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rs6000.c (rs6000_emit_minmax): Treat unsigned max/mins as unsigned GE compares.

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2002-06-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_minmax): Treat unsigned
        max/mins as unsigned GE compares.

From-SVN: r54539
This commit is contained in:
Aldy Hernandez 2002-06-12 00:27:03 +00:00 • committed by Aldy Hernandez
parent 169274cd2e
commit 5dc8d53616
2 changed files with 14 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-06-11 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.c (rs6000_emit_minmax): Treat unsigned
max/mins as unsigned GE compares.
2002-06-11 Jason Thorpe <thorpej@wasabisystems.com>
* config.gcc (vax-*-bsd*): Add vax/bsd.h to ${tm_file}.

11
gcc/config/rs6000/rs6000.c
View file

@ -7534,12 +7534,19 @@ rs6000_emit_minmax (dest, code, op0, op1)
rtx op1;
{
enum machine_mode mode = GET_MODE (op0);
enum rtx_code c;
rtx target;
if (code == SMAX || code == SMIN)
c = GE;
else
c = GEU;
if (code == SMAX || code == UMAX)
target = emit_conditional_move (dest, GE, op0, op1, mode,
target = emit_conditional_move (dest, c, op0, op1, mode,
op0, op1, mode, 0);
else
target = emit_conditional_move (dest, GE, op0, op1, mode,
target = emit_conditional_move (dest, c, op0, op1, mode,
op1, op0, mode, 0);
if (target == NULL_RTX)
abort ();