https://sourceware.org/bugzilla/show_bug.cgi?id=33889
Bug ID: 33889
Summary: Bogus error on valid (bug meaningless) assembly input
Product: binutils
Version: 2.47 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: law at redhat dot com
Target Milestone: ---
This assembly file gives an assembler error:
.file "j.c"
.option nopic
.attribute arch,
"rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_v1p0_zicond1p0_zicsr2p0_zifencei2p0_zmmul1p0_zaamo1p0_zalrsc1p0_zca1p0_zcd1p0_zba1p0_zbb1p0_zbs1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0"
.attribute unaligned_access, 0
.attribute stack_align, 16
.text
.align 1
.globl madd_fail
.type madd_fail, @function
madd_fail:
fcvt.d.s fa4,fa5,dyn
fcvt.d.s fa4,fa5,rne
.size madd_fail, .-madd_fail
.ident "GCC: (GNU) 16.0.1 20260207 (experimental)"
.section .note.GNU-stack,"",@progbits
jlaw@x11-dpi:~/test/obj/rv/gcc/gcc$ riscv64-unknown-linux-gnu-as -al j.s
j.s: Assembler messages:
j.s:11: Error: illegal operands `fcvt.d.s fa4,fa5,dyn'
j.s:12: Error: illegal operands `fcvt.d.s fa4,fa5,rne'
Now we're doign single to double conversion, so no rounding should ever be
needed, but I believe we still need to accept those instructions as they're
still valid.
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