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Re: [PATCH,rs6000] PR79395: Fix compile error with -mcpu=power9 and -mno-vsx and __builtin_vec_cmpne_p
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Kelvin Nilsen <kdnilsen at linux dot vnet dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Segher Boessenkool <segher at gcc dot gnu dot org>
- Date: Thu, 02 Mar 2017 18:25:01 +0100
- Subject: Re: [PATCH,rs6000] PR79395: Fix compile error with -mcpu=power9 and -mno-vsx and __builtin_vec_cmpne_p
- Authentication-results: sourceware.org; auth=none
- References: <b210c36f-5f45-09ba-fb1c-a6364851eeae@linux.vnet.ibm.com>
../../gcc/config/rs6000/vector.md:721:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
UNSPEC_PREDICATE))
~~~~~~~~~^~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ne_v8hi_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:721:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
UNSPEC_PREDICATE))
~~~~~~~~~^~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ne_v16qi_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:721:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
UNSPEC_PREDICATE))
~~~~~~~~~^~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ae_v4si_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:743:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
[(match_operand:VI 1 "vlogical_operand")
~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ae_v8hi_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:743:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
[(match_operand:VI 1 "vlogical_operand")
~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ae_v16qi_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:743:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
[(match_operand:VI 1 "vlogical_operand")
~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ne_v2di_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:784:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
[(parallel
~~~~~~~~ ^
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ae_v2di_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:810:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
[(set (reg:CC CR6_REGNO)
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ne_v4sf_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:832:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
[(set (reg:CC CR6_REGNO)
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ne_v2df_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:832:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
[(set (reg:CC CR6_REGNO)
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ae_v4sf_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:857:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
(gt:VEC_A (match_dup 1)
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vector.md: In function 'rtx_def* gen_vector_ae_v2df_p(rtx, rtx, rtx)':
../../gcc/config/rs6000/vector.md:857:14: error: 'operands[3]' is used uninitialized in this function [-Werror=uninitialized]
(gt:VEC_A (match_dup 1)
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vsx.md: In function 'rtx_def* gen_vsx_tsqrtdf2_fg(rtx, rtx)':
../../gcc/config/rs6000/vsx.md:1402:14: error: 'operands[2]' is used uninitialized in this function [-Werror=uninitialized]
(set (match_operand:SI 0 "gpc_reg_operand" "")
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vsx.md: In function 'rtx_def* gen_vsx_tsqrtv4sf2_fg(rtx, rtx)':
../../gcc/config/rs6000/vsx.md:1402:14: error: 'operands[2]' is used uninitialized in this function [-Werror=uninitialized]
(set (match_operand:SI 0 "gpc_reg_operand" "")
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vsx.md: In function 'rtx_def* gen_vsx_tsqrtv2df2_fg(rtx, rtx)':
../../gcc/config/rs6000/vsx.md:1402:14: error: 'operands[2]' is used uninitialized in this function [-Werror=uninitialized]
(set (match_operand:SI 0 "gpc_reg_operand" "")
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vsx.md: In function 'rtx_def* gen_vsx_tsqrtdf2_fe(rtx, rtx)':
../../gcc/config/rs6000/vsx.md:1415:14: error: 'operands[2]' is used uninitialized in this function [-Werror=uninitialized]
"x<VSv>tsqrt<VSs> %0,%x1"
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vsx.md: In function 'rtx_def* gen_vsx_tsqrtv4sf2_fe(rtx, rtx)':
../../gcc/config/rs6000/vsx.md:1415:14: error: 'operands[2]' is used uninitialized in this function [-Werror=uninitialized]
"x<VSv>tsqrt<VSs> %0,%x1"
~~~~~~~~~^~~~~~~~~~~~~
../../gcc/config/rs6000/vsx.md: In function 'rtx_def* gen_vsx_tsqrtv2df2_fe(rtx, rtx)':
../../gcc/config/rs6000/vsx.md:1415:14: error: 'operands[2]' is used uninitialized in this function [-Werror=uninitialized]
"x<VSv>tsqrt<VSs> %0,%x1"
~~~~~~~~~^~~~~~~~~~~~~
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."