| Message ID | 20260716162407.7106-2-karl.meakin@arm.com |
|---|---|
| State | Accepted |
| Delegated to: | Wilco Dijkstra |
| Headers |
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aarch64: FEAT_SME_MOP4 support
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Commit Message
Karl Meakin
July 16, 2026, 4:24 p.m. UTC
The comments for the "w", "x" and "y" register constraints in gcc/config/aarch64/constraints.md were misleading. They apply to SVE registers as well as Advanced SIMD and FP registers. gcc/ChangeLog: * config/aarch64/constraints.md: Fix comments. --- gcc/config/aarch64/constraints.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/gcc/config/aarch64/constraints.md b/gcc/config/aarch64/constraints.md index 847739e3270..99fa24c2a30 100644 --- a/gcc/config/aarch64/constraints.md +++ b/gcc/config/aarch64/constraints.md @@ -40,20 +40,20 @@ (define_register_constraint "Ucr" veneer.") (define_register_constraint "w" "FP_REGS" - "Floating point and SIMD vector registers.") + "SVE/AdvSIMD/FP registers, V0 - V31.") (define_register_constraint "x" "FP_LO_REGS" - "Floating point and SIMD vector registers V0 - V15.") + "SVE/AdvSIMD/FP registers, V0 - V15.") (define_register_constraint "y" "FP_LO8_REGS" - "Floating point and SIMD vector registers V0 - V7.") + "SVE/AdvSIMD/FP registers, V0 - V7.") (define_register_constraint "Uw2" "FP_REGS" - "Even floating point and SIMD vector registers." + "Even SVE/AdvSIMD/FP registers, V0, V2, ..., V30." "regno % 2 == 0") (define_register_constraint "Uw4" "FP_REGS" - "4-tuple-aligned floating point and SIMD vector registers." + "4-tuple-aligned SVE/AdvSIMD/FP registers, V0, V4, ..., V28." "regno % 4 == 0") (define_register_constraint "Uwd" "FP_REGS"