Re: [PATCH v2 0/2] arm: recognize vdupq idioms [PR124043]
Torbjörn Svensson via Sourceware Forge <[email protected]> Sat, 01 Aug 2026 16:22:04 +0000
| Newsgroups | gmane.comp.gcc.patches |
|---|---|
| Message-ID | <bmm.hkxxx9g6ps.gcc.gcc.azoff.208.7038.CMT@forge-stage.sourceware.org> |
I took v2 for a spin and the crypto tests are changed from XFAIL -> PASS, but there are the following regressions for -mfloat-abi=soft: -PASS: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\td[0-9]+, r[0-9]+ 2 -PASS: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\tq[0-9]+, r[0-9]+ 2 -PASS: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\td[0-9]+, d[0-9]+\\[1\\] 1 -PASS: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\tq[0-9]+, d[0-9]+\\[1\\] 1 +FAIL: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\td[0-9]+, r[0-9]+ 2 +FAIL: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\tq[0-9]+, r[0-9]+ 2 +FAIL: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\td[0-9]+, d[0-9]+\\[1\\] 1 +FAIL: gcc.target/arm/armv8_2-fp16-neon-1.c scan-assembler-times vdup\\.16\\tq[0-9]+, d[0-9]+\\[1\\] 1 -PASS: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\td[0-9]+, r[0-9]+ 3 -PASS: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\tq[0-9]+, r[0-9]+ 2 -PASS: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\td[0-9]+, d[0-9]+\\[1\\] 1 -PASS: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\tq[0-9]+, d[0-9]+\\[1\\] 1 +FAIL: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\td[0-9]+, r[0-9]+ 3 +FAIL: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\tq[0-9]+, r[0-9]+ 2 +FAIL: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\td[0-9]+, d[0-9]+\\[1\\] 1 +FAIL: gcc.target/arm/armv8_2-fp16-neon-2.c scan-assembler-times vdup\\.16\\tq[0-9]+, d[0-9]+\\[1\\] 1 I have not looked into why they are failing, but they are failing for all the targets that I do test. Example target where the fail is visible: `thumb/arch=armv6s-m/cpu=cortex-m0/float-abi=soft/fpu=auto` -- https://forge.sourceware.org/gcc/gcc/pulls/208#issuecomment-7038