diff options
| author | Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com> | 2017-02-04 00:17:16 -0200 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-02-07 13:13:28 +0000 |
| commit | 282686eeb729be6f7e52cccffca23e1fb6c46b93 (patch) | |
| tree | f0ce5632e982df8e618c40f00bd4d7ebbefc456a /ppc64.risu | |
| parent | 4bc854b249d9375771a07e4f1f45618b2779a58e (diff) | |
risu_ppc64le: improve xsrqpi[x] and xsrqpxp instructions
New constraint added to the referred instructions in order to avoid
generation of reserved (not used today) rounding modes for floating
point operations.
Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
Message-id: 1486174642-14883-2-git-send-email-joserz@linux.vnet.ibm.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'ppc64.risu')
| -rw-r--r-- | ppc64.risu | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -3019,12 +3019,15 @@ XSREDP PPC64LE 111100 t:5 00000 b:5 00101 1010 bx:1 tx:1 XSRESP PPC64LE 111100 t:5 00000 b:5 00001 1010 bx:1 tx:1 # format:Z23 book:I page:636 v3.0 xsrqpi[x] VSX Scalar Round QP to Integral -XSRQPI PPC64LE 111111 vrt:5 0000 r:1 vrb:5 rmc:2 000001010 +XSRQPI PPC64LE 111111 vrt:5 0000 r:1 vrb:5 rmc:2 000001010 \ +!constraints { ($r == 0 && ($rmc != 1 && $rmc != 2)) || $r == 1; } # format:Z23 book:I page:636 v3.0 xsrqpi[x] VSX Scalar Round QP to Integral -XSRQPIx PPC64LE 111111 vrt:5 0000 r:1 vrb:5 rmc:2 000001011 +XSRQPIx PPC64LE 111111 vrt:5 0000 r:1 vrb:5 rmc:2 000001011 \ +!constraints { ($r == 0 && ($rmc != 1 && $rmc != 2)) || $r == 1; } # format:Z23 book:I page:638 v3.0 xsrqpxp VSX Scalar Round QP to XP -XSRQPXP PPC64LE 111111 vrt:5 0000 r:1 vrb:5 rmc:2 001001010 +XSRQPXP PPC64LE 111111 vrt:5 0000 r:1 vrb:5 rmc:2 001001010 \ +!constraints { ($r == 0 && ($rmc != 1 && $rmc != 2)) || $r == 1; } # format:XX2 book:I page:640 v2.07 xsrsp VSX Scalar Round DP to SP XSRSP PPC64LE 111100 t:5 00000 b:5 10001 1001 bx:1 tx:1 |