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target/arm: Use FPST_F16 for SME FMOPA (widening) 

This operation has float16 inputs and thus must use
the FZ16 control not the FZ control.

Cc: qemu-stable@nongnu.org
Fixes: 3916841ac7 ("target/arm: Implement FMOPA, FMOPS (widening)")
Reported-by: Daniyal Khan <danikhan632@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240717060149.204788-3-richard.henderson@linaro.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2374
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2024-07-17 16:01:48 +10:00 committed by Peter Maydell
parent 31d93fedf4
commit 207d30b5fd
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
target/arm/tcg/translate-sme.c
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@ -304,6 +304,7 @@ static bool do_outprod(DisasContext *s, arg_op *a, MemOp esz,
}
static bool do_outprod_fpst(DisasContext *s, arg_op *a, MemOp esz,
ARMFPStatusFlavour e_fpst,
gen_helper_gvec_5_ptr *fn)
{
int svl = streaming_vec_reg_size(s);
@ -319,15 +320,18 @@ static bool do_outprod_fpst(DisasContext *s, arg_op *a, MemOp esz,
zm = vec_full_reg_ptr(s, a->zm);
pn = pred_full_reg_ptr(s, a->pn);
pm = pred_full_reg_ptr(s, a->pm);
fpst = fpstatus_ptr(FPST_FPCR);
fpst = fpstatus_ptr(e_fpst);
fn(za, zn, zm, pn, pm, fpst, tcg_constant_i32(desc));
return true;
}
TRANS_FEAT(FMOPA_h, aa64_sme, do_outprod_fpst, a, MO_32, gen_helper_sme_fmopa_h)
TRANS_FEAT(FMOPA_s, aa64_sme, do_outprod_fpst, a, MO_32, gen_helper_sme_fmopa_s)
TRANS_FEAT(FMOPA_d, aa64_sme_f64f64, do_outprod_fpst, a, MO_64, gen_helper_sme_fmopa_d)
TRANS_FEAT(FMOPA_h, aa64_sme, do_outprod_fpst, a,
MO_32, FPST_FPCR_F16, gen_helper_sme_fmopa_h)
TRANS_FEAT(FMOPA_s, aa64_sme, do_outprod_fpst, a,
MO_32, FPST_FPCR, gen_helper_sme_fmopa_s)
TRANS_FEAT(FMOPA_d, aa64_sme_f64f64, do_outprod_fpst, a,
MO_64, FPST_FPCR, gen_helper_sme_fmopa_d)
/* TODO: FEAT_EBF16 */
TRANS_FEAT(BFMOPA, aa64_sme, do_outprod, a, MO_32, gen_helper_sme_bfmopa)