From ac9a91a77ce5ce484bf8f62582292ef1f5b4dcf3 Mon Sep 17 00:00:00 2001 From: Jason Molenda Date: Tue, 1 Jun 1999 15:44:41 +0000 Subject: import gdb-1999-06-01 snapshot --- sim/d30v/ChangeLog | 5 +++++ sim/d30v/d30v-insns | 9 +++++++-- 2 files changed, 12 insertions(+), 2 deletions(-) (limited to 'sim') diff --git a/sim/d30v/ChangeLog b/sim/d30v/ChangeLog index 19e2a19..fbaf934 100644 --- a/sim/d30v/ChangeLog +++ b/sim/d30v/ChangeLog @@ -1,3 +1,8 @@ +1999-05-27 Michael Meissner + + * d30v-insns (do_repeat): Print a warning if a REPEAT or REPEATI + instruction loop is too small. + 1999-05-08 Felix Lee * configure: Regenerated to track ../common/aclocal.m4 changes. diff --git a/sim/d30v/d30v-insns b/sim/d30v/d30v-insns index 5b34e80..f37138f 100644 --- a/sim/d30v/d30v-insns +++ b/sim/d30v/d30v-insns @@ -1614,13 +1614,18 @@ _BRA,01000,00,6.**,6.**,6.**:BRA:short:mu:REIT // REPEAT void::function::do_repeat:unsigned32 count, address_word pcaddr + address_word rpt_s = cia + 8; + address_word rpt_e = cia + pcaddr; + if (count == 0) sim_engine_abort (SD, CPU, cia, "REPEAT with ra=0 and REPEATI with imm = 0 is forbidden."); if (count > 1) PSW_SET_QUEUE (PSW_RP, 1); + if (rpt_e < rpt_s + 0x18) + sim_io_eprintf (sd, "warning: 0x%lx: REPEAT or REPEATI loop is too small\n", cia); WRITE32_QUEUE (&RPT_C, count - 1); - WRITE32_QUEUE (&RPT_S, cia + 8); - WRITE32_QUEUE (&RPT_E, cia + pcaddr); + WRITE32_QUEUE (&RPT_S, rpt_s); + WRITE32_QUEUE (&RPT_E, rpt_e); _BRA,11000,00,6.RA,6.**,6.RC:BRA:short:mu:REPEAT "repeat r, r" -- cgit v1.1