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2004-07-25 David Edelsohn <edelsohn@gnu.org>
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PR target/16239
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* config/rs6000/rs6000.md (movdi_internal64): Further disparage
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f->f.
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2002-11-06 David Edelsohn <edelsohn@gnu.org>
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PR target/8480, optimization/8328
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* config/rs6000/rs6000.md (movdi_internal64): Discourage
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FPR to FPR moves.
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2004-12-22 Ben Elliston <bje@au.ibm.com>
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PR optimization/8328
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* gcc.dg/pr8328.c: New test.
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--- gcc/config/rs6000/rs6000.md 16 Jul 2003 11:40:06 -0000
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+++ gcc/config/rs6000/rs6000.md 22 Dec 2004 08:31:18 -0000
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@@ -8749,7 +8749,7 @@
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}")
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(define_insn "*movdi_internal64"
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- [(set (match_operand:DI 0 "nonimmediate_operand" "=r,r,m,r,r,r,r,f,f,m,r,*h,*h")
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+ [(set (match_operand:DI 0 "nonimmediate_operand" "=r,r,m,r,r,r,r,??f,f,m,r,*h,*h")
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(match_operand:DI 1 "input_operand" "r,m,r,I,L,nF,R,f,m,f,*h,r,0"))]
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"TARGET_POWERPC64
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&& (gpc_reg_operand (operands[0], DImode)
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--- gcc/testsuite/gcc.dg/pr8328.c 1 Jan 1970 00:00:00 -0000
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+++ gcc/testsuite/gcc.dg/pr8328.c 22 Dec 2004 08:31:18 -0000
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@@ -0,0 +1,117 @@
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+/* { dg-do compile { target powerpc64-*-linux* } } */
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+/* { dg-options "-O3" } */
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+
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+/* This test case comes from the original PR. */
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+
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+struct list
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+{
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+ unsigned short type;
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+ unsigned int len;
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+ void *data;
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+ short *ind;
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+};
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+
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+extern int foo (int *);
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+extern int bar (void);
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+extern int qwe (struct list *);
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+extern long check (int *);
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+extern void display (int *);
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+extern void trace (int *);
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+
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+int
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+myfunc (int *opts, char *str)
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+{
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+ short num;
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+ int loc;
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+ int start;
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+ int len;
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+ int code;
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+ int rc = 0;
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+
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+ if (code && (rc = check (opts)))
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+ goto exit;
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+
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+ foo (&code);
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+ {
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+ struct list mylist[1];
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+ mylist[0].type = 960;
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+ mylist[0].len = 4;
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+ mylist[0].data = (void *) &loc;
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+ mylist[0].ind = 0L;
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+ qwe (mylist);
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+ }
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+ bar ();
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+
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+ if (code && (rc = check (opts)))
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+ goto exit;
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+
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+ foo (&code);
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+ bar ();
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+
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+ if (code && (rc = check (opts)))
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+ goto exit;
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+
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+ if (opts)
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+ trace (opts);
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+
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+ display (opts);
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+
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+ while (code >= 0)
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+ {
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+ foo (&code);
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+ {
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+ struct list mylist[1];
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+ mylist[0].type = 500;
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+ mylist[0].len = 2;
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+ mylist[0].data = (void *) #
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+ mylist[0].ind = 0L;
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+ qwe (mylist);
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+ }
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+ bar ();
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+ {
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+ struct list mylist[3];
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+ mylist[0].type = 960;
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+ mylist[0].len = 4;
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+ mylist[0].data = (void *) &loc;
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+ mylist[0].ind = 0L;
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+ mylist[1].type = 496;
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+ mylist[1].len = 4;
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+ mylist[1].data = (void *) &start;
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+ mylist[1].ind = 0L;
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+ mylist[2].type = 496;
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+ mylist[2].len = 4;
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+ mylist[2].data = (void *) &len;
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+ mylist[2].ind = 0L;
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+ qwe (mylist);
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+ }
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+ {
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+ struct list mylist[4];
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+ mylist[0].type = 460;
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+ mylist[0].len = 129;
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+ mylist[0].data = (void *) str;
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+ mylist[0].ind = 0L;
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+ mylist[1].type = 460;
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+ mylist[1].len = 129;
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+ mylist[1].data = (void *) str;
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+ mylist[1].ind = 0L;
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+ mylist[2].type = 460;
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+ mylist[2].len = 9;
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+ mylist[2].data = (void *) str;
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+ mylist[2].ind = 0L;
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+ mylist[3].type = 500;
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+ mylist[3].len = 2;
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+ mylist[3].data = (void *) str;
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+ mylist[3].ind = 0L;
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+ qwe (mylist);
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+ }
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+ }
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+
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+ exit:
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+ {
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+ struct list mylist[1];
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+ mylist[0].data = (void *) &loc;
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+ mylist[0].ind = 0L;
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+ qwe (mylist);
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+ }
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+ return (rc);
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+}
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