From 3b1bf459a3d09dd633df8e4d4af1b813709a021b Mon Sep 17 00:00:00 2001 From: Bernd Schmidt Date: Wed, 28 Feb 2007 00:37:09 +0000 Subject: [PATCH] calls.c (emit_library_call_value_1): Handle partial registers correctly when building up CALL_INSN_FUNCTION_USAGE. * calls.c (emit_library_call_value_1): Handle partial registers correctly when building up CALL_INSN_FUNCTION_USAGE. From-SVN: r122396 --- gcc/ChangeLog | 5 +++++ gcc/calls.c | 13 ++++++++++++- 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 888ac2e61941..a8f41702d313 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-02-28 Bernd Schmidt + + * calls.c (emit_library_call_value_1): Handle partial registers + correctly when building up CALL_INSN_FUNCTION_USAGE. + 2007-02-27 John David Anglin * pa/predicates.md (move_src_operand): Allow zero for mode. diff --git a/gcc/calls.c b/gcc/calls.c index d9ba08c0ddb2..8723e1f4fae8 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -3774,7 +3774,18 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value, if (reg != 0 && GET_CODE (reg) == PARALLEL) use_group_regs (&call_fusage, reg); else if (reg != 0) - use_reg (&call_fusage, reg); + { + int partial = argvec[count].partial; + if (partial) + { + int nregs; + gcc_assert (partial % UNITS_PER_WORD == 0); + nregs = partial / UNITS_PER_WORD; + use_regs (&call_fusage, REGNO (reg), nregs); + } + else + use_reg (&call_fusage, reg); + } } /* Pass the function the address in which to return a structure value. */ -- 2.47.2