https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127045
--- Comment #8 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <[email protected]>: https://gcc.gnu.org/g:72cedd48e12af8cd500622b487de4354d61aeb24 commit r17-3621-g72cedd48e12af8cd500622b487de4354d61aeb24 Author: H.J. Lu <[email protected]> Date: Tue Aug 25 06:12:25 2026 +0800 x86: Remove *fix_trunc<mode>si_sse_[2_]zext Remove *fix_trunc<mode>si_sse_zext and *fix_trunc<mode>si_sse_2_zext since they do not zero-extend SImode to DImode, as CVTTSD2SI does IF 64-Bit Mode and OperandSize = 64 THEN DEST[63:0] := Convert_Double_Precision_Floating_Point_To_Integer_Truncate(SRC[63:0]); ELSE DEST[31:0] := Convert_Double_Precision_Floating_Point_To_Integer_Truncate(SRC[63:0]); FI; and CVTTSS2SI does IF 64-Bit Mode and OperandSize = 64 THEN DEST[63:0] := Convert_Single_Precision_Floating_Point_To_Integer_Truncate(SRC[31:0]); ELSE DEST[31:0] := Convert_Single_Precision_Floating_Point_To_Integer_Truncate(SRC[31:0]); FI; gcc/ PR target/127045 * config/i386/i386.md (*fix_trunc<mode>si_sse_zext): Removed. (*fix_trunc<mode>si_sse_2_zext): Likewise. gcc/testsuite/ PR target/127045 * gcc.target/i386/pr127045.c: New test. * gcc.target/i386/zext-sse-1.c (func1): Adjust expected codegen. (func2): Likewise. * gcc.target/i386/zext-sse-2.c (func1): Likewise. (func2): Likewise. Signed-off-by: H.J. Lu <[email protected]>
