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TheRock/debug-tools/rocgdb/source/sim/testsuite/sh/fdiv.s
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92 lines
1.5 KiB
ArmAsm

# sh testcase for fdiv
# mach: sh
# as(sh): -defsym sim_cpu=0
.include "testutils.inc"
start
fdiv_single:
# Single test
set_grs_a5a5
set_fprs_a5a5
single_prec
# 1.0 / 0.0 should be INF
# (and not crash the sim).
fldi0 fr0
fldi1 fr1
fdiv fr0, fr1
assert_fpreg_x 0x7f800000, fr1
# 0.0 / 1.0 == 0.0.
fldi0 fr0
fldi1 fr1
fdiv fr1, fr0
assert_fpreg_x 0, fr0
# 2.0 / 1.0 == 2.0.
fldi1 fr1
fldi1 fr2
fadd fr2, fr2
fdiv fr1, fr2
assert_fpreg_i 2, fr2
# (1.0 / 2.0) + (1.0 / 2.0) == 1.0.
fldi1 fr1
fldi1 fr2
fadd fr2, fr2
fdiv fr2, fr1
# fr1 should contain 0.5.
fadd fr1, fr1
assert_fpreg_i 1, fr1
test_grs_a5a5
assert_fpreg_i 2, fr2
test_fpr_a5a5 fr3
test_fpr_a5a5 fr4
test_fpr_a5a5 fr5
test_fpr_a5a5 fr6
test_fpr_a5a5 fr7
test_fpr_a5a5 fr8
test_fpr_a5a5 fr9
test_fpr_a5a5 fr10
test_fpr_a5a5 fr11
test_fpr_a5a5 fr12
test_fpr_a5a5 fr13
test_fpr_a5a5 fr14
test_fpr_a5a5 fr15
fdiv_double:
# Double test
set_grs_a5a5
set_fprs_a5a5
# (1.0 / 2.0) + (1.0 / 2.0) == 1.0.
fldi1 fr1
fldi1 fr2
# This add must be in single precision. The rest must be in double.
fadd fr2, fr2
double_prec
_s2d fr1, dr0
_s2d fr2, dr2
fdiv dr2, dr0
# dr0 should contain 0.5.
# double it, expect 1.0.
fadd dr0, dr0
assert_dpreg_i 1, dr0
assert_dpreg_i 2, dr2
test_grs_a5a5
test_fpr_a5a5 fr4
test_fpr_a5a5 fr5
test_fpr_a5a5 fr6
test_fpr_a5a5 fr7
test_fpr_a5a5 fr8
test_fpr_a5a5 fr9
test_fpr_a5a5 fr10
test_fpr_a5a5 fr11
test_fpr_a5a5 fr12
test_fpr_a5a5 fr13
test_fpr_a5a5 fr14
test_fpr_a5a5 fr15
pass
exit 0