https://bugs.exim.org/show_bug.cgi?id=2667
Bug ID: 2667
Summary: Build failure with jit on mips{32,64}r6
Product: PCRE
Version: 10.35 (PCRE2)
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: philip.ha...@gmail.com
Reporter: fontaine.fabr...@gmail.com
CC: pcre-dev@exim.org
pcre2 fails to build with jit on mips{32,64}r6 on:
In file included from src/sljit/sljitLir.c:2111,
from src/pcre2_jit_compile.c:79:
src/sljit/sljitNativeMIPS_common.c: In function 'sljit_emit_cmov':
src/sljit/sljitNativeMIPS_common.c:2211:9: error: 'MOVZ' undeclared (first use
in this function); did you mean 'MODU'?
ins = MOVZ | TA(EQUAL_FLAG);
^~~~
MODU
src/sljit/sljitNativeMIPS_common.c:2211:9: note: each undeclared identifier is
reported only once for each function it appears in
src/sljit/sljitNativeMIPS_common.c:2214:9: error: 'MOVN' undeclared (first use
in this function); did you mean 'MODU'?
ins = MOVN | TA(EQUAL_FLAG);
^~~~
MODU
src/sljit/sljitNativeMIPS_common.c:2236:9: error: 'MOVT' undeclared (first use
in this function); did you mean 'MODU'?
ins = MOVT;
^~~~
MODU
src/sljit/sljitNativeMIPS_common.c:2242:9: error: 'MOVF' undeclared (first use
in this function); did you mean 'EOF'?
ins = MOVF;
^~~~
EOF
The issue is related to https://vcs.pcre.org/pcre2?view=revision&revision=1215.
Indeed, since this commit, MOV{F,N,T,Z} are not defined if SLJIT_MIPS_REV >= 6
however they are unconditionally used in sljit_emit_cmov if SLJIT_MIPS_REV >=
1. Prior to this commit (i.e. in version 10.34), SLJIT_MIPS_R1 was never
defined so this piece of code was not compiled.
Full build log can be found here:
-
http://autobuild.buildroot.org/results/969/969f1024afcbe3fdc8050eeb7efa0dc764ad0463/build-end.log
-
http://autobuild.buildroot.org/results/544/544d76162e262490fcee4f9544320cdda471adf7/build-end.log
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