+        bgeu .BB0
+
         ! CHECK: bcs .BB0      ! encoding: [0x0a,0b10AAAAAA,A,A]
         ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         bcs .BB0
 
+        ! CHECK: bcs .BB0      ! encoding: [0x0a,0b10AAAAAA,A,A]
+        ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
+        blu .BB0
+
         ! CHECK: bpos .BB0      ! encoding: [0x1c,0b10AAAAAA,A,A]
         ! CHECK-NEXT:         ! fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         bpos .BB0
@@ -131,10 +147,18 @@
         ! CHECK-NEXT:                                        !   fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         fbne .BB0
 
+        ! CHECK:             fbne .BB0                       ! encoding: [0x03,0b10AAAAAA,A,A]
+        ! CHECK-NEXT:                                        !   fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
+        fbnz .BB0
+
         ! CHECK:             fbe .BB0                        ! encoding: [0x13,0b10AAAAAA,A,A]
         ! CHECK-NEXT:                                        !   fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         fbe .BB0
 
+        ! CHECK:             fbe .BB0                        ! encoding: [0x13,0b10AAAAAA,A,A]
+        ! CHECK-NEXT:                                        !   fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
+        fbz .BB0
+
         ! CHECK:             fbue .BB0                       ! encoding: [0x15,0b10AAAAAA,A,A]
         ! CHECK-NEXT:                                        !   fixup A - offset: 0, value: .BB0, kind: fixup_sparc_br22
         fbue .BB0

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