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From: Alan Modra <amodra@bigpond.net.au>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
Subject: Re: target/7282: powerpc64 SImode in FPR
Date: Sat, 13 Jul 2002 04:36:00 -0000 [thread overview]
Message-ID: <20020713113601.16863.qmail@sources.redhat.com> (raw)
The following reply was made to PR target/7282; it has been noted by GNATS.
From: Alan Modra <amodra@bigpond.net.au>
To: gcc-gnats@gcc.gnu.org
Cc: gcc-patches@gcc.gnu.org, David Edelsohn <dje@watson.ibm.com>
Subject: Re: target/7282: powerpc64 SImode in FPR
Date: Sat, 13 Jul 2002 21:05:15 +0930
This cures the ICE. Thanks to dje for putting me on the right track.
gcc/ChangeLog
PR 7282
* config/rs6000/rs6000.md (floatsidf2): Enable for POWERPC64.
(floatsidf_ppc64): New insn_and_split.
Checked with gcc-3.1 i686-linux -> powerpc64-linux cross-compiler.
Bootstrapping and regresssion testing powerpc-linux mainline just to
be sure.
--
Alan Modra
IBM OzLabs - Linux Technology Centre
diff -up gcc-ppc64-31.orig/gcc/config/rs6000/rs6000.md gcc-ppc64-31/gcc/config/rs6000/rs6000.md
--- gcc-ppc64-31.orig/gcc/config/rs6000/rs6000.md 2002-07-04 19:40:32.000000000 +0930
+++ gcc-ppc64-31/gcc/config/rs6000/rs6000.md 2002-07-13 20:26:05.000000000 +0930
@@ -5271,9 +5428,18 @@
(clobber (match_dup 4))
(clobber (match_dup 5))
(clobber (match_dup 6))])]
- "! TARGET_POWERPC64 && TARGET_HARD_FLOAT"
+ "TARGET_HARD_FLOAT"
"
{
+ if (TARGET_POWERPC64)
+ {
+ rtx mem = assign_stack_temp (DImode, GET_MODE_SIZE (DImode), 0);
+ rtx t1 = gen_reg_rtx (DImode);
+ rtx t2 = gen_reg_rtx (DImode);
+ emit_insn (gen_floatsidf_ppc64 (operands[0], operands[1], mem, t1, t2));
+ DONE;
+ }
+
operands[2] = force_reg (SImode, GEN_INT (0x43300000));
operands[3] = force_reg (DFmode, rs6000_float_const (\"4503601774854144\", DFmode));
operands[4] = assign_stack_temp (DFmode, GET_MODE_SIZE (DFmode), 0);
@@ -5456,6 +5622,22 @@
"fcfid %0,%1"
[(set_attr "type" "fp")])
+(define_insn_and_split "floatsidf_ppc64"
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
+ (float:DF (match_operand:SI 1 "gpc_reg_operand" "*f")))
+ (clobber (match_operand:DI 2 "memory_operand" "=o"))
+ (clobber (match_operand:DI 3 "gpc_reg_operand" "=r"))
+ (clobber (match_operand:DI 4 "gpc_reg_operand" "=f"))]
+ "TARGET_POWERPC64 && TARGET_HARD_FLOAT"
+ "#"
+ ""
+ [(set (match_dup 3) (sign_extend:DI (match_dup 1)))
+ (set (match_dup 2) (match_dup 3))
+ (set (match_dup 4) (match_dup 2))
+ (set (match_dup 0) (float:DF (match_dup 4)))]
+ ""
+ [(set_attr "type" "fp")])
+
(define_insn "fix_truncdfdi2"
[(set (match_operand:DI 0 "gpc_reg_operand" "=*f")
(fix:DI (match_operand:DF 1 "gpc_reg_operand" "f")))]
next reply other threads:[~2002-07-13 11:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-13 4:36 Alan Modra [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-07-13 22:46 Alan Modra
2002-07-13 7:26 David Edelsohn
2002-07-12 0:16 Alan Modra
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