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Add REG_MAYBE_DEAD note to frame pointer initialisation instruction.

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From-SVN: r48912
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Nick Clifton 2002-01-16 16:37:20 +00:00 committed by Nick Clifton
parent e1886ae0ba
commit 2e99323f30
2 changed files with 11 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2002-01-16 Nick Clifton <nickc@cambridge.redhat.com>
* config/arm/arm.c (arm_expand_prologue): Add REG_MAYBE_DEAD note
to frame pointer initialisation instruction.
(thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer
initialisation instruction.
2002-01-16 Jakub Jelinek <jakub@redhat.com> 2002-01-16 Jakub Jelinek <jakub@redhat.com>
PR target/5357: PR target/5357:

5
gcc/config/arm/arm.c
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@ -8344,7 +8344,10 @@ arm_expand_prologue ()
} }
insn = gen_rtx_SET (SImode, ip_rtx, insn); insn = gen_rtx_SET (SImode, ip_rtx, insn);
(void) emit_insn (insn); insn = emit_insn (insn);
/* Add a reg note to stop propogate_one_insn() from barfing. */
REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_MAYBE_DEAD, ip_rtx,
REG_NOTES (insn));
} }
} }