From: Alex Bennée Date: Tue, 4 Mar 2025 22:24:22 +0000 (+0000) Subject: tests/tcg: fix constraints in test-i386-adcox X-Git-Tag: v10.0.0-rc0~16^2~16 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=77f005f954ea3cd0a161618a9f6c3f9d874c5b58;p=thirdparty%2Fqemu.git tests/tcg: fix constraints in test-i386-adcox Clang complains: clang -O2 -m64 -mcx16 /home/alex/lsrc/qemu.git/tests/tcg/i386/test-i386-adcox.c -o test-i386-adcox -static /home/alex/lsrc/qemu.git/tests/tcg/i386/test-i386-adcox.c:32:26: error: invalid input constraint '0' in asm : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox)); ^ /home/alex/lsrc/qemu.git/tests/tcg/i386/test-i386-adcox.c:57:26: error: invalid input constraint '0' in asm : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox)); ^ 2 errors generated. Pointing out a numbered input constraint can't point to a read/write output [1]. Convert to a read-only input constraint to allow this. [1] https://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20101101/036036.html Suggested-by: Daniel P. Berrangé Reviewed-by: Richard Henderson Signed-off-by: Alex Bennée Message-Id: <20250304222439.2035603-16-alex.bennee@linaro.org> --- diff --git a/tests/tcg/i386/test-i386-adcox.c b/tests/tcg/i386/test-i386-adcox.c index 16169efff8..a717064adb 100644 --- a/tests/tcg/i386/test-i386-adcox.c +++ b/tests/tcg/i386/test-i386-adcox.c @@ -29,7 +29,7 @@ void test_adox_adcx(uint32_t in_c, uint32_t in_o, REG adcx_operand, REG adox_ope "adcx %3, %1;" "pushf; pop %0" : "+r" (flags), "+r" (out_adcx), "+r" (out_adox) - : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox)); + : "r" ((REG) - 1), "0" (flags), "1" (out_adcx), "2" (out_adox)); assert(out_adcx == in_c + adcx_operand - 1); assert(out_adox == in_o + adox_operand - 1); @@ -53,8 +53,8 @@ void test_adcx_adox(uint32_t in_c, uint32_t in_o, REG adcx_operand, REG adox_ope "adcx %3, %1;" "adox %3, %2;" "pushf; pop %0" - : "+r" (flags), "+r" (out_adcx), "+r" (out_adox) - : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox)); + : "+r"(flags), "+r"(out_adcx), "+r"(out_adox) + : "r" ((REG)-1)); assert(out_adcx == in_c + adcx_operand - 1); assert(out_adox == in_o + adox_operand - 1);