i386: Add CCPmode

For testing parity coming out of asm flags.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223026 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a4690b7..f7d9856 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2015-05-11  Richard Henderson  <rth@redhat.com>
 
+       * config/i386/i386-modes.def (CCP): New.
+       * config/i386/i386.c (put_condition_code): Handle it.
+       (ix86_match_ccmode, ix86_cc_modes_compatible): Likewise.
+
+2015-05-11  Richard Henderson  <rth@redhat.com>
+
        * target.def (md_asm_clobbers): Replace with...
        (md_asm_adjust): this.
        * tm.texi.in (TARGET_MD_ASM_CLOBBERS): Remove.

diff --git a/gcc/config/i386/i386-modes.def b/gcc/config/i386/i386-modes.def
index 0b6a1f1..714c138 100644 (file)
--- a/gcc/config/i386/i386-modes.def
+++ b/gcc/config/i386/i386-modes.def
@@ -55,6 +55,7 @@ ADJUST_ALIGNMENT (XF, TARGET_128BIT_LONG_DOUBLE ? 16 : 4);
    Add CCA to indicate that only the Above flag is valid.
    Add CCC to indicate that only the Carry flag is valid.
    Add CCO to indicate that only the Overflow flag is valid.
+   Add CCP to indicate that only the Parity flag is valid.
    Add CCS to indicate that only the Sign flag is valid.
    Add CCZ to indicate that only the Zero flag is valid.  */
 
@@ -64,6 +65,7 @@ CC_MODE (CCNO);
 CC_MODE (CCA);
 CC_MODE (CCC);
 CC_MODE (CCO);
+CC_MODE (CCP);
 CC_MODE (CCS);
 CC_MODE (CCZ);
 CC_MODE (CCFP);

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 70becc0..1f13097 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -14997,21 +14997,21 @@ put_condition_code (enum rtx_code code, machine_mode mode, bool reverse,
        case CCAmode:
          suffix = "a";
          break;
-
        case CCCmode:
          suffix = "c";
          break;
-
        case CCOmode:
          suffix = "o";
          break;
-
+       case CCPmode:
+         suffix = "p";
+         break;
        case CCSmode:
          suffix = "s";
          break;
-
        default:
          suffix = "e";
+         break;
        }
       break;
     case NE:
@@ -15020,21 +15020,21 @@ put_condition_code (enum rtx_code code, machine_mode mode, bool reverse,
        case CCAmode:
          suffix = "na";
          break;
-
        case CCCmode:
          suffix = "nc";
          break;
-
        case CCOmode:
          suffix = "no";
          break;
-
+       case CCPmode:
+         suffix = "np";
+         break;
        case CCSmode:
          suffix = "ns";
          break;
-
        default:
          suffix = "ne";
+         break;
        }
       break;
     case GT:
@@ -19765,6 +19765,7 @@ ix86_match_ccmode (rtx insn, machine_mode req_mode)
     case CCAmode:
     case CCCmode:
     case CCOmode:
+    case CCPmode:
     case CCSmode:
       if (set_mode != req_mode)
        return false;
@@ -19913,6 +19914,7 @@ ix86_cc_modes_compatible (machine_mode m1, machine_mode m2)
     case CCAmode:
     case CCCmode:
     case CCOmode:
+    case CCPmode:
     case CCSmode:
     case CCZmode:
       switch (m2)
@@ -19927,6 +19929,7 @@ ix86_cc_modes_compatible (machine_mode m1, machine_mode m2)
        case CCAmode:
        case CCCmode:
        case CCOmode:
+       case CCPmode:
        case CCSmode:
        case CCZmode:
          return CCmode;