From: John David Anglin Date: Sat, 10 Feb 2007 19:51:40 +0000 (+0000) Subject: re PR target/30634 (FAIL: gfortran.fortran-torture/execute/intrinsic_set_exponent... X-Git-Tag: releases/gcc-4.3.0~6885 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=51823d478c136900b5877fed42e8c62811f0a415;p=thirdparty%2Fgcc.git re PR target/30634 (FAIL: gfortran.fortran-torture/execute/intrinsic_set_exponent.f90) PR target/30634 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero CONST_DOUBLE and operand 0 is a hard register. (movdi): For 64-bit target, remove code to force CONST_DOUBLE to memory. Fail if operand 1 is a non-zero CONST_INT and operand 0 is a hard floating-point register. From-SVN: r121802 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 22d12f55f10d..9912fd8a0f6a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2007-02-10 John David Anglin + + PR target/30634 + * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero + CONST_DOUBLE and operand 0 is a hard register. + (movdi): For 64-bit target, remove code to force CONST_DOUBLE to + memory. Fail if operand 1 is a non-zero CONST_INT and operand 0 + is a hard floating-point register. + 2007-02-10 Richard Henderson , Jakub Jelinek , Alexandre Oliva * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md index 0adfe3f78fe3..61dbb46992e7 100644 --- a/gcc/config/pa/pa.md +++ b/gcc/config/pa/pa.md @@ -4098,8 +4098,18 @@ "" " { - if (GET_CODE (operands[1]) == CONST_DOUBLE && TARGET_64BIT) - operands[1] = force_const_mem (DFmode, operands[1]); + if (TARGET_64BIT + && GET_CODE (operands[1]) == CONST_DOUBLE + && operands[1] != CONST0_RTX (DFmode)) + { + /* We rely on reload to legitimize the insn generated after + we force the CONST_DOUBLE to memory. This doesn't happen + if OPERANDS[0] is a hard register. */ + if (REG_P (operands[0]) && HARD_REGISTER_P (operands[0])) + FAIL; + + operands[1] = force_const_mem (DFmode, operands[1]); + } if (emit_move_sequence (operands, DFmode, 0)) DONE; @@ -4358,8 +4368,17 @@ "" " { - if (GET_CODE (operands[1]) == CONST_DOUBLE && TARGET_64BIT) - operands[1] = force_const_mem (DImode, operands[1]); + /* Except for zero, we don't support loading a CONST_INT directly + to a hard floating-point register since a scratch register is + needed for the operation. While the operation could be handled + before no_new_pseudos is true, the simplest solution is to fail. */ + if (TARGET_64BIT + && GET_CODE (operands[1]) == CONST_INT + && operands[1] != CONST0_RTX (DImode) + && REG_P (operands[0]) + && HARD_REGISTER_P (operands[0]) + && REGNO (operands[0]) >= 32) + FAIL; if (emit_move_sequence (operands, DImode, 0)) DONE;