s390.md: Add comments with the instructions emitted by an insn pattern if macros...

2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md: Add comments with the instructions emitted
	by an insn pattern if macros are used.

From-SVN: r113071

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f8968eaa2a10a9a0e4865b82a1715d8cdd213cf8..5ab45848029927bb440fdefbb5e67f159b0dca07 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.md: Add comments with the instructions emitted
+       by an insn pattern if macros are used.
+
 2006-04-19  Alan Modra  <amodra@bigpond.net.au>
 
        PR rtl-optimization/26026

diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md
index c03f8808b5555057eb1a00f51c8f653b84037594..54822da808132a75d20d46e941581223b66996e2 100644 (file)
--- a/gcc/config/s390/s390.md
+++ b/gcc/config/s390/s390.md
@@ -467,6 +467,7 @@
   "ltgfr\t%2,%0"
   [(set_attr "op_type" "RRE")])
 
+; ltr, lt, ltgr, ltg
 (define_insn "*tst<mode>_extimm"
   [(set (reg CC_REGNUM)
         (compare (match_operand:GPR 0 "nonimmediate_operand" "d,m")
@@ -479,6 +480,7 @@
    lt<g>\t%2,%0"
   [(set_attr "op_type" "RR<E>,RXY")])
 
+; ltr, lt, ltgr, ltg
 (define_insn "*tst<mode>_cconly_extimm"
   [(set (reg CC_REGNUM)
         (compare (match_operand:GPR 0 "nonimmediate_operand" "d,m")
@@ -534,6 +536,7 @@
   [(set_attr "op_type" "RS")
    (set_attr "atype"   "reg")])
 
+; ltr, ltgr
 (define_insn "*tst<mode>_cconly2"
   [(set (reg CC_REGNUM)
         (compare (match_operand:GPR 0 "register_operand" "d")
@@ -656,6 +659,7 @@
    chy\t%0,%1"
   [(set_attr "op_type" "RX,RXY")])
 
+; cr, chi, cfi, c, cy, cgr, cghi, cgfi, cg
 (define_insn "*cmp<mode>_ccs"
   [(set (reg CC_REGNUM)
         (compare (match_operand:GPR 0 "register_operand" "d,d,d,d,d")
@@ -774,6 +778,7 @@
 
 ; (DF|SF) instructions
 
+; ltxbr, ltdbr, ltebr
 (define_insn "*cmp<mode>_ccs_0"
   [(set (reg CC_REGNUM)
         (compare (match_operand:FPR 0 "register_operand" "f")
@@ -783,6 +788,7 @@
    [(set_attr "op_type" "RRE")
     (set_attr "type"  "fsimp<mode>")])
 
+; ltxr, ltdr, lter
 (define_insn "*cmp<mode>_ccs_0_ibm"
   [(set (reg CC_REGNUM)
         (compare (match_operand:FPR 0 "register_operand" "f")
@@ -792,6 +798,7 @@
    [(set_attr "op_type" "<RRe>")
     (set_attr "type"  "fsimp<mode>")])
 
+; cxbr, cdbr, cebr, cxb, cdb, ceb
 (define_insn "*cmp<mode>_ccs"
   [(set (reg CC_REGNUM)
         (compare (match_operand:FPR 0 "register_operand" "f,f")
@@ -803,6 +810,7 @@
    [(set_attr "op_type" "RRE,RXE")
     (set_attr "type"  "fsimp<mode>")])
 
+; cxr, cdr, cer, cx, cd, ce
 (define_insn "*cmp<mode>_ccs_ibm"
   [(set (reg CC_REGNUM)
         (compare (match_operand:FPR 0 "register_operand" "f,f")
@@ -2860,6 +2868,7 @@
 ; extendqi(si|di)2 instruction pattern(s).
 ;
 
+; lbr, lgbr, lb, lgb
 (define_insn "*extendqi<mode>2_extimm"
   [(set (match_operand:GPR 0 "register_operand" "=d,d")
         (sign_extend:GPR (match_operand:QI 1 "nonimmediate_operand" "d,m")))]
@@ -2869,6 +2878,7 @@
    l<g>b\t%0,%1"
   [(set_attr "op_type" "RRE,RXY")])
 
+; lb, lgb
 (define_insn "*extendqi<mode>2"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (sign_extend:GPR (match_operand:QI 1 "memory_operand" "m")))]
@@ -3020,6 +3030,7 @@
     }
 })
 
+; llhr, llcr, llghr, llgcr, llh, llc, llgh, llgc
 (define_insn "*zero_extend<HQI:mode><GPR:mode>2_extimm"
   [(set (match_operand:GPR 0 "register_operand" "=d,d")
         (zero_extend:GPR (match_operand:HQI 1 "nonimmediate_operand" "d,m")))]
@@ -3029,6 +3040,7 @@
    ll<g><hc>\t%0,%1"
   [(set_attr "op_type" "RRE,RXY")])
 
+; llgh, llgc
 (define_insn "*zero_extend<HQI:mode><GPR:mode>2"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (zero_extend:GPR (match_operand:HQI 1 "memory_operand" "m")))]
@@ -3136,6 +3148,7 @@
   DONE;
 })
 
+; cgxbr, cgdbr, cgebr, cfxbr, cfdbr, cfebr
 (define_insn "fix_trunc<FPR:mode><GPR:mode>2_ieee"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (fix:GPR (match_operand:FPR 1 "register_operand" "f")))
@@ -3234,6 +3247,7 @@
 ; float(si|di)(tf|df|sf)2 instruction pattern(s).
 ;
 
+; cxgbr, cdgbr, cegbr
 (define_insn "floatdi<mode>2"
   [(set (match_operand:FPR 0 "register_operand" "=f")
         (float:FPR (match_operand:DI 1 "register_operand" "d")))]
@@ -3242,6 +3256,7 @@
   [(set_attr "op_type" "RRE")
    (set_attr "type"    "itof" )])
 
+; cxfbr, cdfbr, cefbr
 (define_insn "floatsi<mode>2_ieee"
   [(set (match_operand:FPR 0 "register_operand" "=f")
         (float:FPR (match_operand:SI 1 "register_operand" "d")))]
@@ -3682,6 +3697,7 @@
 ; add(di|si)3 instruction pattern(s).
 ;
 
+; ar, ahi, alfi, slfi, a, ay, agr, aghi, algfi, slgfi, ag
 (define_insn "*add<mode>3"
   [(set (match_operand:GPR 0 "register_operand" "=d,d,d,d,d,d")
         (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0,0,0,0")
@@ -3697,6 +3713,7 @@
    a<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RI,RIL,RIL,RX<Y>,RXY")])
 
+; alr, alfi, slfi, al, aly, algr, algfi, slgfi, alg
 (define_insn "*add<mode>3_carry1_cc"
   [(set (reg CC_REGNUM)
         (compare (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0,0,0")
@@ -3713,6 +3730,7 @@
    al<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RIL,RIL,RX<Y>,RXY")])
 
+; alr, al, aly, algr, alg
 (define_insn "*add<mode>3_carry1_cconly"
   [(set (reg CC_REGNUM)
         (compare (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0")
@@ -3726,6 +3744,7 @@
    al<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; alr, alfi, slfi, al, aly, algr, algfi, slgfi, alg
 (define_insn "*add<mode>3_carry2_cc"
   [(set (reg CC_REGNUM)
         (compare (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0,0,0")
@@ -3742,6 +3761,7 @@
    al<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RIL,RIL,RX<Y>,RXY")])
 
+; alr, al, aly, algr, alg
 (define_insn "*add<mode>3_carry2_cconly"
   [(set (reg CC_REGNUM)
         (compare (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0")
@@ -3755,6 +3775,7 @@
    al<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; alr, alfi, slfi, al, aly, algr, algfi, slgfi, alg
 (define_insn "*add<mode>3_cc"
   [(set (reg CC_REGNUM)
         (compare (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0,0,0")
@@ -3771,6 +3792,7 @@
    al<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RIL,RIL,RX<Y>,RXY")])
 
+; alr, al, aly, algr, alg
 (define_insn "*add<mode>3_cconly"
   [(set (reg CC_REGNUM)
         (compare (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0")
@@ -3784,6 +3806,7 @@
    al<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; alr, al, aly, algr, alg
 (define_insn "*add<mode>3_cconly2"
   [(set (reg CC_REGNUM)
         (compare (match_operand:GPR 1 "nonimmediate_operand" "%0,0,0")
@@ -3796,6 +3819,7 @@
    al<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; ahi, afi, aghi, agfi
 (define_insn "*add<mode>3_imm_cc"
   [(set (reg CC_REGNUM)
         (compare (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "0,0")
@@ -3825,6 +3849,7 @@
   "TARGET_HARD_FLOAT"
   "")
 
+; axbr, adbr, aebr, axb, adb, aeb
 (define_insn "*add<mode>3"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (plus:FPR (match_operand:FPR 1 "nonimmediate_operand" "%0,0")
@@ -3837,6 +3862,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fsimp<mode>")])
 
+; axbr, adbr, aebr, axb, adb, aeb
 (define_insn "*add<mode>3_cc"
   [(set (reg CC_REGNUM)
        (compare (plus:FPR (match_operand:FPR 1 "nonimmediate_operand" "%0,0")
@@ -3851,6 +3877,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fsimp<mode>")])
 
+; axbr, adbr, aebr, axb, adb, aeb
 (define_insn "*add<mode>3_cconly"
   [(set (reg CC_REGNUM)
        (compare (plus:FPR (match_operand:FPR 1 "nonimmediate_operand" "%0,0")
@@ -3864,6 +3891,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fsimp<mode>")])
 
+; axr, adr, aer, ax, ad, ae
 (define_insn "*add<mode>3_ibm"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (plus:FPR (match_operand:FPR 1 "nonimmediate_operand" "%0,0")
@@ -4053,6 +4081,7 @@
 ; sub(di|si)3 instruction pattern(s).
 ;
 
+; sr, s, sy, sgr, sg
 (define_insn "*sub<mode>3"
   [(set (match_operand:GPR 0 "register_operand" "=d,d,d")
         (minus:GPR (match_operand:GPR 1 "register_operand" "0,0,0")
@@ -4065,6 +4094,7 @@
    s<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; slr, sl, sly, slgr, slg
 (define_insn "*sub<mode>3_borrow_cc"
   [(set (reg CC_REGNUM)
         (compare (minus:GPR (match_operand:GPR 1 "register_operand" "0,0,0")
@@ -4079,6 +4109,7 @@
    sl<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; slr, sl, sly, slgr, slg
 (define_insn "*sub<mode>3_borrow_cconly"
   [(set (reg CC_REGNUM)
         (compare (minus:GPR (match_operand:GPR 1 "register_operand" "0,0,0")
@@ -4092,6 +4123,7 @@
    sl<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; slr, sl, sly, slgr, slg
 (define_insn "*sub<mode>3_cc"
   [(set (reg CC_REGNUM)
         (compare (minus:GPR (match_operand:GPR 1 "register_operand" "0,0,0")
@@ -4106,6 +4138,7 @@
    sl<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; slr, sl, sly, slgr, slg
 (define_insn "*sub<mode>3_cc2"
   [(set (reg CC_REGNUM)
         (compare (match_operand:GPR 1 "register_operand" "0,0,0")
@@ -4119,6 +4152,7 @@
    sl<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; slr, sl, sly, slgr, slg
 (define_insn "*sub<mode>3_cconly"
   [(set (reg CC_REGNUM)
         (compare (minus:GPR (match_operand:GPR 1 "register_operand" "0,0,0")
@@ -4132,6 +4166,7 @@
    sl<y>\t%0,%2"
   [(set_attr "op_type"  "RR<E>,RX<Y>,RXY")])
 
+; slr, sl, sly, slgr, slg
 (define_insn "*sub<mode>3_cconly2"
   [(set (reg CC_REGNUM)
         (compare (match_operand:GPR 1 "register_operand" "0,0,0")
@@ -4157,6 +4192,7 @@
   "TARGET_HARD_FLOAT"
   "")
 
+; sxbr, sdbr, sebr, sxb, sdb, seb
 (define_insn "*sub<mode>3"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (minus:FPR (match_operand:FPR 1 "register_operand" "0,0")
@@ -4169,6 +4205,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fsimp<mode>")])
 
+; sxbr, sdbr, sebr, sxb, sdb, seb
 (define_insn "*sub<mode>3_cc"
   [(set (reg CC_REGNUM)
        (compare (minus:FPR (match_operand:FPR 1 "nonimmediate_operand" "0,0")
@@ -4183,6 +4220,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fsimp<mode>")])
 
+; sxbr, sdbr, sebr, sxb, sdb, seb
 (define_insn "*sub<mode>3_cconly"
   [(set (reg CC_REGNUM)
        (compare (minus:FPR (match_operand:FPR 1 "nonimmediate_operand" "0,0")
@@ -4196,6 +4234,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fsimp<mode>")])
 
+; sxr, sdr, ser, sx, sd, se
 (define_insn "*sub<mode>3_ibm"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (minus:FPR (match_operand:FPR 1 "register_operand" "0,0")
@@ -4217,6 +4256,7 @@
 ; add(di|si)cc instruction pattern(s).
 ;
 
+; alcr, alc, alcgr, alcg
 (define_insn "*add<mode>3_alc_cc"
   [(set (reg CC_REGNUM)
         (compare
@@ -4232,6 +4272,7 @@
    alc<g>\t%0,%2"
   [(set_attr "op_type"  "RRE,RXY")])
 
+; alcr, alc, alcgr, alcg
 (define_insn "*add<mode>3_alc"
   [(set (match_operand:GPR 0 "register_operand" "=d,d")
         (plus:GPR (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0")
@@ -4244,6 +4285,7 @@
    alc<g>\t%0,%2"
   [(set_attr "op_type"  "RRE,RXY")])
 
+; slbr, slb, slbgr, slbg
 (define_insn "*sub<mode>3_slb_cc"
   [(set (reg CC_REGNUM)
         (compare
@@ -4259,6 +4301,7 @@
    slb<g>\t%0,%2"
   [(set_attr "op_type"  "RRE,RXY")])
 
+; slbr, slb, slbgr, slbg
 (define_insn "*sub<mode>3_slb"
   [(set (match_operand:GPR 0 "register_operand" "=d,d")
         (minus:GPR (minus:GPR (match_operand:GPR 1 "nonimmediate_operand" "0,0")
@@ -4457,6 +4500,7 @@
   "TARGET_HARD_FLOAT"
   "")
 
+; mxbr mdbr, meebr, mxb, mxb, meeb
 (define_insn "*mul<mode>3"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (mult:FPR (match_operand:FPR 1 "nonimmediate_operand" "%0,0")
@@ -4468,6 +4512,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fmul<mode>")])
 
+; mxr, mdr, mer, mx, md, me
 (define_insn "*mul<mode>3_ibm"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (mult:FPR (match_operand:FPR 1 "nonimmediate_operand" "%0,0")
@@ -4479,6 +4524,7 @@
   [(set_attr "op_type"  "<RRe>,<RXe>")
    (set_attr "type"     "fmul<mode>")])
 
+; maxbr, madbr, maebr, maxb, madb, maeb
 (define_insn "*fmadd<mode>"
   [(set (match_operand:DSF 0 "register_operand" "=f,f")
        (plus:DSF (mult:DSF (match_operand:DSF 1 "register_operand" "%f,f")
@@ -4491,6 +4537,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fmul<mode>")])
 
+; msxbr, msdbr, msebr, msxb, msdb, mseb
 (define_insn "*fmsub<mode>"
   [(set (match_operand:DSF 0 "register_operand" "=f,f")
        (minus:DSF (mult:DSF (match_operand:DSF 1 "register_operand" "f,f")
@@ -4950,6 +4997,7 @@
   "TARGET_HARD_FLOAT"
   "")
 
+; dxbr, ddbr, debr, dxb, ddb, deb
 (define_insn "*div<mode>3"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (div:FPR (match_operand:FPR 1 "register_operand" "0,0")
@@ -4961,6 +5009,7 @@
   [(set_attr "op_type"  "RRE,RXE")
    (set_attr "type"     "fdiv<mode>")])
 
+; dxr, ddr, der, dx, dd, de
 (define_insn "*div<mode>3_ibm"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
         (div:FPR (match_operand:FPR 1 "register_operand" "0,0")
@@ -5878,6 +5927,7 @@
   "lcgfr\t%0,%1"
   [(set_attr "op_type"  "RRE")])
 
+; lcr, lcgr
 (define_insn "*neg<mode>2_cc"
   [(set (reg CC_REGNUM)
         (compare (neg:GPR (match_operand:GPR 1 "register_operand" "d"))
@@ -5887,7 +5937,8 @@
   "s390_match_ccmode (insn, CCAmode)"
   "lc<g>r\t%0,%1"
   [(set_attr "op_type"  "RR<E>")])
-  
+
+; lcr, lcgr
 (define_insn "*neg<mode>2_cconly"
   [(set (reg CC_REGNUM)
         (compare (neg:GPR (match_operand:GPR 1 "register_operand" "d"))
@@ -5896,7 +5947,8 @@
   "s390_match_ccmode (insn, CCAmode)"
   "lc<g>r\t%0,%1"
   [(set_attr "op_type"  "RR<E>")])
-  
+
+; lcr, lcgr
 (define_insn "*neg<mode>2"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (neg:GPR (match_operand:GPR 1 "register_operand" "d")))
@@ -5945,6 +5997,7 @@
   "TARGET_HARD_FLOAT"
   "")
 
+; lcxbr, lcdbr, lcebr
 (define_insn "*neg<mode>2_cc"
   [(set (reg CC_REGNUM)
         (compare (neg:FPR (match_operand:FPR 1 "register_operand" "f"))
@@ -5955,7 +6008,8 @@
   "lc<xde>br\t%0,%1"
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
-  
+
+; lcxbr, lcdbr, lcebr
 (define_insn "*neg<mode>2_cconly"
   [(set (reg CC_REGNUM)
         (compare (neg:FPR (match_operand:FPR 1 "register_operand" "f"))
@@ -5965,7 +6019,8 @@
   "lc<xde>br\t%0,%1"
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
-  
+
+; lcxbr, lcdbr, lcebr
 (define_insn "*neg<mode>2"
   [(set (match_operand:FPR 0 "register_operand" "=f")
         (neg:FPR (match_operand:FPR 1 "register_operand" "f")))
@@ -5975,6 +6030,7 @@
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
 
+; lcxr, lcdr, lcer
 (define_insn "*neg<mode>2_ibm"
   [(set (match_operand:FPR 0 "register_operand" "=f")
         (neg:FPR (match_operand:FPR 1 "register_operand" "f")))
@@ -6013,6 +6069,7 @@
   "lpgfr\t%0,%1"
   [(set_attr "op_type"  "RRE")])
 
+; lpr, lpgr
 (define_insn "*abs<mode>2_cc"
   [(set (reg CC_REGNUM)
         (compare (abs:GPR (match_operand:DI 1 "register_operand" "d"))
@@ -6022,7 +6079,8 @@
   "s390_match_ccmode (insn, CCAmode)"
   "lp<g>r\t%0,%1"
   [(set_attr "op_type"  "RR<E>")])
-  
+
+; lpr, lpgr  
 (define_insn "*abs<mode>2_cconly"
   [(set (reg CC_REGNUM)
         (compare (abs:GPR (match_operand:GPR 1 "register_operand" "d"))
@@ -6031,7 +6089,8 @@
   "s390_match_ccmode (insn, CCAmode)"
   "lp<g>r\t%0,%1"
   [(set_attr "op_type"  "RR<E>")])
-  
+
+; lpr, lpgr
 (define_insn "abs<mode>2"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (abs:GPR (match_operand:GPR 1 "register_operand" "d")))
@@ -6052,6 +6111,7 @@
   "TARGET_HARD_FLOAT"
   "")
 
+; lpxbr, lpdbr, lpebr
 (define_insn "*abs<mode>2_cc"
   [(set (reg CC_REGNUM)
         (compare (abs:FPR (match_operand:FPR 1 "register_operand" "f"))
@@ -6062,7 +6122,8 @@
   "lp<xde>br\t%0,%1"
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
-  
+
+; lpxbr, lpdbr, lpebr
 (define_insn "*abs<mode>2_cconly"
   [(set (reg CC_REGNUM)
         (compare (abs:FPR (match_operand:FPR 1 "register_operand" "f"))
@@ -6072,7 +6133,8 @@
   "lp<xde>br\t%0,%1"
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
-  
+
+; lpxbr, lpdbr, lpebr
 (define_insn "*abs<mode>2"
   [(set (match_operand:FPR 0 "register_operand" "=f")
         (abs:FPR (match_operand:FPR 1 "register_operand" "f")))
@@ -6082,6 +6144,7 @@
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
 
+; lpxr, lpdr, lper
 (define_insn "*abs<mode>2_ibm"
   [(set (match_operand:FPR 0 "register_operand" "=f")
         (abs:FPR (match_operand:FPR 1 "register_operand" "f")))
@@ -6120,6 +6183,7 @@
   "lngfr\t%0,%1"
   [(set_attr "op_type" "RRE")])
 
+; lnr, lngr
 (define_insn "*negabs<mode>2_cc"
   [(set (reg CC_REGNUM)
         (compare (neg:GPR (abs:GPR (match_operand:GPR 1 "register_operand" "d")))
@@ -6129,7 +6193,8 @@
   "s390_match_ccmode (insn, CCAmode)"
   "ln<g>r\t%0,%1"
   [(set_attr "op_type"  "RR<E>")])
-  
+
+; lnr, lngr
 (define_insn "*negabs<mode>2_cconly"
   [(set (reg CC_REGNUM)
         (compare (neg:GPR (abs:GPR (match_operand:GPR 1 "register_operand" "d")))
@@ -6138,7 +6203,8 @@
   "s390_match_ccmode (insn, CCAmode)"
   "ln<g>r\t%0,%1"
   [(set_attr "op_type"  "RR<E>")])
-  
+
+; lnr, lngr
 (define_insn "*negabs<mode>2"
   [(set (match_operand:GPR 0 "register_operand" "=d")
        (neg:GPR (abs:GPR (match_operand:GPR 1 "register_operand" "d"))))
@@ -6151,6 +6217,7 @@
 ; Floating point
 ;
 
+; lnxbr, lndbr, lnebr
 (define_insn "*negabs<mode>2_cc"
   [(set (reg CC_REGNUM)
         (compare (neg:FPR (abs:FPR (match_operand:FPR 1 "register_operand" "f")))
@@ -6161,7 +6228,8 @@
   "ln<xde>br\t%0,%1"
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
-  
+
+; lnxbr, lndbr, lnebr
 (define_insn "*negabs<mode>2_cconly"
   [(set (reg CC_REGNUM)
         (compare (neg:FPR (abs:FPR (match_operand:FPR 1 "register_operand" "f")))
@@ -6171,7 +6239,8 @@
   "ln<xde>br\t%0,%1"
   [(set_attr "op_type"  "RRE")
    (set_attr "type"     "fsimp<mode>")])
-  
+
+; lnxbr, lndbr, lnebr
 (define_insn "*negabs<mode>2"
   [(set (match_operand:FPR 0 "register_operand" "=f")
         (neg:FPR (abs:FPR (match_operand:FPR 1 "register_operand" "f"))))
@@ -6189,6 +6258,7 @@
 ; sqrt(df|sf)2 instruction pattern(s).
 ;
 
+; sqxbr, sqdbr, sqebr, sqxb, sqdb, sqeb
 (define_insn "sqrt<mode>2"
   [(set (match_operand:FPR 0 "register_operand" "=f,f")
        (sqrt:FPR (match_operand:FPR 1 "general_operand" "f,<Rf>")))]
@@ -6269,6 +6339,7 @@
 ; rotl(di|si)3 instruction pattern(s).
 ;
 
+; rll, rllg
 (define_insn "rotl<mode>3"
   [(set (match_operand:GPR 0 "register_operand" "=d")
        (rotate:GPR (match_operand:GPR 1 "register_operand" "d")
@@ -6278,6 +6349,7 @@
   [(set_attr "op_type"  "RSE")
    (set_attr "atype"    "reg")])
 
+; rll, rllg
 (define_insn "*rotl<mode>3_and"
   [(set (match_operand:GPR 0 "register_operand" "=d")
        (rotate:GPR (match_operand:GPR 1 "register_operand" "d")
@@ -6304,6 +6376,7 @@
   ""
   "")
 
+; sldl, srdl
 (define_insn "*<shift>di3_31"
   [(set (match_operand:DI 0 "register_operand" "=d")
         (SHIFT:DI (match_operand:DI 1 "register_operand" "0")
@@ -6313,6 +6386,7 @@
   [(set_attr "op_type"  "RS")
    (set_attr "atype"    "reg")])
 
+; sll, srl, sllg, srlg
 (define_insn "*<shift><mode>3"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (SHIFT:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -6322,6 +6396,7 @@
   [(set_attr "op_type"  "RS<E>")
    (set_attr "atype"    "reg")])
 
+; sldl, srdl
 (define_insn "*<shift>di3_31_and"
   [(set (match_operand:DI 0 "register_operand" "=d")
         (SHIFT:DI (match_operand:DI 1 "register_operand" "0")
@@ -6332,6 +6407,7 @@
   [(set_attr "op_type"  "RS")
    (set_attr "atype"    "reg")])
 
+; sll, srl, sllg, srlg
 (define_insn "*<shift><mode>3_and"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (SHIFT:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -6388,6 +6464,7 @@
   [(set_attr "op_type"  "RS")
    (set_attr "atype"    "reg")])
 
+; sra, srag
 (define_insn "*ashr<mode>3_cc"
   [(set (reg CC_REGNUM)
         (compare (ashiftrt:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -6400,6 +6477,7 @@
   [(set_attr "op_type"  "RS<E>")
    (set_attr "atype"    "reg")])
 
+; sra, srag
 (define_insn "*ashr<mode>3_cconly"
   [(set (reg CC_REGNUM)
         (compare (ashiftrt:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -6411,6 +6489,7 @@
   [(set_attr "op_type"  "RS<E>")
    (set_attr "atype"    "reg")])
 
+; sra, srag
 (define_insn "*ashr<mode>3"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (ashiftrt:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -6462,6 +6541,7 @@
   [(set_attr "op_type"  "RS")
    (set_attr "atype"    "reg")])
 
+; sra, srag
 (define_insn "*ashr<mode>3_cc_and"
   [(set (reg CC_REGNUM)
         (compare (ashiftrt:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -6475,6 +6555,7 @@
   [(set_attr "op_type"  "RS<E>")
    (set_attr "atype"    "reg")])
 
+; sra, srag
 (define_insn "*ashr<mode>3_cconly_and"
   [(set (reg CC_REGNUM)
         (compare (ashiftrt:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -6487,6 +6568,7 @@
   [(set_attr "op_type"  "RS<E>")
    (set_attr "atype"    "reg")])
 
+; sra, srag
 (define_insn "*ashr<mode>3_and"
   [(set (match_operand:GPR 0 "register_operand" "=d")
         (ashiftrt:GPR (match_operand:GPR 1 "register_operand" "<d0>")
@@ -7376,6 +7458,7 @@
   s390_compare_emitted = operands[4];
 })
 
+; cds, cdsg
 (define_insn "*sync_compare_and_swap<mode>"
   [(set (match_operand:DP 0 "register_operand" "=r")
        (match_operand:DP 1 "memory_operand" "+Q"))
@@ -7392,6 +7475,7 @@
   [(set_attr "op_type" "RS<TE>")
    (set_attr "type"   "sem")])
 
+; cs, csg
 (define_insn "*sync_compare_and_swap<mode>"
   [(set (match_operand:GPR 0 "register_operand" "=r")
        (match_operand:GPR 1 "memory_operand" "+Q"))